Climate Tech Funding Tracker (1,002 deals)

Last updated: 14 September 2026
market research pitch 2026 statistics climate tech market

In our climate tech market deck, you will find everything you need to understand the market

SUMMARY

Climate Tech Funding Tracker (1,008 deals) shows a market that is genuinely large, but much less lavish for the typical company than the headline totals suggest.

The gap between headline dollars and normal fundraising is extreme. Recorded capital reaches $39.52 billion, but falls to $9.97 billion once rounds above $50 million are removed, meaning a relatively small group of scale financings drives most of the market's value.

The typical climate tech round is still a conventional venture cheque. The median is $10 million, two thirds of quantified deals are below $20 million, and only 88 financings above $100 million absorb almost two thirds of all capital.

The market is broad at the bottom and narrow at the top. We found 900 funded companies, but only 90 raised more than once during the observation period, and those repeat fundraisers captured 41.4% of all recorded capital.

Clean Energy Systems is the real centre of gravity. It represents 41.6% of deals but 59.8% of capital, reflecting how quickly funding needs escalate once companies move into factories, power systems, storage fleets, nuclear plants or fusion infrastructure.

The stage distribution exposes the same split. Seed and Series A make up 70% of classified transactions but only 23.1% of classified dollars, while the median round climbs from $3.5 million at Seed to $183.5 million at Series D+.

The hardest stretch is not getting a first cheque; it is crossing the scale-up gap. The dataset contains 265 Series A deals, 114 Series Bs and only 38 Series Cs, with Carbon Removal, Building Decarbonization and Climate Adaptation showing especially thin conventional late-stage pipelines.

Strategic investors become far more important as companies mature. Their participation rises from 19% at Seed to 69.2% at Series D+, which makes sense in a market where customers, suppliers, industrial partners and offtake agreements can matter almost as much as the financing itself.

Geography matters most when the cheque gets large. Europe produces more financings and more funded companies, but North America attracts more than twice the capital and has twice as many rounds above $50 million.

The clearest read today is that climate tech has no shortage of companies or early-stage activity. What remains scarce is the combination of technical proof, commercial traction, infrastructure readiness and investor confidence required to keep raising $50 million, $100 million or even $1 billion repeatedly.

Market map chart showing top companies and startups in the climate tech market

This market map, featured in our climate tech market deck, highlights top companies and startups in the climate tech market

Our funding tracker covering the climate tech market

Below is the table listing all the deals. You may find our methodology at the end of this page.

And, if you want to gain a deeper understanding of the market and its current dynamics, get our report covering the Climate Tech Market.

Company Category Date Stage Deal size What they do Region Lead investors
Furo Energy Clean Energy Systems September 2026 Unknown $4M Provides software for planning, dispatching and commercially optimizing battery-storage systems for businesses and energy markets. Europe TQ Ventures
Tavion Clean Energy Systems September 2026 Unknown ≈$29,800,000 Develops, owns and operates utility-scale battery-energy-storage parks across European electricity markets. Europe Leitmotif; Oberon Capital
Albatross Technology Clean Energy Systems September 2026 Unknown ≈$2,600,000 Develops floating vertical-axis wind-turbine technology for offshore renewable-power generation. Asia-Pacific Not disclosed
HVR Energy Low Carbon Mobility September 2026 Series A ≈$23,400,000 Develops and operates modular hydrogen-refuelling stations and a hydrogen mobility network in Spain. Europe Sandton
mCatalysis Industrial Climate Tech September 2026 Seed $5M Uses microwave-driven catalytic processes to convert industrial off-gases, waste plastics and biomass into low-carbon synthetic fuels. North America HL Energy Ventures; Oxford Science Enterprises
Polas Industrial Climate Tech September 2026 Seed ≈$270,000 Develops adsorption heat pumps and high-performance zeolite materials that convert low-temperature waste heat into cooling and reduce cooling electricity demand. Asia-Pacific Not disclosed
Rebaba Clean Energy Systems September 2026 Seed $4.6M Builds stationary energy-storage systems using repurposed electric-vehicle batteries. Europe SISTAFUND
Bluecore Energy Clean Energy Systems September 2026 Seed $50M Develops compact water-cooled nuclear reactors deployed on barges to provide firm power to ports and coastal infrastructure. North America Silverton Partners
CircoLife Building Decarbonization Tech September 2026 Unknown $4.5M Provides energy-efficient, IoT-managed commercial air conditioning on a subscription basis to reduce cooling electricity use and lifecycle waste. Asia-Pacific Bharat Jaisinghani
Fryte Low Carbon Mobility September 2026 Seed ≈$2,100,000 Provides software that coordinates electric-truck logistics with charging availability, route planning and charger reservations. Europe 4impact capital; Rethink Ventures
Fusionality Clean Energy Systems September 2026 Seed ≈$2,700,000 Develops integrated measurement, simulation, data and plasma-control systems intended to accelerate commercial fusion-energy deployment. Europe Founderful; Playfair
Jet Zero Australia Low Carbon Mobility September 2026 Unknown ≈$21,600,000 Develops a commercial-scale sustainable aviation fuel and renewable-diesel refinery using lower-carbon fuel pathways. Asia-Pacific Not disclosed
i2Cool Building Decarbonization Tech September 2026 Series B Not Disclosed Develops electricity-free passive radiative-cooling coatings, films and materials that reduce building and infrastructure cooling loads. Asia-Pacific Not disclosed
KI13 Industrial Climate Tech September 2026 Seed $5M Converts lignocellulosic biomass into green hydrogen and biogenic-carbon feedstocks for lower-cost synthetic fuels. Europe HICO Investment Group
B-eff Clean Energy Systems September 2026 Series A ≈$2,800,000 Provides software and shared factory infrastructure to digitize battery development, scale-up and manufacturing yield improvement. Asia-Pacific Genesia Ventures
GridSight Clean Energy Systems September 2026 Series B $26M Provides grid-analytics software that helps utilities identify and unlock distribution-network capacity for electrification and distributed energy resources. Asia-Pacific Insight Partners
KG Motors Low Carbon Mobility September 2026 Unknown ≈$2,900,000 Develops and manufactures the mibot, a compact single-seat battery-electric vehicle designed for short-distance mobility. Asia-Pacific Not disclosed
Newlight Marine Low Carbon Mobility September 2026 Seed $9M Develops hydrogen-injection retrofit technology that reduces fuel consumption and emissions from existing marine diesel engines. North America Not disclosed
Odyssey Energy Solutions Clean Energy Systems September 2026 Unknown $27M Operates a financing, procurement and project-management platform for distributed renewable-energy deployment in emerging markets. North America Not disclosed
Yuma Energy Low Carbon Mobility September 2026 Series A $35M Operates battery-swapping and Battery-as-a-Service infrastructure for electric two- and three-wheelers. Asia-Pacific Magna International
Atierra Low Carbon Mobility August 2026 Seed ≈$275,000 Develops microalgae biomanufacturing technology for low-carbon oils and feedstocks including sustainable aviation fuel applications. Asia-Pacific OIST-Lifetime Ventures Fund
Viraj Aero Low Carbon Mobility August 2026 Seed ≈$2,300,000 Develops aerodynamic technologies intended to reduce aircraft fuel consumption and associated emissions. Europe IRDI Capital Investissement
Hayzel Industrial Climate Tech August 2026 Seed $3.6M Recovers wasted pressure energy from commercial chiller systems and converts it into electricity to reduce cooling energy consumption. North America Not disclosed
Quaise Energy Clean Energy Systems August 2026 Series B ≈$26,000,000 Develops millimeter-wave drilling technology intended to access deep geothermal heat for firm clean energy. North America Not disclosed
Certain Energy Clean Energy Systems August 2026 Series A ≈$23,500,000 Develops long-duration manganese flow batteries for storing renewable electricity. Europe British Business Bank
Facetam Industrial Climate Tech August 2026 Seed ≈$2,100,000 Develops catalyst technology for producing ammonia directly from air and water with lower energy use and emissions. Asia-Pacific Main Sequence
Voya Energy Clean Energy Systems August 2026 Series A $35M Develops aluminum-based metal-fuel systems that generate firm electricity from low-grade scrap without combustion. North America Energy Impact Partners
CarbonStrong Industrial Climate Tech August 2026 Seed ≈$2,400,000 Produces low-carbon cement substitutes from industrial by-products to reduce concrete's embodied emissions. Asia-Pacific IAN Angel Fund
Emerald AI Clean Energy Systems August 2026 Series A $150M Provides software that makes AI data-center electricity demand dynamically responsive to grid conditions. North America Energize Capital; DCVC
Matter Low Carbon Mobility August 2026 Growth Equity $25M Develops and manufactures electric motorcycles and their integrated battery and drivetrain technology. Asia-Pacific Not disclosed
Boldr Building Decarbonization Tech August 2026 Unknown $5M Connects and controls household HVAC and other energy assets to reduce consumption and provide grid flexibility. Europe Unconventional Ventures
Kyoto Fusioneering Clean Energy Systems August 2026 Series D+ ≈$205,000,000 Develops fusion-reactor engineering technologies, components and integrated plant systems. Asia-Pacific Not disclosed
Mantel Industrial Climate Tech August 2026 Series A $18M Develops high-temperature molten-borate technology to capture CO2 from industrial processes. North America Not disclosed
Battery Smart Low Carbon Mobility August 2026 Series C $19.5M Operates a battery-swapping network for electric two- and three-wheelers. Asia-Pacific Rising Tide Ventures
Mafix Carbon Removal Platforms August 2026 Seed $5.4M Produces silicon fertilisers using mineral conversion that also removes and durably stores atmospheric CO2. North America Azolla Ventures
Nanolope Building Decarbonization Tech August 2026 Seed ≈$230,000 Develops retrofit thermal-storage panels that reduce building heating and cooling loads and shift energy demand. Europe Not disclosed
Spark Energy Clean Energy Systems August 2026 Seed ≈$2,300,000 Supplies modular off-grid solar home systems with batteries, pay-as-you-go software and financing tools for energy access. Europe CEI Africa
Vessev Low Carbon Mobility August 2026 Series A $19M Designs battery-electric hydrofoiling vessels intended to cut energy use and emissions in passenger marine transport. Asia-Pacific Blackbird Ventures
EcoNomad Clean Energy Systems August 2026 Unknown ≈$210,000 Builds compact anaerobic-digestion systems that convert farm waste into renewable biogas and fertiliser. Europe British Design Fund
Neocrete Industrial Climate Tech August 2026 Unknown $3.5M Develops concrete additives that substantially reduce the quantity and associated emissions of Portland cement required in concrete. Asia-Pacific Wavemaker Ventures
Snerpa Power Industrial Climate Tech August 2026 Seed ≈$2,500,000 Provides software that lets power-intensive industries optimize electricity consumption and participate in grid-flexibility markets. Europe Encevo
Kenoteq Building Decarbonization Tech August 2026 Unknown ≈$2,200,000 Manufactures ultra-low-embodied-carbon masonry products from recycled construction and demolition materials. Europe Kelvin Capital
Form Energy Clean Energy Systems August 2026 Series D+ $750M Manufactures iron-air batteries designed to store grid electricity for roughly 100 hours. North America T. Rowe Price
Reservoir Building Decarbonization Tech August 2026 Seed $8M Develops grid-responsive heat-pump water heaters that operate as household thermal batteries. North America Asymmetric Capital Partners
Yulu Low Carbon Mobility August 2026 Series C ≈$27,500,000 Operates shared electric two-wheelers and associated battery-swapping infrastructure for urban mobility. Asia-Pacific GEF Capital Partners
Naked Energy Building Decarbonization Tech August 2026 Series B ≈$21,900,000 Produces solar-thermal collectors that provide low-carbon heat and hot water for commercial buildings. Europe Great British Energy
Mitti Labs Climate Adaptation Solutions August 2026 Series A $9.5M Uses measurement technology and farm interventions to reduce rice methane emissions and improve water resilience. Asia-Pacific Aramco Ventures
Ore Energy Clean Energy Systems August 2026 Series A ≈$23,000,000 Develops iron-air batteries for multi-day electricity storage on power grids. Europe Plural; HV Capital
Advanced Electric Machines Low Carbon Mobility August 2026 Unknown ≈$21,500,000 Develops rare-earth-free electric motors and powertrains for vehicles and other electrified machinery. Europe Not disclosed
Valar Atomics Clean Energy Systems August 2026 Series B $1B Develops modular nuclear reactors intended to deliver scalable clean heat and electricity. North America Sequoia Capital
Base Power Clean Energy Systems August 2026 Series D+ $1B Deploys residential battery systems that provide backup power while supporting electricity-grid capacity and flexibility. North America Ribbit Capital; Addition; Valor Equity Partners; JPMorganChase Strategic Investment Group
Matel Industrial Climate Tech August 2026 Series B ≈$23,600,000 Produces high-efficiency electric motors, controllers and integrated electric powertrains for mobility and industrial applications. Asia-Pacific UC Impower
Antora Energy Clean Energy Systems July 2026 Series C $550M Builds thermal batteries that store electricity as heat and deliver zero-carbon heat and power to industry and data centers. North America G2 Venture Partners; Eclipse
Commonwealth Fusion Systems Clean Energy Systems July 2026 Growth Equity $1B Develops high-field tokamak fusion systems aimed at commercial zero-carbon electricity generation. North America Not disclosed
Lydian Labs Low Carbon Mobility July 2026 Series A $43M Produces synthetic sustainable aviation fuel from captured CO₂ and hydrogen through a modular production platform. North America Breakthrough Energy Ventures
ATS Energy Industrial Climate Tech July 2026 Unknown $4.6M Develops thermophotovoltaic systems that convert high-temperature waste heat into electricity. North America Not disclosed
Alpen High Performance Products Building Decarbonization Tech July 2026 Series B $6M Manufactures high-efficiency windows and glazing systems that reduce building heating and cooling loads. North America Inherent Capital; Arborview Capital
Antares Industries Clean Energy Systems July 2026 Series C $370M Develops factory-built nuclear microreactors for resilient off-grid power at military and other remote sites. North America Paradigm; Caffeinated Capital
Farm Watt Innovations Clean Energy Systems July 2026 Unknown ≈$3,520,000 Builds biomass collection and aggregation infrastructure serving renewable bioenergy production. Asia-Pacific IAN Alpha Fund; Rainmatter
Bluecore Energy Clean Energy Systems July 2026 Seed $10M Develops small modular nuclear reactors mounted on barges to provide transportable clean power. North America Slauson & Co.
Deutsche Sanierungsberatung Building Decarbonization Tech July 2026 Series A >≈$11,600,000 Provides technology-enabled energy-renovation advice and implementation support for climate-neutral residential buildings. Europe Simon Capital; VERBUND X Ventures
Gritt Clean Energy Systems July 2026 Series A $26M Builds robotic systems that automate installation work on utility-scale solar farms. North America Obvious Ventures
Sila Clean Energy Systems July 2026 Growth Equity $300M Manufactures silicon-carbon anode material that increases lithium-ion battery energy density for electric vehicles and other applications. North America Atreides Management; Sutter Hill Ventures
Sofab Inks Clean Energy Systems July 2026 Seed $6M Develops specialty metal-oxide materials that improve reliability and manufacturing of perovskite solar cells. North America Cloudberry Ventures
Hyperion Robotics Industrial Climate Tech July 2026 Growth Equity $7.4M Uses robotic microfactories and low-carbon concrete manufacturing to produce infrastructure components with lower material and CO₂ intensity. Europe Course Corrected; European Innovation Council Fund
Kind Designs Climate Adaptation Solutions July 2026 Seed $10M Manufactures 3D-printed living seawalls designed to protect coastlines while supporting marine ecosystems. North America Not disclosed
Gridcog Clean Energy Systems July 2026 Series A $10M Provides modelling and optimization software for renewable, battery, electrification and hybrid energy projects. Europe ABB
SLE Energy Clean Energy Systems July 2026 Unknown $37.4M Develops tokamak-based fusion technology through the FAST fusion-energy demonstration project. Asia-Pacific Global Brain Corporation
Hephae Energy Technology Clean Energy Systems July 2026 Series A $17.8M Builds high-temperature drilling and measurement systems enabling access to deeper geothermal resources. North America Susquehanna Sustainable Investments; Underground Ventures
Wildfire Energy Clean Energy Systems July 2026 Seed ≈$1,300,000 Develops gasification systems that convert waste and agricultural residues into low-carbon fuels and energy products. Asia-Pacific Not disclosed
BOHR Energie Clean Energy Systems July 2026 Series A ≈$11,500,000 Aggregates and optimizes distributed renewable generation, storage and flexible energy assets for electricity markets. Europe Suma Capital
Fuchs & Eule Building Decarbonization Tech July 2026 Unknown ≈$11,500,000 Provides AI-supported analysis and implementation planning for energy-efficiency retrofits of buildings. Europe GET Fund
Piq Energy Clean Energy Systems July 2026 Seed $5M Provides AI-based grid-interconnection engineering software for renewable-energy, utility and power-project developers. North America Active Impact Investments
Quaise Energy Clean Energy Systems July 2026 Series B $134M Develops millimeter-wave drilling systems and superhot geothermal power plants for firm zero-carbon electricity. North America Prelude Ventures
Eterna Fusion Clean Energy Systems July 2026 Seed $1.5M Develops tokamak-injection technology for compact fusion reactors designed for continuous operation. Asia-Pacific Not disclosed
Taisan Clean Energy Systems July 2026 Seed ≈$5,350,000 Develops solid-state sodium-ion batteries for mobility and energy-storage applications. Europe Eos Advisory; Mercia Ventures
Albatross Energetics Industrial Climate Tech July 2026 Seed $1.1M Develops liquid-desiccant industrial cooling and dehumidification systems designed to reduce energy consumption and emissions. Asia-Pacific Transition VC
Gaussion Low Carbon Mobility June 2026 Series A $28M Develops magnetic-field battery technology that enables substantially faster charging of EV and other battery packs. Europe BGF; AlbionVC
Kettle Climate Adaptation Solutions June 2026 Series A $25M Uses climate science and machine learning to price and underwrite insurance and reinsurance for climate-amplified catastrophe risk. North America Not disclosed
AquaPoro Climate Adaptation Solutions June 2026 Seed $5M Develops porous-material atmospheric water systems that generate freshwater in arid and low-humidity environments. North America Breakout Ventures
EQON Industrial Climate Tech June 2026 Seed $6M Develops control technology that reduces electricity consumption from industrial resistive-heating cable systems. Europe Azolla Ventures; Wilstar Innovate
Moment Energy Clean Energy Systems June 2026 Series B $3M Repurposes retired EV batteries into stationary battery-energy-storage systems. North America Not disclosed
Wayout Climate Adaptation Solutions June 2026 Series A ≈$2,820,000 Builds distributed systems that locally produce and dispense drinking water with minimal transport and packaging. Europe Not disclosed
VARM Building Decarbonization Tech June 2026 Series A ≈$20,100,000 Provides building-insulation installation through a technology platform and trained contractor network. Europe ABN AMRO Sustainable Impact Fund; GET Fund
Spironet Low Carbon Mobility June 2026 Growth Equity $55M Operates electric motorcycles and battery-swapping infrastructure across African markets. Middle East Not disclosed
SuperLight Low Carbon Mobility June 2026 Series A $21M Designs and manufactures purpose-built electric medium-duty trucks for middle-mile freight. Europe Engine Ventures; 2150
ION Ventures Clean Energy Systems June 2026 Unknown ≈$870,000 Develops and manages battery-storage, grid-flexibility, microgrid and EV-charging infrastructure. Europe Not disclosed
Kvasir Technologies Low Carbon Mobility June 2026 Series A ≈$11,500,000 Produces low-carbon marine fuel from non-food lignocellulosic biomass for existing ship engines. Europe Not disclosed
Critical Energy Clean Energy Systems June 2026 Seed $19M Develops factory-built modular turbines and surface power systems for geothermal power plants. North America Susa Ventures; Upfront Ventures
Terraxy Climate Adaptation Solutions June 2026 Seed $3M Develops soil-regeneration technology for desert greening, water efficiency and carbon capture in arid environments. Middle East Wa'ed Ventures
Trevel Low Carbon Mobility June 2026 Unknown $1M Operates electric-vehicle-based commercial mobility services and fleet infrastructure in India. Asia-Pacific India Accelerator; Finvolve; Haldiram Family Office; Rohit Qamra
Vaja Clean Energy Systems June 2026 Seed ≈$3,580,000 Develops vertical solar-tracking systems designed to increase solar generation at higher latitudes. Europe The Footprint Firm
Endurance Energy Clean Energy Systems June 2026 Series A $54M Develops modular subsea geothermal systems for dispatchable geothermal electricity generation. North America Founders Fund
ENERA Low Carbon Mobility June 2026 Seed $2M Develops electric-vehicle energy and charging infrastructure designed for commercial mobility operations. Europe Lakehouse Ventures
Reclinker Industrial Climate Tech June 2026 Series A ≈$8,900,000 Recycles waste concrete into low-carbon clinker using electric-arc furnaces already used in steelmaking. Europe Not disclosed
Eclipse Clean Energy Systems June 2026 Series A ≈$23,000,000 Develops, optimizes and finances grid-scale battery-storage assets and related energy-market software. Europe BNP Paribas; Noria
Granarium Clean Energy Systems June 2026 Seed >$1,150,000 Develops renewable nanocellulose supercapacitors for grid balancing, renewable integration and industrial power reliability. Europe BSV Ventures; Beamline
Sintropy Building Decarbonization Tech June 2026 Seed ≈$1,150,000 Uses sensors and AI to reduce energy consumption from HVAC and other energy-intensive equipment in commercial facilities. Europe Maia Ventures
SunUp Fusion Clean Energy Systems June 2026 Series A $100M Develops compact high-magnetic-field fusion reactors using a deuterium-helium-3 fuel pathway. Asia-Pacific Qiming Venture Partners; CMC Capital; Zhuhai Huajin Capital; ICBC Capital
Tap Electric Low Carbon Mobility June 2026 Unknown ≈$4,600,000 Provides software and payment infrastructure that helps EV drivers find, use and pay for public charging. Europe No Such Ventures
Companion Energy Clean Energy Systems June 2026 Seed ≈$8,970,000 Provides real-time software for industrial and commercial companies to optimize energy consumption, renewable assets and electricity-market participation. Europe Realyze Ventures; Pi Labs
Galvany Building Decarbonization Tech June 2026 Seed ≈$11,500,000 Provides an integrated platform for installing, operating and optimizing heat pumps in existing buildings. Europe SET Ventures; AENU
Pollen Energy Low Carbon Mobility June 2026 Seed ≈$3,680,000 Operates a universal battery-swapping network for electric mopeds and motorcycles. Europe Pale Blue Dot; Mustard Seed Maze
Helion Energy Clean Energy Systems June 2026 Series D+ $465M Develops pulsed fusion power systems intended to produce commercial zero-carbon electricity. North America Thrive Capital
InCharge Energy Low Carbon Mobility June 2026 Growth Equity $46M Designs, installs and operates commercial EV charging and energy infrastructure for vehicle fleets. North America S2G Investments
VoltSeal Clean Energy Systems June 2026 Seed $1.5M Develops battery-energy-storage systems and associated battery technologies for stationary clean-energy applications. Asia-Pacific Theia Ventures
Gigaton Industrial Climate Tech June 2026 Series A $26M Develops autonomous AI control systems that reduce energy consumption and emissions in cement and other heavy industries. Europe Plural
SolarDew Climate Adaptation Solutions June 2026 Seed ≈$920,000 Develops solar-powered membrane desalination systems for drinking water in remote and water-stressed locations. Europe Not disclosed
Spironet Low Carbon Mobility June 2026 Growth Equity $215M Operates electric motorcycles and battery-swapping infrastructure across African markets. Middle East Not disclosed
Cellife Clean Energy Systems May 2026 Seed ≈$4,600,000 Provides rapid battery diagnostics and health intelligence for battery manufacturers, recyclers and energy-storage operators. Europe Not disclosed
Volt Harbor Clean Energy Systems May 2026 Seed $2M Builds modular software-defined battery energy-storage systems for grids, industrial sites and data centres. North America MFV Partners
Caudal Clean Energy Systems May 2026 Unknown ≈$5,800,000 Develops oscillating-foil tidal generators designed to provide predictable renewable electricity. Europe Oxford Science Enterprises; Empirical Ventures
Focused Energy Clean Energy Systems May 2026 Series A $240M Develops laser-driven inertial fusion systems intended for commercial clean power generation. Europe Not disclosed
Mykor Building Decarbonization Tech May 2026 Series A ≈$5,350,000 Manufactures low-carbon insulation and construction systems from mycelium and industrial or agricultural waste. Europe Clean Growth Fund
Thea Energy Clean Energy Systems May 2026 Series B $100M Develops planar-coil stellarator technology for commercial zero-emission fusion power plants. North America US Innovative Technology Fund
D-CRBN Industrial Climate Tech May 2026 Series A ≈$20,500,000 Uses electrified plasma reactors to convert industrial CO₂ and hydrocarbons into reusable carbon molecules for chemicals and fuels. Europe Astaia
REPS Clean Energy Systems May 2026 Unknown $23.6M Builds road-integrated mechanical systems that harvest vehicle kinetic energy and convert it into electricity. Europe Not disclosed
Stride Clean Energy Systems May 2026 Series B $15M Finances and enables rooftop-solar installations for Vietnamese households and small businesses. Asia-Pacific TRIREC; Lightrock
CrewCarbon Carbon Removal Platforms May 2026 Series A $19M Integrates accelerated mineral weathering into wastewater treatment to permanently remove CO₂ while improving plant performance. North America Burnt Island Ventures
Elvy Clean Energy Systems May 2026 Seed $7M Provides homeowners with subscription-based solar, batteries and associated residential-energy equipment and services. Europe Essential Capital; Daft Capital
Mantle8 Clean Energy Systems May 2026 Series A ≈$36,300,000 Uses subsurface imaging and modelling technology to discover commercially viable natural-hydrogen reservoirs. Europe Sandwater
VREY Building Decarbonization Tech May 2026 Seed ≈$3,900,000 Enables multifamily property owners to install solar and directly supply and bill tenants for locally generated electricity. Europe Not disclosed
Reel Clean Energy Systems May 2026 Series A ≈$17,600,000 Supplies and trades renewable electricity using contracts and risk-management tools that improve renewable-project economics for producers and businesses. Europe Future Energy Ventures
Enaxiom Building Decarbonization Tech May 2026 Seed $1.8M Develops water-efficient cooling infrastructure designed to reduce the resource footprint of data centres. Asia-Pacific Epic Angels
Moment Energy Clean Energy Systems May 2026 Series B $40M Repurposes retired electric-vehicle batteries into stationary battery energy-storage systems. North America Evok Innovations
Reduciner Industrial Climate Tech May 2026 Unknown ≈$4,200,000 Converts captured industrial CO₂ into carbon monoxide, syngas and other feedstocks using electrified high-temperature technology. Europe Not disclosed
Trillium Renewable Chemicals Industrial Climate Tech May 2026 Series B $13M Produces bio-based acrylonitrile and related chemicals to replace fossil-derived chemical feedstocks. North America HS Hyosung Advanced Materials
Barocal Building Decarbonization Tech May 2026 Seed $10M Develops solid-state barocaloric cooling and heating technology that avoids refrigerant gases and lowers energy use. Europe Not disclosed
Rocsys Low Carbon Mobility May 2026 Series A $13M Automated hands-free charging systems for electric heavy-duty fleets, ports and autonomous vehicles. Europe Capricorn Partners
Amplicity Clean Energy Systems May 2026 Seed $1M Software and controls that turn idle industrial and data-centre backup batteries into dispatchable grid and energy-market assets. Asia-Pacific Strategic angel investors
Living Carbon Carbon Removal Platforms April 2026 Growth Equity $13M Develops large-scale reforestation and afforestation projects designed to remove atmospheric CO₂ on degraded land. North America Not disclosed
Spiral Hydrogen Clean Energy Systems April 2026 Seed $3.1M Develops rotating bubble-free electrolysers intended to improve the energy efficiency of green-hydrogen production. Europe Not disclosed
Prithu Carbon Removal Platforms April 2026 Seed $1.1M Develops and verifies nature-based carbon-removal projects with smallholder farmers using field, satellite and digital MRV systems. Asia-Pacific Transition VC
HAMR Energy Low Carbon Mobility April 2026 Series A $6.4M Develops low-carbon methanol and sustainable aviation fuel projects using biomass residues and renewable hydrogen. Asia-Pacific Not disclosed
TheStorage Industrial Climate Tech April 2026 Seed $4.2M Stores renewable electricity as high-temperature heat in moving sand for industrial steam and process-heat applications. Europe Voima Ventures
VREY Building Decarbonization Tech April 2026 Seed $3.8M Provides metering, control and billing infrastructure that enables shared-roof solar electricity supply in multi-family buildings. Europe Rubio Impact Ventures
Carbonyx Carbon Removal Platforms April 2026 Seed $1.2M Converts mineral-rich industrial and mining waste into useful materials while permanently mineralizing CO₂. North America WUTIF Capital
Exergy3 Industrial Climate Tech April 2026 Seed $13.3M Stores renewable electricity as very high-temperature heat for replacing fossil-fuel industrial process heat. Europe Axeleo Capital
Daphne Technology Industrial Climate Tech April 2026 Growth Equity $18.7M Develops exhaust-treatment systems that destroy methane slip from natural-gas engines used in shipping and energy infrastructure. Europe Taranis
NOC Energy Industrial Climate Tech April 2026 Seed $2.7M Electrifies high-temperature industrial heat with induction-based systems designed to replace combustion in manufacturing processes. North America 360 Capital
Rivan Industrial Climate Tech April 2026 Unknown $34M Produces carbon-neutral synthetic natural gas from air, water and renewable electricity for hard-to-electrify industrial processes. Europe IQ Capital
SPiNE Clean Energy Systems April 2026 Series A $3.8M Develops software infrastructure for coordinating distributed energy devices with smart-meter and decentralized-energy systems. Europe BayBG
NanoTech Materials Building Decarbonization Tech April 2026 Series A $29.4M Manufactures ceramic-particle coatings that reduce building heat loads and improve infrastructure resilience to extreme heat and wildfire. North America HPI Real Estate & Investments
Rebound Technologies Building Decarbonization Tech April 2026 Growth Equity $2M Develops thermal energy storage systems that make commercial and industrial cooling loads flexible and reduce peak electricity demand. North America KCC Manufacturing
Critical Loop Clean Energy Systems April 2026 Series A $26M Deploys modular battery-backed microgrids and control software to provide industrial sites with faster, flexible electricity connections. North America Conifer Infrastructure Partners; Hanover
Plume Clean Energy Systems April 2026 Seed $3.9M Uses geospatial AI and regulatory data to accelerate site selection, permitting and grid-connection work for renewable-energy developers. Europe AENU
Ecoil Clean Energy Systems April 2026 Seed $2.5M Collects and aggregates used cooking oil as feedstock for biofuel production through a technology-enabled logistics network. Asia-Pacific Fundalogical Ventures
Sora Fuel Low Carbon Mobility April 2026 Series A $14.6M Converts atmospheric CO₂, water and renewable electricity into syngas for sustainable aviation fuel production. North America Spero Ventures; Inspired Capital
Cocoon Carbon Industrial Climate Tech April 2026 Series A $15M Converts electric-arc-furnace byproducts into low-carbon supplementary cementitious materials that replace conventional cement. Europe 2150; Brick & Mortar Ventures
Monaire Building Decarbonization Tech April 2026 Unknown $4M Uses AI automation to optimize commercial HVAC and refrigeration equipment for lower energy consumption and earlier fault detection. North America Founder Collective; Innospark Ventures
Entrix Clean Energy Systems March 2026 Unknown ≈$49,900,000 Optimizes and trades battery-energy-storage systems across electricity markets using automated software. Europe Junction Growth Investors; Korys
Volta Greentech Industrial Climate Tech March 2026 Unknown ≈$1,900,000 Develops feed additives that reduce methane emissions from cattle digestion. Europe Axel Johnson
Zevero Industrial Climate Tech March 2026 Unknown $7M Provides software for corporate carbon accounting, emissions measurement and decarbonization planning. Europe Not disclosed
Candela Low Carbon Mobility March 2026 Unknown ≈$34,800,000 Designs electric hydrofoil boats and ferries that reduce energy use and emissions in marine transport. Europe Not disclosed
Cocoon Carbon Industrial Climate Tech March 2026 Series A $15M Converts steelmaking slag into low-carbon supplementary cementitious material for concrete production. Europe 2150; Brick & Mortar Ventures
Homaio Industrial Climate Tech March 2026 Seed ≈$4,200,000 Provides a regulated investment platform giving individuals access to carbon allowances and other energy-transition market instruments. Europe RAISE Ventures; Groupe Eren
Sequestra Carbon Removal Platforms March 2026 Seed ≈$3,500,000 Permanently mineralizes CO2 using alkaline industrial residues to create stable carbonate materials. Europe VSE Beteiligungs-GmbH
AIRMO Industrial Climate Tech March 2026 Seed ≈$5,800,000 Develops satellite-based greenhouse-gas monitoring technology for detecting and quantifying industrial methane and CO2 emissions. Europe Ananda Impact Ventures
GridBeyond Clean Energy Systems March 2026 Series D+ ≈$13,900,000 Operates an AI-based platform that optimizes batteries and flexible electricity demand across power markets. Europe Samsung Ventures
Rubi Laboratories Industrial Climate Tech March 2026 Unknown $7.5M Uses captured CO2 as a feedstock to manufacture cellulosic materials for textiles and other products. North America AP Ventures; FH One Investments
VG12 Building Decarbonization Tech March 2026 Seed $3M Develops vacuum-insulated glazing designed to sharply reduce building heating and cooling energy losses. North America Grantham Foundation for the Protection of the Environment; Neglected Climate Opportunities
Halcyon Clean Energy Systems March 2026 Series A $21M Provides AI-powered energy-market data and intelligence for planning and investing in power infrastructure. North America Energize Capital
ReNew Clean Energy Systems March 2026 Growth Equity $95M Develops and supplies renewable-energy solutions for commercial and industrial customers in India. Asia-Pacific LeapFrog Investments
Delfos Energy Clean Energy Systems March 2026 Seed ≈$3,500,000 Provides AI software for monitoring, forecasting and optimizing renewable-energy and battery-storage assets. Europe Not disclosed
Jimmy Energy Industrial Climate Tech March 2026 Unknown ≈$46,400,000 Develops compact nuclear microreactors designed to supply low-carbon industrial process heat. Europe Crédit Mutuel Impact
NewTrace Clean Energy Systems March 2026 Unknown $6.3M Manufactures advanced electrolyzer components designed to lower the cost of green-hydrogen production. Asia-Pacific HDFC Bank Limited; Mitsui Sumitomo Insurance Venture Capital
Zeno Low Carbon Mobility March 2026 Series A $20.5M Builds electric motorcycles and battery-swapping infrastructure for commercial mobility in African markets. Africa Congruent Ventures
Photoncycle Clean Energy Systems March 2026 Series A ≈$17,400,000 Develops seasonal energy-storage systems that store renewable energy as solid hydrogen for later heat and electricity production. Europe NordicNinja; Voima Ventures
Iron Fuel Technology Industrial Climate Tech March 2026 Series B ≈$96,400,000 Develops iron-fuel systems that provide carbon-free high-temperature heat for industrial processes. Europe PGGM
LiTHiRM Industrial Climate Tech March 2026 Seed >≈$7,500,000 Develops electrically heated calcination technology to decarbonize lime and cement production. Europe Not disclosed
PlasmaLeap Industrial Climate Tech March 2026 Series A $20M Develops modular plasma reactors that produce ammonia, nitric acid and fertilizer inputs from air, water and renewable electricity without fossil fuels. Asia-Pacific Gates Foundation; Investible; Yara Growth Ventures
Grevoro Industrial Climate Tech February 2026 Seed $4.7M Manufactures lower-carbon industrial materials and operates technology for traceable embedded-carbon reduction in manufacturing. Asia-Pacific Not disclosed
RG Clean Energy Systems February 2026 Series B $20M Develops geothermal resources and power projects for renewable electricity and heat production. Europe Innviðir fjárfestingar II
Hycosys Clean Energy Systems February 2026 Seed $1M Develops hydrogen-compatible, fuel-flexible micro gas turbines intended to replace diesel-based distributed power generation. Asia-Pacific MountTech Growth Fund – Kavachh
Intrinsic Foundries Industrial Climate Tech February 2026 Seed $1.4M Uses algae-based biorefineries to capture industrial carbon and convert it into commercial biochemicals and materials. Asia-Pacific Transition VC
NuuEnergy Building Decarbonization Tech February 2026 Seed $5.1M Builds and scales digitally enabled regional businesses dedicated to heat-pump installation. Europe amberra
Zero Homes Building Decarbonization Tech February 2026 Series A $16.8M Digitizes the design, quoting and contractor installation of residential heat pumps and other home-electrification upgrades. North America Prelude Ventures
Inertia Clean Energy Systems February 2026 Series A $450M Develops laser-driven inertial-confinement fusion technology intended for commercial grid-scale electricity generation. North America Bessemer Venture Partners
RefinQ Climate Adaptation Solutions February 2026 Seed $2.3M Provides asset-level physical-climate and nature-risk analytics that translate hazards into financial impacts and adaptation actions. Europe aws Gründungsfonds; Symbia VC
tem. Clean Energy Systems February 2026 Series B $75M Operates an AI-native electricity transaction platform connecting businesses directly with renewable power generators. Europe Lightspeed Venture Partners
Capalo AI Clean Energy Systems February 2026 Series A $13M Optimizes and trades grid-scale battery storage and renewable assets through an AI-powered virtual power plant. Europe Heartcore Capital
Phathom Technologies Carbon Removal Platforms February 2026 Seed $2.9M Captures biogenic CO₂ at coastal facilities and converts it into stable dissolved inorganic carbon for durable marine storage. North America Propeller Ventures
Lunar Energy Clean Energy Systems February 2026 Series D+ $102M Builds integrated residential battery systems and virtual-power-plant software that aggregate homes into grid resources. North America B Capital; Prelude Ventures
Lunar Energy Clean Energy Systems February 2026 Series C $130M Builds integrated residential battery systems and virtual-power-plant software that aggregate homes into grid resources. North America Activate Capital
Varaha Carbon Removal Platforms February 2026 Series B $45M Develops and operates carbon-removal projects including biochar, regenerative agriculture, afforestation and enhanced rock weathering. Asia-Pacific WestBridge Capital
Tetrax Clean Energy Systems January 2026 Seed ≈$1,400,000 Provides AI-based technical and investment-risk analysis for renewable-energy infrastructure development and transactions. Europe Footprint Firm
Co-Reactive Industrial Climate Tech January 2026 Seed ≈$7,600,000 Mineralizes captured CO₂ into carbon-negative supplementary cementitious materials for lower-carbon concrete. Europe High-Tech Gründerfonds
Redwood Materials Clean Energy Systems January 2026 Series D+ $75M Recycles lithium-ion batteries, manufactures battery materials and deploys repurposed batteries as stationary energy storage. North America Not disclosed
Radiant Energy Industrial Climate Tech January 2026 Unknown ≈$2,340,000 Develops solar-thermal systems designed to replace fossil fuels in industrial process-heat applications. Europe Not disclosed
Gigablue Carbon Removal Platforms January 2026 Series A $20M Develops ocean-based carbon dioxide removal using controlled microalgae growth and deep-ocean sequestration. North America Planet Ocean Capital
GlassPoint Industrial Climate Tech January 2026 Unknown $20M Builds and operates large-scale solar-thermal systems that replace fossil-fuel heat in industrial processes. North America N.I.S. New Investment Solutions
Chargeup Low Carbon Mobility January 2026 Unknown ≈$2,400,000 Operates a technology and financing platform dedicated to electric last-mile commercial-vehicle drivers and their EV assets. Asia-Pacific IAN Group
Aerem Clean Energy Systems January 2026 Unknown $15M Provides financing, procurement and digital infrastructure for distributed rooftop-solar installers and projects in India. Asia-Pacific SMBC Asia Rising Fund
Arka Energy Clean Energy Systems January 2026 Seed $2M Provides end-to-end residential rooftop-solar systems covering design, installation, approvals, monitoring and maintenance. Asia-Pacific Kae Capital
Cloover Clean Energy Systems January 2026 Series A $22M Provides software, procurement and embedded financing for residential solar, batteries, heat pumps and other distributed-energy installations. Europe MMC Ventures; QED Investors
EarthSync Clean Energy Systems January 2026 Seed $1M Provides AI software for planning, procuring and operating solar, wind and battery-storage projects. Asia-Pacific Theia Ventures
Enerzolve Clean Energy Systems January 2026 Seed $5.1M Develops semiconductor, firmware and power-electronics systems for smart grids, energy storage and modernized power infrastructure. Asia-Pacific Jungle Ventures; Kae Capital
Karman Industries Industrial Climate Tech January 2026 Series A $20M Develops electrically driven thermal-management systems that reduce power consumption and enable heat recovery in data centers and industrial facilities. North America Riot Ventures
Meine Electric Clean Energy Systems January 2026 Seed $750K Develops iron-air long-duration batteries designed to firm renewable generation and provide multi-hour grid storage. Asia-Pacific Antler; Rebalance; Venture Catalysts
Sage Geosystems Clean Energy Systems January 2026 Series B >$97,000,000 Develops pressure-geothermal technology for grid-scale geothermal electricity generation and long-duration energy storage. North America Ormat Technologies; Carbon Direct Capital
Zanskar Clean Energy Systems January 2026 Series C $115M Uses geoscience and AI to discover, characterize and develop geothermal resources and power projects. North America Spring Lane Capital
Transvolt Mobility Low Carbon Mobility January 2026 Series B $15M Deploys and operates electric buses and heavy commercial vehicles for fleet customers in India. Asia-Pacific Not disclosed
TRLyr Clean Energy Systems January 2026 Unknown ≈$131,000,000 Develops and operates grid-scale battery storage while commercializing battery flexibility through a digital marketplace. Europe Eurazeo Transition Infrastructure Fund
Sunlib Clean Energy Systems January 2026 Seed ≈$29,200,000 Provides photovoltaic installations through long-term subscriptions that remove the upfront cost of adopting onsite solar. Europe Not disclosed
Gradient Geothermal Clean Energy Systems January 2026 Seed $2.7M Develops well-completion and flow-control technology to improve output from enhanced geothermal systems. North America Grantham Foundation for the Protection of the Environment
Jetson Building Decarbonization Tech January 2026 Series A $50M Designs, sells and installs integrated electric heat-pump systems for residential home electrification. North America Eclipse
Startorus Fusion Clean Energy Systems January 2026 Series A ≈$143,000,000 Develops magnetic-confinement fusion technology intended to provide commercial zero-carbon power. Asia-Pacific Not disclosed
EQ Earth Carbon Removal Platforms January 2026 Series A ≈$14,700,000 Provides technology-enabled certification and standards for nature-based carbon projects generating verified climate outcomes. Europe Not disclosed
Lydian Labs Industrial Climate Tech January 2026 Series A $43.7M Converts captured CO₂ and renewable electricity into low-carbon synthetic fuels including sustainable aviation fuel. North America Breakthrough Energy Ventures
Atoba Energy Low Carbon Mobility January 2026 Seed $1.5M Aggregates sustainable aviation fuel supply and structures long-term offtake contracts between SAF producers, airlines and fuel distributors. Europe Not disclosed
Deepal Low Carbon Mobility December 2025 Series C $874M Develops and manufactures battery-electric and electrified passenger vehicles. Asia-Pacific Not disclosed
Fuse Energy Clean Energy Systems December 2025 Series B $70M Builds and operates renewable generation, power-supply, grid and home-energy infrastructure. Europe Balderton Capital; Lowercarbon Capital
Venterra Group Clean Energy Systems December 2025 Growth Equity ≈$53,500,000 Provides engineering, survey, construction and installation services exclusively for offshore wind projects. Europe Not disclosed
Blykalla Clean Energy Systems December 2025 Growth Equity $50M Develops lead-cooled small modular nuclear reactors for firm low-carbon power generation. Europe Oklo; Norrsken Launcher; Armada Investment
Oben Electric Low Carbon Mobility December 2025 Unknown ≈$9,400,000 Designs and manufactures electric motorcycles and associated EV technology. Asia-Pacific Not disclosed
Eltex Building Decarbonization Tech December 2025 Unknown ≈$2,110,000 Provides a technology and installer platform for residential solar, heat pumps and EV charging. Europe Vireo Ventures; KOPA Ventures
Pyxis Low Carbon Mobility December 2025 Growth Equity ≈$10,000,000 Builds electric harbor vessels, marine charging infrastructure and fleet energy-management systems. Asia-Pacific Shift4Good; Motion Ventures; MOL PLUS; SEEDS
Radiant Nuclear Clean Energy Systems December 2025 Series D+ >$300,000,000 Develops portable mass-produced nuclear microreactors intended to replace diesel generation. North America Draper Associates; Boost VC
Skye Energy Clean Energy Systems December 2025 Seed ≈$11,000,000 Operates software that automatically shifts industrial electricity demand in response to power prices and grid conditions. Europe Transition VC
Future Greens Industrial Climate Tech December 2025 Unknown ≈$455,000 Builds compact anaerobic-digestion reactors that convert food and brewery waste into renewable heat and power. Europe Not disclosed
Last Energy Clean Energy Systems December 2025 Series C $100M Develops factory-manufactured small modular nuclear power plants for clean firm electricity. North America Astera Institute
Symbrosia Industrial Climate Tech December 2025 Series A $5.8M Produces red-seaweed livestock feed additives designed to reduce enteric methane emissions from cattle. North America Not disclosed
IND Technology Climate Adaptation Solutions December 2025 Series A ≈$33,180,000 Provides early-fault-detection systems that identify grid failures before they cause outages or wildfires. Asia-Pacific Angeleno Group; Energy Impact Partners
LimeNet Carbon Removal Platforms December 2025 Unknown ≈$8,200,000 Uses decarbonized lime and ocean alkalinity enhancement to remove and permanently store atmospheric CO₂. Europe Not disclosed
Kodiaq Clean Energy Systems December 2025 Unknown ≈$1,140,000 Develops organic electrolytes for scalable metal-free long-duration flow batteries. Europe Not disclosed
Spoor Clean Energy Systems December 2025 Series A ≈$9,370,000 Uses computer vision to monitor birds and wildlife so wind farms can be developed and operated with lower ecological impact. Europe SET Ventures
Fervo Energy Clean Energy Systems December 2025 Series D+ $462M Develops enhanced geothermal systems for large-scale, round-the-clock carbon-free electricity generation. North America B Capital
FION Energy Clean Energy Systems December 2025 Seed ≈$1,640,000 Installs and operates AI-optimized battery systems that shift industrial electricity demand and support renewable-heavy grids. Europe HTGF; Norrsken Evolve
Anaphite Industrial Climate Tech December 2025 Series A ≈$940,000 Develops dry-electrode manufacturing technology designed to lower the energy and carbon intensity of lithium-ion battery production. Europe Not disclosed
Blue Current Clean Energy Systems December 2025 Series D+ >$80,000,000 Develops silicon solid-state batteries for stationary storage and electric-mobility applications. North America Amazon
Haven Energy Building Decarbonization Tech December 2025 Growth Equity $15M Deploys and aggregates residential solar-and-battery systems into distributed energy and virtual-power-plant networks. North America Giant Ventures
Orbital Marine Power Clean Energy Systems December 2025 Growth Equity ≈$9,340,000 Develops and operates floating tidal turbines that generate predictable renewable electricity. Europe Not disclosed
Quilt Building Decarbonization Tech December 2025 Series B $20M Designs software-controlled residential heat pumps that replace fossil-fuel heating and cooling systems. North America Energy Impact Partners; Galvanize
Helical Fusion Clean Energy Systems December 2025 Series A $5.5M Develops commercial fusion reactors using helical stellarator magnetic-confinement technology. Asia-Pacific Not disclosed
Addis Energy Industrial Climate Tech December 2025 Seed $8.3M Develops subsurface chemical processes to produce ammonia with substantially lower energy requirements than conventional Haber-Bosch production. North America At One Ventures
Spark Cleantech Industrial Climate Tech December 2025 Series A ≈$19,900,000 Produces low-carbon hydrogen and solid carbon from methane for decarbonizing industrial process heat. Europe 360 Capital; Taranis
ZincFive Clean Energy Systems December 2025 Series D+ $30M Manufactures nickel-zinc battery systems for high-power stationary and data-center applications. North America Not disclosed
Carba Carbon Removal Platforms December 2025 Unknown $6M Converts waste biomass into stable biocarbon for durable carbon removal and low-carbon industrial materials. North America Rusheen Capital Management; Canopy Generations Fund
Hachiko Clean Energy Systems December 2025 Seed $2.5M Develops software to optimize the operation and economics of industrial battery energy-storage systems. Asia-Pacific Archangel Ventures
Mater AI Industrial Climate Tech December 2025 Seed ≈$2,010,000 Uses AI to discover thermoelectric materials that turn industrial waste heat into electricity. Europe Twin Path Ventures
Antares Industries Clean Energy Systems December 2025 Series B $71M Develops compact nuclear microreactors for terrestrial, maritime and space power applications. North America Shine Capital
BattBelt Clean Energy Systems December 2025 Unknown ≈$735,000 Develops mechanical management technology that extends lithium-ion battery life and performance. Europe BeAble Capital
Modo Energy Clean Energy Systems December 2025 Series B $30M Provides benchmarking, forecasting and valuation software for battery storage and electrification assets. Europe Molten Ventures
BatteryPool Low Carbon Mobility November 2025 Unknown ≈$900,000 Operates pay-as-you-go battery access and swapping infrastructure for electric two- and three-wheelers. Asia-Pacific Inflection Point Ventures
Neuron Energy Low Carbon Mobility November 2025 Unknown ≈$3,490,000 Manufactures lithium-ion battery packs and chargers primarily for electric two-wheelers, three-wheelers and light commercial vehicles. Asia-Pacific Equanimity Ventures; Rajiv Dadlani Group; Thackersay Family Office
EcoG Low Carbon Mobility November 2025 Series B ≈$18,600,000 Develops operating-system and controller technology for interoperable EV fast-charging infrastructure. Europe GET Fund; Extantia; Bayern Kapital
Enerin Industrial Climate Tech November 2025 Series A ≈$17,400,000 Develops high-temperature industrial heat pumps that electrify process heat using recovered heat and electricity. Europe Climentum Capital; The Footprint Firm; Johnson Controls; Move Energy
Enerzi Industrial Climate Tech November 2025 Seed ≈$1,850,000 Uses microwave-plasma methane pyrolysis to produce low-carbon hydrogen and solid carbon materials. Asia-Pacific Capital A
3ev Industries Low Carbon Mobility November 2025 Series A ≈$13,500,000 Manufactures electric commercial three-wheelers and electric conversion systems for last-mile transport. Asia-Pacific Mahanagar Gas Limited
Installio Building Decarbonization Tech November 2025 Seed ≈$2,000,000 Provides technology-enabled heat-pump and clean-heating installation services. Europe Verb Ventures
Overstory Climate Adaptation Solutions November 2025 Series B $43M Uses satellite imagery and AI to help utilities manage vegetation and reduce wildfire and grid-failure risk. Europe Blume Equity
PowerUP Energy Technologies Clean Energy Systems November 2025 Series A ≈$11,600,000 Manufactures hydrogen fuel-cell generators for low-emission off-grid and critical-power applications. Europe Mercaton; ScaleWolf
STRATAPHY Building Decarbonization Tech November 2025 Seed $6M Develops geothermal and subsurface cooling systems for data centers and industrial facilities in hot climates. Middle East Outliers VC
Maritime Fusion Clean Energy Systems November 2025 Seed $4.5M Develops compact fusion reactors intended for zero-carbon ship propulsion and off-grid power. North America Trucks Venture Capital
Unergy Clean Energy Systems November 2025 Unknown $4M Develops and finances distributed solar and solar mini-grid projects in Latin America. Latin America Not disclosed
X-energy Clean Energy Systems November 2025 Series D+ $700M Develops high-temperature gas-cooled small modular reactors and TRISO nuclear fuel. North America Jane Street
Nexdash Low Carbon Mobility November 2025 Seed ≈$5,800,000 Acquires and operates road-freight fleets and converts them to zero-emission electric trucks. Europe Extantia Capital
Delta Charge Low Carbon Mobility November 2025 Unknown $4.3M Develops charging depots, battery storage and energy-management systems for electric trucks and logistics fleets. Europe Vireo Ventures; Rethink Ventures
EQORE Clean Energy Systems November 2025 Seed $1.7M Deploys AI-controlled distributed battery storage for commercial and industrial electricity users. North America Not disclosed
Finapp Climate Adaptation Solutions November 2025 Series A ≈$10,000,000 Uses cosmic-ray neutron sensing to monitor soil, snow and water conditions for drought, flood and water-resource management. Europe Linfa - Riello Investimenti SGR
Mangrove Lithium Industrial Climate Tech November 2025 Unknown ≈$1,070,000 Develops electrochemical lithium-refining technology designed to produce battery-grade lithium with lower energy and chemical intensity. North America Not disclosed
Sortera Technologies Industrial Climate Tech November 2025 Growth Equity $45M Uses AI and sensor-based sorting to convert mixed aluminum scrap into high-value recycled aluminum feedstock. North America T. Rowe Price Associates-advised accounts; VXI Capital
Flux Marine Low Carbon Mobility November 2025 Unknown $15M Develops electric outboard propulsion systems and modular batteries for marine vessels. North America Not disclosed
Overlab Industrial Climate Tech November 2025 Seed ≈$520,000 Provides AI and IoT systems that reduce industrial energy use, resource consumption and emissions. Europe Zero
Rhizocore Technologies Climate Adaptation Solutions November 2025 Seed $5.5M Produces fungal inoculants that improve tree establishment, growth and resilience in forestry and ecosystem restoration. Europe The First Thirty
PIONIX Low Carbon Mobility November 2025 Seed >≈$9,300,000 Develops an open-source-based operating system and controller stack for EV charging equipment. Europe Ascend Capital Partners; Scania Growth Capital
Gridware Climate Adaptation Solutions November 2025 Series B $55M Uses pole-mounted sensors and AI to detect grid faults, hazards and wildfire risks in real time. North America Tiger Global; Generation Investment Management
Holosolis Clean Energy Systems November 2025 Growth Equity >≈$15,100,000 Develops a European gigafactory for photovoltaic cells and solar modules. Europe Not disclosed
MetroElectro Clean Energy Systems November 2025 Unknown ≈$650,000 Provides commercial solar and batteries through a solar-as-a-service model. Asia-Pacific Not disclosed
Nanoramic Industrial Climate Tech November 2025 Unknown $54M Develops advanced electrode materials and manufacturing technology for higher-performance batteries. North America GM Ventures; Catalus Capital
Glint Solar Clean Energy Systems November 2025 Series A $8M Provides software for identifying, assessing and designing utility-scale solar project sites. Europe Smedvig Ventures
EnerKite Clean Energy Systems November 2025 Unknown ≈$1,860,000 Develops airborne wind-energy systems that generate electricity using tethered autonomous kites. Europe Not disclosed
Harbinger Motors Low Carbon Mobility November 2025 Series C $160M Manufactures electric and hybrid-electric chassis for medium-duty commercial vehicles. North America FedEx; Capricorn Technology Impact Fund; THOR Industries
LIFEPOWR Clean Energy Systems November 2025 Series A ≈$6,550,000 Operates software that aggregates and optimizes batteries, solar, EV chargers and heat pumps for electricity flexibility. Europe Noshaq; SPDG
Mulilo Clean Energy Systems November 2025 Growth Equity $75M Develops, owns and operates utility-scale wind, solar and battery-storage projects. Africa Not disclosed
Exowatt Clean Energy Systems November 2025 Series A $50M Develops modular solar generation combined with thermal energy storage for dispatchable clean power. North America MVP Ventures; 8090 Industries
Number 8 Bio Industrial Climate Tech November 2025 Series A ≈$7,150,000 Develops livestock feed and rumen technologies that reduce enteric methane emissions. Asia-Pacific Icehouse Ventures
Power & Heat Clean Energy Systems November 2025 Seed ≈$1,830,000 Builds portable hydrogen fuel-cell power systems designed to replace diesel generators. Europe Companisto Business Angel Network
Voya Energy Clean Energy Systems November 2025 Seed $13M Develops recyclable metal-fuel systems for carbon-free portable and off-grid power. North America Energy Impact Partners
Waaree Technologies Clean Energy Systems November 2025 Growth Equity ≈$36,600,000 Manufactures battery cells, packs and containerized battery energy-storage systems. Asia-Pacific Niveshaay
Highview Power Clean Energy Systems November 2025 Growth Equity ≈$170,300,000 Develops long-duration grid storage using liquid-air energy storage integrated with batteries. Europe Not disclosed
Infinity Clean Energy Systems November 2025 Growth Equity $40M Develops and operates renewable-energy projects across Africa through its clean-energy businesses. Africa Not disclosed
Quino Energy Clean Energy Systems November 2025 Series A $10M Develops water-based organic flow batteries for long-duration stationary energy storage. North America Atri Energy Transition
Sedgeley Solar Group Clean Energy Systems November 2025 Growth Equity $60M Develops and operates commercial and industrial distributed solar and battery projects in Southern Africa. Africa Inspired Evolution
Swish Solar Clean Energy Systems November 2025 Seed $1.5M Develops self-cleaning coatings and analytics that reduce soiling losses from solar panels. North America Friday Ventures
Valar Atomics Clean Energy Systems November 2025 Series A $105M Develops helium-cooled high-temperature nuclear reactors for electricity and industrial energy. North America Snowpoint Ventures
TerraNova Climate Adaptation Solutions November 2025 Seed $7M Uses autonomous equipment to inject biomass underground and raise flood-prone land elevations. North America Congruent Ventures; Outlander
Blykalla Clean Energy Systems November 2025 Growth Equity ≈$40,300,000 Develops lead-cooled small modular nuclear reactors for low-carbon electricity and industrial heat. Europe Not disclosed
Cambridge Photon Technology Clean Energy Systems November 2025 Unknown ≈$1,210,000 Develops photon-multiplier materials designed to increase electricity output from silicon solar cells. Europe Not disclosed
Renset Clean Energy Systems November 2025 Seed ≈$700,000 Provides portable swappable battery systems that replace diesel generators on construction sites. Europe Vliegwiel Impact
Solfium Clean Energy Systems November 2025 Series A $7M Provides distributed solar systems and energy services to businesses in Mexico. Latin America Accion; ALIVE Ventures
C.Scale Building Decarbonization Tech November 2025 Seed $2M Provides building-carbon software connecting whole-life carbon analysis with low-carbon construction-material selection and procurement. North America Active Impact Investments; Wireframe Ventures
Flux XII Clean Energy Systems November 2025 Seed $4M Develops organic electrolyte chemistry for long-duration redox-flow batteries. North America Grantham Foundation
Hullbot Low Carbon Mobility November 2025 Series A $10.6M Builds autonomous hull-cleaning robots that reduce ship drag, fuel consumption and emissions. Asia-Pacific Regeneration.VC
Infravision Clean Energy Systems November 2025 Series B $91M Uses aerial robotics to construct and upgrade electricity transmission infrastructure. North America GIC
Maxwell+Spark Low Carbon Mobility October 2025 Series B $15M Builds lithium-ion battery systems that replace diesel and lead-acid power in industrial logistics and refrigerated transport. Europe Klima
Mondra Industrial Climate Tech October 2025 Series A ≈$13,400,000 Provides product-level emissions and supply-chain intelligence to help food companies measure and reduce environmental impacts. Europe AlbionVC; Planet A Ventures
Redwood Materials Clean Energy Systems October 2025 Series D+ $350M Recycles lithium-ion batteries and produces battery materials and stationary storage systems from recovered battery resources. North America Eclipse
Immaterial Industrial Climate Tech October 2025 Series A $18.2M Develops porous-material systems primarily for lower-cost point-source carbon capture in hard-to-abate industries. Europe SLB
Arbor Clean Energy Systems October 2025 Series A $55M Develops fuel-flexible power systems designed to deliver low-emission baseload electricity with integrated CO₂ capture. North America Lowercarbon Capital; Voyager Ventures
etalytics Industrial Climate Tech October 2025 Series A ≈$9,280,000 Uses AI and digital twins to reduce energy consumption in data centers and energy-intensive industrial facilities. Europe M12
Pila Energy Clean Energy Systems October 2025 Seed $4M Makes plug-in distributed home batteries for backup power, energy management and grid support. North America R7 Partners
Seneca Climate Adaptation Solutions October 2025 Seed $60M Develops autonomous aerial systems that detect and suppress wildfires before they spread. North America Caffeinated Capital; Convective Capital
bees & bears Clean Energy Systems October 2025 Seed ≈$5,800,000 Provides embedded financing that helps households purchase solar systems, batteries and heat pumps. Europe Extantia Capital; Contrarian Ventures
Wild Bioscience Climate Adaptation Solutions October 2025 Series A $60M Uses AI and precision breeding to develop higher-yielding, climate-resilient crop varieties. Europe Ellison Institute of Technology
011h Building Decarbonization Tech October 2025 Series A ≈$23,200,000 Designs and delivers industrialized low-carbon buildings using digital processes and lower-emissions construction materials. Europe Ship2B Ventures; CDTI
Corvus Energy Low Carbon Mobility October 2025 Growth Equity $60M Manufactures battery energy-storage systems for hybrid and zero-emission maritime vessels. Europe Morgan Stanley Investment Management 1GT
Base Power Clean Energy Systems October 2025 Series C $1B Deploys residential batteries as a distributed power network providing backup power and grid capacity. North America Addition
BioSorra Carbon Removal Platforms October 2025 Seed $3.5M Converts tropical agricultural residues into biochar for durable carbon removal and soil improvement. Africa atmosfair; Fondo Nimbus
Clevergy Clean Energy Systems October 2025 Seed ≈$3,710,000 Provides software enabling electricity retailers and households to manage consumption, distributed energy assets and flexibility. Europe Racine²; Axon Partners Group
Vycarb Carbon Removal Platforms October 2025 Seed $5M Builds modular water-based systems that capture CO₂ and convert it into durable dissolved ocean carbon storage. North America Twynam Investments
Hysun Industrial Climate Tech October 2025 Seed ≈$3,480,000 Develops solar-driven technology that produces renewable hydrogen without conventional electrolysis electricity demand. Europe Not disclosed
Einride Low Carbon Mobility October 2025 Growth Equity $100M Operates electric and autonomous freight vehicles with software for zero-emission road logistics. Europe Not disclosed
FenX Building Decarbonization Tech October 2025 Series A ≈$10,250,000 Develops low-energy mineral-foam insulation that replaces more emissions-intensive conventional building insulation. Europe Supernova Invest; Move Energy
Optimuse Building Decarbonization Tech October 2025 Seed ≈$4,640,000 Uses AI building simulation to optimize HVAC, envelopes and renovation choices for lower energy use and emissions. Europe seed + speed Ventures; Blum Ventures
Phaidra Industrial Climate Tech October 2025 Series B >$50,000,000 Builds AI control agents that reduce energy and cooling requirements in data centers and other industrial facilities. North America Collaborative Fund
viboo Building Decarbonization Tech October 2025 Seed ≈$3,830,000 Provides AI-based building controls that reduce heating and other building energy consumption. Europe Realyze Ventures
Boldr Building Decarbonization Tech September 2025 Seed $3.2M Builds connected home heating, cooling and energy-control systems that turn residences into flexible grid assets. Europe Not disclosed
Anode Clean Energy Systems September 2025 Seed $9M Provides mobile battery microgrids as a zero-emission alternative to temporary diesel generators. North America Eclipse
OXCCU Industrial Climate Tech September 2025 Series B $28M Develops catalysts and reactors that convert waste carbon directly into sustainable aviation fuel and chemicals. Europe Not disclosed
Plantd Building Decarbonization Tech September 2025 Series B $22M Manufactures carbon-negative structural building materials from fast-growing perennial grass. North America Not disclosed
viboo Building Decarbonization Tech September 2025 Seed ≈$3,900,000 Provides predictive building-control software that cuts heating and cooling energy consumption in existing buildings. Europe Realyze Ventures
Enadyne Industrial Climate Tech September 2025 Seed ≈$8,200,000 Develops electrically powered plasma-catalysis reactors that convert greenhouse gases into chemicals and abate industrial emissions. Europe Amadeus APEX Technology Fund; Energy Capital Ventures
WAAT Low Carbon Mobility September 2025 Growth Equity ≈$117,000,000 Deploys and operates EV charging infrastructure for residential, social-housing and commercial properties. Europe DWS; Bpifrance
Wankel Energy Industrial Climate Tech September 2025 Seed $1M Develops rotary expanders that recover wasted industrial steam pressure and convert it into electricity. Asia-Pacific Shastra VC
Xbattery Clean Energy Systems September 2025 Seed $2.3M Develops battery-management electronics for electric vehicles and stationary energy-storage systems. Asia-Pacific Bipin Patel Family Office
Brineworks Carbon Removal Platforms September 2025 Seed ≈$5,900,000 Develops direct-air-capture electrolysers that co-produce captured CO₂ and hydrogen for e-fuels. Europe SeaX Ventures
Equilibrium Carbon Removal Platforms September 2025 Seed $3M Develops and manages carbon-removal projects spanning agroforestry, regenerative agriculture, mangroves and biochar. Asia-Pacific Not disclosed
Factor2 Energy Clean Energy Systems September 2025 Seed $9.1M Develops geothermal power systems that use CO₂ rather than water as the underground working fluid. Europe At One Ventures
DACLab Carbon Removal Platforms September 2025 Seed $3M Develops modular low-energy direct-air-capture systems for CO₂ sequestration and e-fuel production. North America Peter Relan
EV Realty Low Carbon Mobility September 2025 Growth Equity $75M Develops and operates high-capacity charging hubs for commercial electric truck fleets. North America NGP
XL Batteries Clean Energy Systems September 2025 Seed $7.5M Develops organic, non-flammable flow batteries for long-duration grid energy storage. North America Not disclosed
suena Clean Energy Systems September 2025 Series A ≈$9,400,000 Provides automated optimisation and electricity-market trading software for batteries and renewable-energy assets. Europe Eneco Ventures
Chestnut Carbon Carbon Removal Platforms September 2025 Series B $90M Develops large-scale afforestation projects that generate durable nature-based carbon removal credits. North America Not disclosed
Fourth Power Clean Energy Systems September 2025 Series A $20M Develops high-temperature thermal energy storage for long-duration grid electricity storage. North America Munich Re Ventures
Rodatherm Energy Clean Energy Systems September 2025 Series A $38M Develops closed-loop geothermal systems for utility-scale electricity generation. North America Evok Innovations
Sympower Clean Energy Systems September 2025 Series B ≈$22,300,000 Operates a flexibility platform that optimises distributed energy assets and battery storage for electricity grids. Europe PGGM
encentive Industrial Climate Tech September 2025 Seed ≈$7,400,000 Uses AI to control industrial energy assets and reduce electricity costs and emissions through flexible operation. Europe General Catalyst
Feld Energy Clean Energy Systems September 2025 Seed ≈$11,700,000 Develops and deploys agrivoltaic projects that combine agricultural production with solar generation. Europe HV Capital
FEX Energy Clean Energy Systems September 2025 Seed $3.5M Develops iron-based long-duration energy storage for replacing fossil-fuel energy in remote and industrial applications. North America Fathom Fund; Amplify Capital; Antares Ventures
Nitricity Industrial Climate Tech September 2025 Series B $50M Produces lower-emission nitrogen fertilizer using renewable energy, air, water and biomass inputs. North America World Fund; Khosla Ventures
Dig Energy Building Decarbonization Tech September 2025 Seed $5M Develops compact drilling systems that lower the cost of geothermal heating and cooling installations. North America Azolla Ventures; Avila VC
Enersee Building Decarbonization Tech September 2025 Seed ≈$4,700,000 Provides AI-based energy-management software that identifies and reduces energy waste across building portfolios. Europe Degrees Capital
Solenergy Clean Energy Systems September 2025 Seed ≈$540,000 Provides an AI platform for evaluating and adopting solar and net-zero energy solutions. North America Not disclosed
Rock Flour Company Carbon Removal Platforms September 2025 Seed ≈$7,150,000 Commercialises Greenlandic rock flour for enhanced-weathering carbon removal and lower-carbon agriculture. Europe EIFO; Novo Holdings
Florrent Clean Energy Systems September 2025 Seed $9.5M Develops plant-derived supercapacitor materials and systems for grid power quality and renewable-energy reliability. North America MassVentures
Zympler Clean Energy Systems September 2025 Seed ≈$1,760,000 Provides software that optimises solar, batteries, EV charging and other energy assets behind constrained grid connections. Europe Arches Capital
Euclid Power Clean Energy Systems September 2025 Series A $20M Provides software and services that streamline development and operation of renewable-energy projects. North America Venrock
Maxwell+Spark Low Carbon Mobility September 2025 Series B ≈$10,500,000 Builds lithium-ion battery systems that replace diesel power in industrial logistics and transport refrigeration. Europe Klima
Puro.earth Carbon Removal Platforms September 2025 Series B ≈$12,900,000 Operates a carbon-crediting and certification platform focused on engineered carbon dioxide removal. Europe Nasdaq
Quanta Renewables Clean Energy Systems September 2025 Seed $500K Provides distributed solar, energy-management and clean-energy solutions for residential communities. Asia-Pacific Trillion Dollar Venture Partners
TOBE Energy Industrial Climate Tech September 2025 Seed $1.8M Develops high-efficiency electrolysers for low-cost green hydrogen production. North America Cortado Ventures
Offgrid Energy Labs Clean Energy Systems September 2025 Series A $15M Develops zinc-bromine ZincGel batteries for stationary and long-duration energy storage. Asia-Pacific Archean Chemical Industries
Terraton Carbon Removal Platforms September 2025 Seed $11.5M Provides a full-stack platform for deploying and operating biochar carbon-removal facilities. North America Lowercarbon Capital; Gigascale Capital
Deftpower Low Carbon Mobility August 2025 Unknown ≈$14,600,000 Provides AI-based EV charging and smart-charging software that integrates vehicle flexibility with electricity grids. Europe Endeit Capital
Palmer Energy Technology Clean Energy Systems August 2025 Series A ≈$6,750,000 Develops automotive-grade battery energy-storage systems and battery-management technology. Europe FirstGroup plc; Barclays Bank; University of Oxford
Commonwealth Fusion Systems Clean Energy Systems August 2025 Series B $863M Develops high-field-magnet fusion systems and commercial fusion power plants. North America Not disclosed
RABLE Clean Energy Systems August 2025 Unknown ≈$2,910,000 Manufactures self-supporting mounting systems that enable solar panels on roofs unable to bear conventional installations. Europe Not disclosed
Yottar Clean Energy Systems August 2025 Seed $1M Maps electricity-grid capacity so electrification projects can identify sites where new electrical loads can connect. Europe Haatch
Fifty Clean Energy Systems August 2025 Unknown ≈$1,630,000 Provides AI-based software for optimizing distributed energy assets and electricity-system flexibility. Europe Not disclosed
Group14 Technologies Clean Energy Systems August 2025 Series D+ $463M Manufactures silicon-carbon active materials that improve rechargeable battery performance and energy density. North America SK, Inc.
Aalo Atomics Clean Energy Systems August 2025 Series B $100M Develops factory-manufactured modular nuclear power plants for reliable carbon-free electricity. North America Valor Equity Partners
Nrlyze Building Decarbonization Tech August 2025 Seed ≈$1,050,000 Uses AI, sensors and control software to reduce wasted heating energy in buildings. Europe VEQ; Aipa Invesco AB
Wallround Building Decarbonization Tech August 2025 Seed ≈$4,900,000 Runs a technology-enabled end-to-end platform for energy-efficient building renovations. Europe Revent; Green Generation Fund
HEVO Low Carbon Mobility August 2025 Unknown $579.1K Develops wireless charging hardware and software for electric vehicles. North America Not disclosed
Hubber Infrastructure Low Carbon Mobility August 2025 Unknown ≈$81,000,000 Develops high-powered urban EV charging hubs for fleets and other high-utilization electric vehicles. Europe James Bayliss; Christopher Fox
Rebelvolt Clean Energy Systems August 2025 Unknown ≈$730,000 Builds mobile industrial battery generators designed to replace diesel generators in off-grid applications. Europe Gorilla Capital Fund
Aira Building Decarbonization Tech August 2025 Growth Equity ≈$174,700,000 Manufactures and installs residential heat pumps and associated clean home-energy systems designed to replace gas heating. Europe Not disclosed
Equatic Carbon Removal Platforms August 2025 Series A $11.6M Uses seawater electrolysis to permanently remove atmospheric CO₂ while co-producing green hydrogen. North America Catalytic Capital for Climate and Health; Kibo Invest
SolarSteam Industrial Climate Tech August 2025 Seed $717K Builds concentrating-solar thermal systems that replace fossil-fuel heat in industrial processes. North America Not disclosed
Bisly Building Decarbonization Tech August 2025 Series A ≈$5,000,000 Supplies building-automation hardware and software that optimizes heating, ventilation, lighting and energy use. Europe 2C Ventures
Hylenr Clean Energy Systems August 2025 Unknown $3M Develops low-energy nuclear-reaction systems intended to supply carbon-free industrial heat and power. Asia-Pacific Valour Capital; Chhattisgarh Investments Limited
Wattch Clean Energy Systems August 2025 Seed $6M Provides monitoring, control and hybrid-SCADA hardware/software for commercial solar and battery-storage assets. North America Spero Ventures
AMP Clean Energy Clean Energy Systems August 2025 Growth Equity ≈$67,000,000 Develops distributed energy, battery-storage and low-carbon industrial heat infrastructure. Europe Not disclosed
Circon Energy Industrial Climate Tech August 2025 Unknown $4M Converts waste streams into renewable electricity, lower-carbon fuels and other recovered resources. North America Not disclosed
RenewCO2 Industrial Climate Tech August 2025 Seed $4M Converts captured CO₂ and water electrochemically into low-carbon chemicals and fuel precursors. North America Energy Transition Ventures
Solidec Industrial Climate Tech July 2025 Seed >$2,000,000 Develops modular electrochemical reactors that make industrial chemicals from air, water and electricity instead of conventional fossil-intensive processes. North America New Climate Ventures
Planted Solar Clean Energy Systems July 2025 Series A $12M Develops terrain-following solar-array technology and construction systems designed to reduce land, steel and installation requirements. North America Piva Capital
eveez Low Carbon Mobility July 2025 Series A $5.4M Provides subscription electric two-wheelers to gig-economy and delivery workers as an electric-mobility-as-a-service platform. Asia-Pacific Michael & Susan Dell Foundation
Hertha Metals Industrial Climate Tech July 2025 Series A $17M Develops a lower-energy, lower-emissions single-step process for producing steel and high-purity iron from ore. North America Not disclosed
Sunsave Building Decarbonization Tech July 2025 Series A ≈$17,500,000 Provides residential rooftop solar and battery systems through a subscription model with no upfront purchase requirement. Europe Norrsken VC; IPGL
Elephant Energy Building Decarbonization Tech July 2025 Series A $6.5M Designs and installs residential electrification systems including heat pumps, heat-pump water heaters and induction appliances. North America Not disclosed
Stellaria Clean Energy Systems July 2025 Unknown ≈$26,900,000 Develops a fast-neutron molten-salt nuclear reactor for low-carbon electricity and industrial energy production. Europe At One Ventures; Supernova Invest
Alva Energie Building Decarbonization Tech July 2025 Seed ≈$6,100,000 Plans, installs and operates distributed solar and tenant-electricity systems for residential and commercial buildings. Europe Not disclosed
Enerkii Clean Energy Systems July 2025 Seed Not Disclosed Provides commercial and industrial customers with on-site renewable-energy systems combining solar, storage and energy-management software. Europe World Fund
GRIDSERVE Low Carbon Mobility July 2025 Growth Equity ≈$134,000,000 Develops and operates high-power electric-vehicle charging infrastructure across the United Kingdom. Europe Not disclosed
Cariqa Low Carbon Mobility July 2025 Seed ≈$4,700,000 Provides payments, billing and dynamic-pricing infrastructure built specifically for public EV charging networks. Europe Anthemis; Contrarian Ventures
Chloris Geospatial Carbon Removal Platforms July 2025 Series A $8.5M Uses satellite data and machine learning to measure forest biomass, carbon stocks and ecosystem change for nature-based climate projects. North America Future Energy Ventures
Tulum Energy Industrial Climate Tech July 2025 Seed $27M Develops methane-pyrolysis technology that produces low-carbon hydrogen and solid carbon for hard-to-abate industries. Europe TDK Ventures; CDP Venture Capital
Yulu Low Carbon Mobility July 2025 Series B $3M Operates shared and subscription-based electric two-wheelers for urban commuting and last-mile delivery. Asia-Pacific Not disclosed
BM2 Solar Clean Energy Systems July 2025 Series A ≈$2,300,000 Co-locates and optimizes battery storage at existing solar plants to increase renewable-power flexibility and dispatch value. Europe Axon Partners Group
Crosstown H2R Industrial Climate Tech July 2025 Seed $3.8M Develops retrofit burners that enable existing gas turbines to operate on hydrogen and other renewable fuels. Europe Not disclosed
Currentt Clean Energy Systems July 2025 Seed ≈$2,000,000 Builds cyber-secure energy-management hardware and software that coordinates local generation, storage and electricity consumption. Europe Not disclosed
Climeworks Carbon Removal Platforms July 2025 Growth Equity $162M Develops and operates direct-air-capture technology and permanent atmospheric carbon-removal services. Europe BigPoint Holding; Partners Group
Dexter Energy Clean Energy Systems July 2025 Series C ≈$27,100,000 Provides AI forecasting and trading optimization software for renewable-power and battery portfolios. Europe Klima, Alantra's Energy Transition Fund
SolaRock Building Decarbonization Tech July 2025 Unknown ≈$8,200,000 Installs and operates turnkey rooftop solar systems for homes and businesses through a locally distributed model. Europe Not disclosed
FieldFactors Climate Adaptation Solutions July 2025 Unknown ≈$1,900,000 Builds nature-based systems that capture, treat, store and reuse urban rainwater to reduce flooding and water scarcity. Europe Connect the Drops
Solarix Building Decarbonization Tech July 2025 Series A ≈$4,900,000 Designs and manufactures building-integrated solar façade panels that turn façades into electricity-generating surfaces. Europe Not disclosed
Steady Energy Clean Energy Systems July 2025 Unknown ≈$11,700,000 Develops small modular nuclear reactors designed to provide emission-free district and industrial heat. Europe Not disclosed
Tibo Energy Clean Energy Systems June 2025 Seed ≈$6,900,000 Provides AI-driven energy-management software coordinating distributed energy assets to reduce grid constraints and energy costs. Europe KOMPAS VC
DejaBlue Low Carbon Mobility June 2025 Seed $8M Optimizes commercial EV charging, on-site solar and flexible electrical loads through an integrated energy-management platform. Europe redalpine
Battery Smart Low Carbon Mobility June 2025 Series B $21M Operates a battery-as-a-service and battery-swapping network for electric two- and three-wheelers. Asia-Pacific Rising Tide Energy
Climatiq Industrial Climate Tech June 2025 Series A ≈$11,500,000 Provides APIs and software infrastructure for embedding emissions calculations and carbon data directly into enterprise workflows. Europe Alstin Capital
EACON Low Carbon Mobility June 2025 Series D+ >$55,000,000 Develops autonomous battery-electric haulage systems for open-pit mining operations. Asia-Pacific CATL Capital
Ignis Energy Clean Energy Systems June 2025 Series A $13.6M Identifies, de-risks and develops geothermal power projects in multiple international markets. North America alfa8
Enter Building Decarbonization Tech June 2025 Series B ≈$23,000,000 Digitizes and manages energy-efficiency renovation projects for residential buildings from assessment through contractor implementation. Europe Not disclosed
Ostrom Clean Energy Systems June 2025 Series B ≈$23,000,000 Supplies 100% renewable electricity through a digital utility platform with dynamic pricing, EV and battery automation, and virtual-power-plant capabilities. Europe Eneco Ventures
Tether Low Carbon Mobility June 2025 Seed ≈$1,495,000 Aggregates EV batteries through software to provide flexible charging and grid-balancing capacity. Europe Draper B1; K Fund
HeatLeap Building Decarbonization Tech June 2025 Unknown ≈$1,150,000 Develops all-electric heating systems designed to replace natural-gas heating in existing residential buildings. Europe Arket Ventures
TerraPower Clean Energy Systems June 2025 Growth Equity $650M Develops advanced nuclear reactors and energy-storage-integrated nuclear power systems. North America Not disclosed
Pano AI Climate Adaptation Solutions June 2025 Series B $44M Operates AI-enabled camera and intelligence networks for rapid wildfire detection and response. North America Giant Ventures
ENGRATE Clean Energy Systems June 2025 Seed ≈$2,875,000 Provides software infrastructure for integrating and coordinating distributed energy assets across electricity-sector systems. Europe Maniv
Anzen Building Decarbonization Tech June 2025 Seed ≈$1,490,000 Develops a plug-and-play solid-state heat-pump wall providing electric heating, cooling and ventilation without refrigerants. Europe Green Angel Ventures; Desai Ventures
FlexeCharge Low Carbon Mobility June 2025 Series A ≈$5,750,000 Provides load, energy and grid-management software for commercial EV charging operators. Europe Not disclosed
Voltfang Clean Energy Systems June 2025 Series B ≈$17,250,000 Builds stationary battery-storage systems, including systems using repurposed electric-vehicle batteries. Europe FORWARD.one
New Iridium Industrial Climate Tech June 2025 Seed $2.7M Develops low-carbon photochemical processes for producing bio-based commodity chemicals that replace fossil-derived equivalents. North America Not disclosed
Proxima Fusion Clean Energy Systems June 2025 Series A $150M Develops stellarator-based nuclear fusion power plants for commercial zero-carbon electricity generation. Europe Cherry Ventures; Balderton Capital
Standard Nuclear Clean Energy Systems June 2025 Seed $42M Manufactures TRISO nuclear fuel for advanced reactors. North America Decisive Point
Voltavate Clean Energy Systems June 2025 Seed ≈$550,000 Develops nanofibre battery separators designed to improve lithium-ion battery safety and energy density. Asia-Pacific Artesian
Co-Power Clean Energy Systems June 2025 Seed ≈$7,300,000 Installs and operates solar-plus-storage systems for industrial sites under an energy-as-a-service model and aggregates them into virtual power plants. Europe Cherry Ventures
Coral Vita Climate Adaptation Solutions June 2025 Series A >$8,000,000 Grows and restores climate-resilient coral reefs at ecosystem scale using land-based coral farms and restoration technology. Latin America Builders Vision
Tarnoc Building Decarbonization Tech June 2025 Unknown ≈$1,370,000 Develops an all-electric turbine heat pump intended to replace gas boilers while retaining existing radiators. Europe Not disclosed
Aircapture Carbon Removal Platforms June 2025 Series A $50M Builds modular direct-air-capture systems that produce captured atmospheric CO2 for industrial use and carbon removal. North America Not disclosed
Stride Green Clean Energy Systems June 2025 Seed $3.5M Finances and manages electric-mobility, battery-storage and renewable-energy assets using a technology-enabled leasing platform. Asia-Pacific Micelio Technology Fund; Incubate Fund Asia
SWTCH Energy Low Carbon Mobility June 2025 Series B $4M Provides EV-charging infrastructure and intelligent load-management software for multifamily and commercial properties. North America Not disclosed
Amber Electric Clean Energy Systems June 2025 Growth Equity ≈$29,300,000 Provides renewable electricity retail and software that automatically controls household batteries and EV charging around wholesale power prices. Asia-Pacific ETF Partners
Kumulus Water Climate Adaptation Solutions June 2025 Seed $3.5M Manufactures atmospheric water generators that produce drinking water locally from air humidity in water-stressed locations. Europe Not disclosed
Heron Power Clean Energy Systems May 2025 Series A $38M Develops software-defined solid-state transformers and power electronics for modern electric grids. North America Capricorn Investment Group
Replace Energy Clean Energy Systems May 2025 Seed $2.1M Uses AI to identify and assess viable sites for renewable-energy projects and accelerate project development. Middle East Gravity Climate
SkyNRG Low Carbon Mobility May 2025 Growth Equity $283M Develops, produces and supplies sustainable aviation fuel for aviation decarbonization. Europe Not disclosed
Twindo Clean Energy Systems May 2025 Seed $1.1M Provides field-operations and digital-inspection software for wind and other renewable-energy assets. Europe Volve Capital
ECOP Technologies Industrial Climate Tech May 2025 Series A $11.9M Manufactures high-temperature industrial heat pumps designed to replace fossil-fuel process heat. Europe KSB
Kite Magnetics Low Carbon Mobility May 2025 Seed $2.3M Develops high-efficiency electric motors and advanced magnetic materials aimed primarily at electric aviation. Asia-Pacific SQM Lithium Ventures
Converge Industrial Climate Tech May 2025 Series A $22M Uses sensors, AI and concrete-performance data to reduce cement use, construction waste and embodied carbon. Europe ABN AMRO Sustainable Impact Fund
Promethean Energy Industrial Climate Tech May 2025 Seed $2M Develops industrial heat pumps and waste-heat-recovery systems that replace fossil-fuel process heating. Asia-Pacific Transition VC
trawa Clean Energy Systems May 2025 Series A $27.1M Supplies renewable electricity and AI-based energy procurement, management and flexibility software to commercial and industrial customers. Europe Headline
Alt Carbon Carbon Removal Platforms May 2025 Seed $12M Removes atmospheric CO₂ through enhanced rock weathering deployed on agricultural land. Asia-Pacific Lachy Groom
Rhizome Climate Adaptation Solutions May 2025 Seed $6.5M Provides climate-risk and resilience-planning software that helps electric utilities harden grids against extreme weather. North America Base10 Partners
Rivan Industrial Climate Tech May 2025 Seed $13.4M Builds solar-powered modular plants that combine direct air capture and green hydrogen to manufacture synthetic fuels. Europe Plural
Sicona Clean Energy Systems May 2025 Unknown $9.7M Develops silicon-carbon anode materials intended to increase lithium-ion battery energy density and charging performance. Asia-Pacific Not disclosed
SparkCharge Low Carbon Mobility May 2025 Series A $15.5M Provides mobile, off-grid EV charging hardware and charging-as-a-service for electric-vehicle fleets. North America Monte's Fam
SUN METALON Industrial Climate Tech May 2025 Series A $9M Develops electrified metal-processing equipment that recycles metal waste with substantially lower energy use and CO₂ emissions. North America Not disclosed
GDI Low Carbon Mobility May 2025 Series A $11.5M Develops silicon-anode materials designed to increase the energy density and charging performance of EV batteries. North America Helios Climate Ventures; Impact NY; EIT InnoEnergy
Sublime Systems Industrial Climate Tech May 2025 Unknown $3M Manufactures low-carbon cement using an electrochemical process that avoids conventional high-temperature cement kilns. North America Suffolk Technologies
Tan90 Clean Energy Systems May 2025 Series A $2.3M Develops phase-change thermal-storage systems for energy-efficient cold-chain and industrial cooling. Asia-Pacific NABVENTURES
Euler Motors Low Carbon Mobility May 2025 Series D+ $74.5M Manufactures electric commercial vehicles, particularly electric three- and four-wheelers for logistics. Asia-Pacific Hero MotoCorp
OroraTech Climate Adaptation Solutions May 2025 Series B $13.5M Operates thermal-imaging satellites and software for wildfire detection, monitoring and risk intelligence. Europe BNP Paribas Solar Impulse Venture Fund
Bovotica Industrial Climate Tech May 2025 Seed $2.2M Develops microbiome-based livestock treatments designed to suppress enteric methane emissions from cattle. Asia-Pacific Not disclosed
VFlowTech Clean Energy Systems May 2025 Series A $20.5M Manufactures vanadium redox-flow batteries and energy-management software for long-duration energy storage. Asia-Pacific Granite Asia
Haier Energy Clean Energy Systems May 2025 Series A $97.2M Develops and operates renewable-energy and distributed-energy solutions. Asia-Pacific Not disclosed
Realta Fusion Clean Energy Systems May 2025 Series A $36M Develops compact magnetic-mirror fusion systems intended to supply clean power and industrial heat. North America Future Ventures
Rino Low Carbon Mobility May 2025 Series B $27.8M Develops autonomous electric delivery vehicles and operating systems for urban and last-mile logistics. Asia-Pacific SF Express
Arysun Clean Energy Systems May 2025 Seed $575K Provides affordable rooftop-solar solutions and related analytics for households in Southeast Asia. Asia-Pacific Wavemaker Impact
Breathe Battery Technologies Clean Energy Systems May 2025 Series B $21M Develops software for designing, predicting and optimizing battery performance, charging and lifetime. Europe Kinnevik
Hy2gen Clean Energy Systems April 2025 Growth Equity ≈$23,400,000 Develops, builds and operates renewable-hydrogen, green-ammonia and e-fuel production plants for hard-to-abate industries. Europe Hy24
iwell Clean Energy Systems April 2025 Series A ≈$20,700,000 Provides commercial and industrial battery-storage systems and energy-management software that maximize renewable-energy use and relieve grid congestion. Europe Meridiam
Mombak Carbon Removal Platforms April 2025 Unknown $30M Restores degraded Amazon land with native forests to remove atmospheric CO₂ and generate high-durability reforestation carbon credits. Latin America Union Square Ventures
Electra Industrial Climate Tech April 2025 Series B $186M Produces high-purity iron from low-grade ores using low-temperature electrochemistry powered by renewable electricity instead of fossil-fuel furnaces. North America Capricorn Investment Group; Temasek Holdings
RepAir Carbon Carbon Removal Platforms April 2025 Series A $15M Develops an electrochemical system for low-energy capture of dilute CO₂ from industrial exhaust and ambient air. Middle East Taranis Carbon Ventures; Extantia Capital
Adaptavate Building Decarbonization Tech April 2025 Unknown ≈$2,600,000 Develops low-carbon and carbon-storing bio-based plasterboard and construction-material technologies. Europe Not disclosed
node.energy Clean Energy Systems April 2025 Series B ≈$27,100,000 Provides software enabling businesses to procure and manage electricity directly from wind and solar generators through renewable PPAs. Europe DeepTech & Climate Fund; eCAPITAL ENTREPRENEURIAL PARTNERS
51toCarbonZero Industrial Climate Tech April 2025 Unknown ≈$2,000,000 Provides software and expert support for companies to measure emissions, plan reductions and execute net-zero transitions. Europe Fuel Ventures
Exowatt Clean Energy Systems April 2025 Series A $35M Builds modular solar-thermal generation and storage systems intended to provide dispatchable renewable electricity. North America Felicis
Irrigreen Climate Adaptation Solutions April 2025 Series A ≈$29,000,000 Makes precision robotic irrigation systems that use digital mapping and weather data to substantially reduce outdoor water consumption. North America Natural Ventures
Omnidian Clean Energy Systems April 2025 Series C $87M Provides performance assurance, monitoring and asset-management services for distributed solar and energy-storage systems. North America B Capital
Ensol Clean Energy Systems April 2025 Unknown ≈$2,800,000 Provides residential solar systems and a solar-rental model designed to accelerate household adoption of distributed renewable power. Europe Breega
Caban Energy Clean Energy Systems April 2025 Growth Equity $50M Designs, installs and operates battery-based clean Energy-as-a-Service systems for telecommunications and other critical infrastructure. North America Ember Infrastructure Management
Arnergy Clean Energy Systems April 2025 Series B $15M Provides distributed solar-and-battery systems to Nigerian homes and businesses through ownership and lease-to-own models. Africa CardinalStone Capital Advisers
Base Power Clean Energy Systems April 2025 Series B $200M Deploys large residential batteries and aggregates them into a distributed power fleet supporting the electricity grid. North America Addition; Andreessen Horowitz; Lightspeed Venture Partners; Valor Equity Partners
RayGen Clean Energy Systems April 2025 Series D+ ≈$29,000,000 Develops utility-scale concentrated-solar generation combined with long-duration thermal and pumped-hydro energy storage. Asia-Pacific SLB
Adaptis Building Decarbonization Tech April 2025 Seed $4M Uses AI to plan building retrofits and capital programs that reduce operational and embodied carbon. North America Building Ventures
GridSight Clean Energy Systems April 2025 Series A ≈$2,700,000 Provides AI software that gives electricity networks visibility and orchestration capabilities for distributed energy resources. Asia-Pacific AirTree Ventures
Aerem Clean Energy Systems April 2025 Series A ≈$21,700,000 Operates an end-to-end distributed-solar platform combining procurement, installation support, marketplace tools and financing. Asia-Pacific UTEC
Enpal Clean Energy Systems April 2025 Growth Equity ≈$220,000,000 Provides integrated residential solar, batteries, heat pumps, smart meters and virtual-power-plant services. Europe TPG Rise Climate
Zero Industrial Industrial Climate Tech April 2025 Series A $10M Develops and finances thermal-energy-storage systems that replace fossil-fuel heat in industrial processes. North America Evok Innovations
ARXAX Low Carbon Mobility April 2025 Seed ≈$2,100,000 Builds a telematics-powered network connecting road-freight fleets with zero- and low-carbon refuelling and recharging infrastructure. Europe Not disclosed
Fourier Clean Energy Systems April 2025 Series A $18.5M Develops modular on-site hydrogen production systems designed to make clean hydrogen locally from electricity and water. North America General Catalyst; Paramark Ventures
Gradyent Clean Energy Systems April 2025 Series B ≈$20,400,000 Provides digital-twin software that optimizes district heating and cooling networks to reduce energy use, heat losses and emissions. Europe Blue Earth Capital
Caldera Industrial Climate Tech March 2025 Series A $12.9M Stores renewable electricity as high-temperature heat for decarbonizing industrial steam and hot-water demand. Europe Not disclosed
montamo Building Decarbonization Tech March 2025 Seed $6.5M Trains technicians and operates an installation platform for heat pumps and other residential electrification systems. Europe Alter Equity
Marvel Fusion Clean Energy Systems March 2025 Series B $54M Develops laser-driven nuclear fusion technology for commercial zero-carbon power generation. Europe Not disclosed
ClimateCamp Industrial Climate Tech March 2025 Seed $3.8M Provides Scope 3 emissions data, supplier engagement and reduction-planning software focused on cutting industrial value-chain emissions. Europe Expon Capital
Soldera Clean Energy Systems March 2025 Seed $2.7M Automates management and trading of renewable electricity Guarantees of Origin and Renewable Energy Certificates. Europe Lifeline Ventures
Theion Clean Energy Systems March 2025 Series A $16.3M Develops sulfur-crystal batteries intended to reduce battery cost, weight and lifecycle carbon footprint. Europe Team Global
Blueshift Industrial Climate Tech March 2025 Seed $2.1M Develops electrochemical processing systems for lower-impact critical-mineral extraction while also enabling seawater CO₂ removal. North America Not disclosed
C1 Green Chemicals Industrial Climate Tech March 2025 Series A $16.4M Develops catalysis technology for producing green methanol to replace fossil feedstocks in shipping, aviation and chemicals. Europe denkapparat
Capalo AI Clean Energy Systems March 2025 Seed $4.1M Uses AI and virtual-power-plant software to optimize battery energy storage in electricity and balancing markets. Europe VentureFriends; PROfounders
Pulsetrain Low Carbon Mobility March 2025 Seed $6.7M Develops integrated EV battery-management, inverter and charging electronics designed to extend battery life and improve drivetrain efficiency. Europe Vsquared Ventures; Planet A
Resilco Industrial Climate Tech March 2025 Series A $5.5M Mineralizes industrial waste into secondary construction materials while permanently storing CO₂. Europe 360 Capital
SkySpecs Clean Energy Systems March 2025 Series D+ $20M Provides autonomous inspections and asset-health software for wind and other renewable-energy assets. North America Goldman Sachs Alternatives
257 Building Decarbonization Tech March 2025 Seed $9.2M Builds household-level digital energy twins that help utilities and electrification providers target home energy upgrades. North America F2 Venture Capital
Homeostasis Carbon Removal Platforms March 2025 Seed $600K Captures atmospheric CO₂ through mineralization and converts the captured carbon into industrial-grade graphite. North America Not disclosed
Peregrine Energy Solutions Clean Energy Systems March 2025 Growth Equity $53M Develops and operates utility-scale battery energy storage projects. North America Not disclosed
tado° Building Decarbonization Tech March 2025 Growth Equity $32.7M Provides smart thermostats, heat-pump optimization and home energy-management software that reduces heating energy use. Europe Not disclosed
SmartSolar Clean Energy Systems March 2025 Seed $1.9M Finances, installs and operates rooftop solar systems for Vietnamese SMEs with no upfront customer investment. Asia-Pacific Picus Capital; 2degrees
Equilibrium Energy Clean Energy Systems March 2025 Series B $28M Provides software and market infrastructure for optimizing renewable power, storage and electricity portfolios. North America GS Energy
Terabase Energy Clean Energy Systems March 2025 Series C $130M Provides software, robotics and construction automation for utility-scale solar power plants. North America SoftBank Vision Fund 2
Agros Clean Energy Systems March 2025 Series A $4.3M Provides solar-powered irrigation systems that replace diesel pumping for Southeast Asian agriculture. Asia-Pacific Gaia Impact; Schneider Electric Energy Access Asia; Wavemaker Impact
DG Matrix Clean Energy Systems March 2025 Seed $20M Develops solid-state power routers that integrate AC/DC power sources, storage and loads for electrification and grid-constrained sites. North America Clean Energy Ventures
Reshape Energy Building Decarbonization Tech March 2025 Seed $5.5M Integrates building-energy assessment, electrification, solar and efficiency services for commercial property owners. Europe Vireo Ventures; PostScriptum Ventures
Supercritical Industrial Climate Tech March 2025 Series A $17.4M Develops high-pressure, high-efficiency electrolysers for producing green hydrogen for chemicals and fuels. Europe Shell Ventures; Toyota Ventures
EcoJoule Clean Energy Systems March 2025 Growth Equity $9.5M Builds community battery storage and voltage-control equipment that increases electric-grid capacity for distributed solar. Asia-Pacific Ellerston Capital Industrial Growth Fund; Fifth Estate Asset Management
Graphitic Energy Industrial Climate Tech March 2025 Series A $15M Produces low-carbon hydrogen and solid graphite from natural gas through methane pyrolysis without direct CO₂ generation. North America Not disclosed
Echandia Low Carbon Mobility March 2025 Series A $20.9M Manufactures high-power battery systems for electrifying ferries, vessels and other heavy-duty maritime transport. Europe Klima; Industrifonden
AtmoCooling Climate Adaptation Solutions March 2025 Seed $2.6M Uses seawater evaporative cooling to create cooler, more humid microclimates for agriculture in extremely hot and arid regions. North America Nucleus Capital; Revent Ventures
Ocean Ledger Climate Adaptation Solutions March 2025 Seed $900K Uses satellite and geospatial analytics to quantify coastal climate risks and identify adaptation interventions. Europe Ananda Impact Ventures; Silverstrand Capital
Renfusion Clean Energy Systems March 2025 Series A $33.2M Develops stellarator fusion reactors and high-temperature superconducting technologies for commercial fusion power. Europe Crédit Mutuel Impact
Spiritus Carbon Removal Platforms March 2025 Series A $30M Develops modular direct-air-capture systems designed for large-scale permanent CO₂ removal. North America Aramco Ventures
Glimp Clean Energy Systems March 2025 Series A $10M Provides automated X-ray CT inspection and quality analytics for battery manufacturing. North America TDK Ventures
Installer Clean Energy Systems March 2025 Seed $4M Provides software that coordinates installation and maintenance of heat pumps, batteries, EV chargers and other distributed-energy assets. Europe Brighteye Ventures
Radical Dot Industrial Climate Tech March 2025 Seed $2.9M Uses low-temperature catalytic chemistry to turn mixed plastic waste into non-fossil chemical feedstocks. Europe UVC Partners; Visionaries Tomorrow
Mote Carbon Removal Platforms March 2025 Series A $7M Converts forestry and agricultural waste into hydrogen while permanently storing the resulting biogenic CO₂. North America Nella Next; Preston-Werner Ventures
Stargate Hydrogen Industrial Climate Tech March 2025 Series A $11.5M Manufactures precious-metal-free alkaline electrolyser stacks and systems for green hydrogen production. Europe Not disclosed
Moonwatt Clean Energy Systems March 2025 Seed $8.3M Develops sodium-ion battery storage optimized to make utility-scale solar power dispatchable around the clock. Europe daphni; LEA Partners
PHNXX Clean Energy Systems March 2025 Seed $1.1M Builds modular “grid-in-a-box” renewable microgrid systems for off-grid and distributed-energy applications. Asia-Pacific Not disclosed
CarbonQuest Industrial Climate Tech February 2025 Growth Equity $20M Builds modular point-source carbon-capture systems for buildings, distributed power and smaller industrial facilities. North America Riverbend Energy Group
ctrl+s Industrial Climate Tech February 2025 Seed ≈$1,040,000 Provides supply-chain carbon analytics and supplier-management software for corporate decarbonization. Europe High-Tech Gründerfonds
Adaptive Insurance Climate Adaptation Solutions February 2025 Seed $5M Builds climate-risk data and parametric insurance products covering weather and climate-related disruptions. North America Congruent Ventures
Mitico Industrial Climate Tech February 2025 Seed $4.3M Develops modular sorbent systems for capturing CO₂ from industrial point-source emissions. North America Exergon
Deutsche Sanierungsberatung Building Decarbonization Tech February 2025 Seed ≈$3,750,000 Runs a digital platform and service network for energy-efficiency renovations including insulation, solar and heat pumps. Europe Vireo Ventures
Hydrogenious LOHC Technologies Clean Energy Systems February 2025 Growth Equity >≈$17,700,000 Develops liquid-organic-hydrogen-carrier technology for large-scale storage and transportation of hydrogen. Europe Not disclosed
Scale Energy Clean Energy Systems February 2025 Seed ≈$2,080,000 Develops and operates distributed industrial battery-storage projects that support renewable generation and grid flexibility. Europe Climentum Capital
Ignis Energy Clean Energy Systems February 2025 Series A $12.5M Develops and explores geothermal resources for utility-scale low-carbon power generation. North America alfa8
Dynolt Low Carbon Mobility February 2025 Seed $1.7M Develops software-defined power converters and fast-charging electronics for EVs and other clean-energy applications. Asia-Pacific Transition VC
Terra CO2 Building Decarbonization Tech February 2025 Series B $82M Produces low-carbon supplementary cementitious materials from abundant silicate rocks to reduce Portland-cement use. North America Just Climate; Eagle Materials; GenZero
HydGen Clean Energy Systems February 2025 Seed ≈$1,480,000 Develops compact on-site electrolyzer systems for decentralized production of green hydrogen. Asia-Pacific Cloudberry Pioneer Investments
Carbon Zero Carbon Removal Platforms February 2025 Seed $3.5M Produces biochar from agricultural and forestry residues for carbon removal and soil application. North America Not disclosed
Proba Industrial Climate Tech February 2025 Seed ≈$1,040,000 Provides carbon-insetting infrastructure that finances and verifies emissions reductions within agri-food supply chains. Europe Future Food Fund; The Yield Lab Europe
Renew Risk Clean Energy Systems February 2025 Seed ≈$6,250,000 Builds catastrophe, engineering and exposure-risk models specifically for renewable-energy infrastructure. Europe Molten Ventures
Agteria Industrial Climate Tech February 2025 Seed ≈$6,230,000 Develops feed additives designed to substantially reduce methane emissions from cattle. Europe Industrifonden; AgriZeroNZ
Chestnut Carbon Carbon Removal Platforms February 2025 Series B $160M Develops afforestation projects on marginal U.S. farmland to generate durable nature-based carbon removals. North America Not disclosed
Sparke Fuels Low Carbon Mobility February 2025 Seed ≈$2,390,000 Develops load-flexible e-fuel production technology for sustainable aviation fuel using renewable electricity and CO₂. Europe Nucleus Capital
ACCURE Battery Intelligence Clean Energy Systems February 2025 Series B $16M Provides predictive battery analytics to improve safety, reliability and performance of energy-storage systems and EV fleets. Europe Incharge Capital Partners
Noovoleum Industrial Climate Tech February 2025 Unknown $3M Operates technology-enabled collection systems that recover used cooking oil for conversion into biofuel. Asia-Pacific Rigel Capital
Act-ion Clean Energy Systems February 2025 Unknown $7.5M Develops faster and lower-cost manufacturing technology for lithium-ion cathode active materials. North America BASF Venture Capital
ReCarber Carbon Removal Platforms February 2025 Seed ≈$5,300,000 Develops and finances bioenergy carbon capture and storage projects and commercializes their carbon-removal credits. Europe Luminar Ventures; Spintop Ventures; Course Corrected
The Energy Company Low Carbon Mobility February 2025 Unknown $2M Develops battery packs and battery-intelligence technology primarily for commercial electric-vehicle fleets. Asia-Pacific Not disclosed
Mantle8 Clean Energy Systems February 2025 Seed ≈$3,540,000 Uses geophysics, geochemistry and seismic modelling to locate and quantify naturally occurring hydrogen reservoirs. Europe Not disclosed
Imperium Technologies Industrial Climate Tech February 2025 Unknown >$1,200,000 Develops smart steam traps and monitoring software that reduce wasted fuel and emissions in industrial steam systems. North America Central Texas Angel Network; Springbok Ventures
MacroCycle Industrial Climate Tech February 2025 Seed $6.5M Upcycles PET and polyester waste into virgin-grade resin using a lower-energy chemical process. North America Clean Energy Ventures; Volta Circle
Podero Clean Energy Systems February 2025 Seed ≈$5,720,000 Software enables utilities to optimize and trade the flexibility of EVs, heat pumps, batteries and other distributed energy resources. Europe Planet A Ventures
Presto Low Carbon Mobility February 2025 Seed $15M Provides software and payment infrastructure that lets commercial EV fleets charge across multiple public charging networks. North America Union Square Ventures
IONATE Clean Energy Systems February 2025 Series A $17M Builds smart-transformer hardware and grid-control software for more flexible, efficient electricity networks. Europe AlbionVC
Sequestra Industrial Climate Tech February 2025 Seed ≈$1,140,000 Develops technology to permanently mineralize CO₂ in industrial residues such as steel slag and demolition waste. Europe Not disclosed
Adia Thermal Building Decarbonization Tech February 2025 Unknown ≈$374,000 Develops hardware and controls that simplify heat-pump retrofits in existing homes. Europe Blackfinch Ventures
Epyr Industrial Climate Tech February 2025 Seed ≈$3,120,000 Develops firebrick thermal-energy-storage systems to electrify and decarbonize high-temperature industrial heat. Europe AENU; Daphni
SplitEV Low Carbon Mobility February 2025 Seed $750K Operates a software platform for sharing and accessing private and public EV charging infrastructure. North America Not disclosed
Connected Kerb Low Carbon Mobility January 2025 Growth Equity ≈$20,900,000 Develops and operates long-dwell public EV charging infrastructure, primarily for drivers without off-street parking. Europe Not disclosed
Niko Clean Energy Systems January 2025 Seed $8M Installs and finances residential solar and battery systems and aggregates them into distributed energy resources. Latin America QED Investors
OCELL Carbon Removal Platforms January 2025 Series A ≈$20,300,000 Uses remote sensing and software to manage forests for increased carbon sequestration and generate forest carbon projects. Europe Capnamic
Helion Energy Clean Energy Systems January 2025 Series D+ $425M Develops pulsed fusion systems intended to generate zero-carbon electricity directly from fusion reactions. North America Not disclosed
HYBIRD Building Decarbonization Tech January 2025 Unknown ≈$2,470,000 Develops intelligent electrical panels and energy-cloud software that automate building and industrial energy consumption. Europe BackingMinds; Transition
Keey Aerogel Building Decarbonization Tech January 2025 Series A ≈$28,500,000 Manufactures low-carbon silica aerogel insulation using recycled construction materials and a closed-loop production process. Europe SPI 2; WIND
Mangrove Lithium Clean Energy Systems January 2025 Series B $35M Develops electrochemical refining technology that converts lithium feedstocks into battery-grade lithium chemicals. North America Not disclosed
VEIR Clean Energy Systems January 2025 Series B $75M Develops superconducting power-transmission systems capable of carrying substantially more electricity through constrained corridors. North America Munich Re Ventures
Voltiris Clean Energy Systems January 2025 Seed ≈$2,280,000 Makes spectral solar modules that generate electricity above greenhouses while transmitting wavelengths needed by crops. Europe EquityPitcher Ventures; 3M Ventures
Gridio Low Carbon Mobility January 2025 Seed ≈$2,470,000 Provides software that automatically shifts EV charging and distributed energy use to cheaper and cleaner grid periods. Europe Neoinvesteeringud
Sightline Climate Industrial Climate Tech January 2025 Seed $5.5M Provides market intelligence and data for companies, investors and governments operating across the low-carbon transition economy. Europe The Westly Group; Molten Ventures
CapeZero Clean Energy Systems January 2025 Seed $2.6M Provides financial-modeling software for structuring tax equity and project finance for renewable-energy projects. North America Powerhouse Ventures
Chapter Clean Energy Systems January 2025 Unknown ≈$2,090,000 Provides AI knowledge software for manufacturers and installers of heat pumps, solar systems and EV chargers. Europe Rubio Impact Ventures; CapitalT
Enapi Low Carbon Mobility January 2025 Seed ≈$2,730,000 Provides transaction and interoperability infrastructure connecting EV charge-point operators with mobility-service providers. Europe Voyager Ventures
Bedrock Energy Building Decarbonization Tech January 2025 Series A $12M Designs and installs geothermal heating and cooling systems for buildings using advanced drilling technology. North America Titanium Ventures
Gravity Climate Industrial Climate Tech January 2025 Series A $13M Provides carbon-accounting and energy-management software that identifies and executes industrial emissions-reduction opportunities. North America Ansa Capital
Green Fusion Building Decarbonization Tech January 2025 Series A ≈$22,400,000 Uses software and AI to optimize heating systems in multifamily and commercial buildings. Europe HV Capital; XAnge
Aegis Energy Low Carbon Mobility January 2025 Growth Equity Up To ≈$222,000,000 Develops multi-energy refuelling hubs for zero- and low-emission commercial vehicles. Europe Not disclosed
Alteva Low Carbon Mobility January 2025 Seed ≈$2,750,000 Develops lightweight battery-cell technology intended to electrify transport applications. Europe High-Tech Gründerfonds
ecoplanet Clean Energy Systems January 2025 Series A ≈$26,500,000 Provides energy-management software that optimizes commercial electricity consumption and procurement against power-market conditions. Europe EQT Ventures
Fusebox Clean Energy Systems January 2025 Unknown ≈$2,680,000 Provides virtual-power-plant and energy-management software for balancing distributed generation, storage and electricity demand. Europe Soulmates Ventures
BeZero Carbon Carbon Removal Platforms January 2025 Series C $32M Provides independent carbon-credit ratings and risk analytics for voluntary and compliance carbon markets. Europe GenZero
Elcogen Clean Energy Systems January 2025 Unknown ≈$2,150,000 Manufactures solid-oxide fuel-cell and electrolyzer technology for efficient low-carbon power and hydrogen production. Europe Not disclosed
Green Flexibility Clean Energy Systems January 2025 Growth Equity Up To ≈$212,000,000 Develops, builds and operates grid-scale battery-storage projects. Europe Not disclosed
H2SITE Industrial Climate Tech January 2025 Series B ≈$27,100,000 Develops membrane reactors and separation systems for producing, transporting and recovering low-carbon hydrogen. Europe Hy24; SC Net Zero Ventures
Moment Energy Clean Energy Systems January 2025 Series A $15M Repurposes used EV batteries into stationary battery-energy-storage systems. North America Amazon Climate Pledge Fund; Voyager Ventures
Origen Carbon Removal Platforms January 2025 Series A $13M Uses limestone-based direct-air-capture technology to remove atmospheric CO₂ for permanent storage. Europe Barclays Climate Ventures
Amogy Industrial Climate Tech January 2025 Unknown $56M Develops ammonia-to-power systems that convert ammonia into hydrogen for zero-carbon power in shipping and heavy industry. North America Aramco Ventures; SV Investment
Circunomics Clean Energy Systems January 2025 Series A >≈$2,200,000 Runs a battery-lifecycle and marketplace platform that enables reuse, second-life deployment and recycling of EV batteries. Europe GET Fund; Schaeffler Invest
Metafuels Low Carbon Mobility January 2025 Unknown $9M Develops synthetic aviation fuel produced from renewable hydrogen and carbon feedstocks. Europe Celsius Industries
Harbinger Motors Low Carbon Mobility January 2025 Series B $100M Develops electric chassis systems for medium-duty commercial vehicles. North America Capricorn Technology Impact Fund; Leitmotif
Naco Technologies Industrial Climate Tech January 2025 Seed ≈$2,550,000 Makes nano-coatings that reduce the use of scarce precious metals in hydrogen and other clean-energy equipment. Europe Radix Ventures; Impact Ventures; Kendris Capital
Protium Industrial Climate Tech January 2025 Series B >≈$27,800,000 Develops and operates green-hydrogen and renewable-energy projects for industrial decarbonization. Europe Barclays Principal Investments; SWEN Capital Partners
Hycamite Industrial Climate Tech January 2025 Series A ≈$25,300,000 Produces low-carbon hydrogen and solid carbon by splitting methane without releasing the carbon as CO₂. Europe Sojitz Group
Advanced Ionics Industrial Climate Tech January 2025 Unknown $6.7M Develops water-vapor electrolyzers that use industrial heat to produce low-carbon hydrogen. North America Not disclosed
Gridware Clean Energy Systems January 2025 Series A $26.4M Provides pole-mounted sensors and analytics that detect faults and wildfire risks on electricity distribution grids. North America Sequoia Capital
Altilium Clean Energy Systems January 2025 Series B $5M Recovers battery materials from end-of-life EV batteries for reuse in new lithium-ion batteries. Europe Not disclosed
EMO Energy Clean Energy Systems January 2025 Series A $6.2M Builds battery packs, charging systems and battery-management software for electric mobility and stationary storage. Asia-Pacific Subhkam Ventures
Qvantum Building Decarbonization Tech January 2025 Series C ≈$25,800,000 Develops network-connected heat pumps and thermal-energy systems for low-carbon building heating. Europe Thomas von Koch; IMAS Foundation; Mats Rahmström
Electra Industrial Climate Tech January 2025 Unknown $180.4M Produces low-carbon iron using an electrochemical process designed to replace emissions-intensive ironmaking. North America Not disclosed
Hexana Clean Energy Systems January 2025 Seed ≈$25,450,000 Develops sodium-cooled fast modular nuclear reactors with thermal storage for low-carbon industrial energy. Europe Not disclosed
AVATR Low Carbon Mobility December 2024 Series C >$1,510,000,000 Designs and manufactures premium intelligent battery-electric passenger vehicles. Asia-Pacific Not disclosed
Artem Industrial Climate Tech December 2024 Seed ≈$1,600,000 Develops technology for directly measuring industrial greenhouse-gas emissions and generating emissions data for carbon-border compliance. Europe Vireo Ventures
Electrified Thermal Solutions Industrial Climate Tech December 2024 Series A $19M Develops electrically heated thermal batteries for replacing fossil-fuel combustion in high-temperature industrial processes. North America Not disclosed
Terradot Carbon Removal Platforms December 2024 Series A $54M Removes atmospheric CO₂ through enhanced rock weathering deployed on agricultural land. North America John Doerr
Bnewable Clean Energy Systems December 2024 Growth Equity ≈$42,000,000 Provides battery-as-a-service systems and energy-management software for commercial and industrial sites. Europe Not disclosed
Enzinc Clean Energy Systems December 2024 Series A $8M Develops rechargeable zinc battery technology designed as a safer, lower-impact alternative to lithium-ion systems. North America TO VC
Powernaut Clean Energy Systems December 2024 Seed ≈$2,500,000 Builds orchestration software that coordinates distributed solar, batteries, EVs and heat pumps for energy suppliers. Europe Revent
SolarSquare Clean Energy Systems December 2024 Series B $40M Installs and operates residential rooftop-solar systems for households in India. Asia-Pacific Lightspeed Venture Partners
SpotmyEnergy Clean Energy Systems December 2024 Seed ≈$11,000,000 Provides smart meters and home energy-management software that orchestrates solar, batteries, EV charging and heat pumps. Europe Norrsken VC
Next Sense Building Decarbonization Tech December 2024 Series A ≈$12,100,000 Provides a smart-building platform using monitoring, simulation and AI controls to reduce building energy use and emissions. Europe ABP; ETF Partners
Raptor Maps Clean Energy Systems December 2024 Series C $35M Provides digital-twin and asset-management software for monitoring and optimizing utility-scale solar fleets. North America Maverix Private Equity
Syro Low Carbon Mobility December 2024 Series A ≈$7,900,000 Provides simulation and optimization software that helps ships reduce fuel consumption and emissions. Europe alter equity
Elyse Energy Industrial Climate Tech December 2024 Growth Equity ≈$126,000,000 Develops production projects for low-carbon e-methanol and sustainable aviation fuel. Europe Not disclosed
EnSights Clean Energy Systems December 2024 Series A $10M Provides AI software for monitoring and optimizing the performance of renewable-energy assets. North America JAL Ventures; XT VC
Heirloom Carbon Removal Platforms December 2024 Series B $150M Uses limestone-based direct air capture systems to remove CO₂ permanently from ambient air. North America Future Positive; Lowercarbon Capital
PXP Clean Energy Systems December 2024 Series A ≈$10,000,000 Develops lightweight flexible tandem solar cells combining perovskite and chalcopyrite photovoltaic technologies. Asia-Pacific SoftBank Corp.
Zitara Clean Energy Systems December 2024 Unknown $17M Develops battery-management and control software that improves performance and reliability of stationary energy-storage systems. North America Salesforce Ventures
Acceleron Clean Energy Systems December 2024 Series A $24M Develops muon-catalyzed fusion technology intended to produce low-carbon grid electricity. North America Lowercarbon Capital; Collaborative Fund
Carbmee Industrial Climate Tech December 2024 Series A ≈$21,000,000 Provides enterprise software for measuring supply-chain emissions and managing corporate decarbonization. Europe CommerzVentures
Everest Carbon Carbon Removal Platforms December 2024 Unknown $3M Builds measurement technology for quantifying CO₂ removal from enhanced rock weathering. North America Carbon Removal Partners
metergrid Building Decarbonization Tech December 2024 Seed ≈$3,700,000 Provides software and services for decentralized solar-based tenant electricity systems in multi-unit buildings. Europe Hager
National Renewable Network Clean Energy Systems November 2024 Unknown ≈$2,800,000 Finances and deploys household solar-and-battery systems with no upfront customer payment to expand distributed renewable-energy adoption. Asia-Pacific Club Investible syndicate
Molyon Clean Energy Systems November 2024 Seed $4.6M Develops high-energy-density lithium-sulfur batteries using a molybdenum-disulfide cathode technology. Europe IQ Capital; Plural
Striemo Low Carbon Mobility November 2024 Series A ≈$2,300,000 Develops stable three-wheel electric personal-mobility vehicles for short urban trips. Asia-Pacific Delight Ventures
ALT Mobility Low Carbon Mobility November 2024 Series A $10M Provides leasing, charging, servicing and asset-management infrastructure for commercial electric-vehicle fleets. Asia-Pacific Eurazeo
Reefilla Clean Energy Systems November 2024 Unknown ≈$2,800,000 Builds mobile and stationary energy-storage services using circular and second-life battery systems. Europe CDP Venture Capital (Green Transition Fund-PNRR); HCapital; Azimut (ALIcrowd III); Motor Valley Accelerator
etalytics Industrial Climate Tech November 2024 Series A ≈$2,400,000 Uses AI and digital twins to optimize cooling, heating and industrial energy systems for lower electricity use and emissions. Europe Alstin Capital; ebm-papst
HyperHeat Industrial Climate Tech November 2024 Unknown ≈$2,700,000 Develops renewable-electric industrial heaters capable of replacing fossil-fuel burners at temperatures up to roughly 2,000°C. Europe Amadeus APEX Technology Fund
Svante Industrial Climate Tech November 2024 Growth Equity ≈$20,700,000 Manufactures solid-sorbent filters and modular contactors for capturing CO₂ from industrial emissions. North America Not disclosed
METRON Industrial Climate Tech November 2024 Growth Equity ≈$23,000,000 Provides digital energy-management and optimization software for industrial facilities to reduce energy consumption and emissions. Europe GET Fund
Candela Low Carbon Mobility November 2024 Series C $14M Develops battery-electric hydrofoil boats and ferries that sharply reduce energy use in waterborne transport. Europe SEB Private Equity
Epic Cleantec Climate Adaptation Solutions November 2024 Series B $12M Builds onsite water-reuse systems that recycle wastewater within buildings to reduce potable-water demand and improve resilience. North America Family office of Drs. Kathy Fields and Garry Rayant
Liquid Wind Industrial Climate Tech November 2024 Series C ≈$27,000,000 Develops commercial-scale renewable eMethanol plants for shipping and other hard-to-abate uses. Europe Uniper; HYCAP Fund I SCSp; Samsung Ventures
Tokamak Energy Clean Energy Systems November 2024 Growth Equity $125M Develops compact fusion-energy systems and high-temperature superconducting magnet technology. Europe East X Ventures; Lingotto Investment Management
Vecmocon Low Carbon Mobility November 2024 Series A $10M Develops battery-management, vehicle-intelligence and charging electronics for electric two- and three-wheel vehicles. Asia-Pacific Ecosystem Integrity Fund
Ecolectro Clean Energy Systems November 2024 Series A $10.5M Develops anion-exchange-membrane electrolyzers designed to lower the cost and material intensity of green-hydrogen production. North America Toyota Ventures
Elicit Plant Climate Adaptation Solutions November 2024 Series B $48M Develops phytosterol-based crop biosolutions that reduce water demand and improve crop resilience to drought and environmental stress. Europe Carbyne Equity Partners
ePlaneAI Low Carbon Mobility November 2024 Series B $14M Develops battery-electric eVTOL aircraft for short-distance urban passenger transportation. Asia-Pacific Speciale Invest; Antares Ventures
Vaulted Deep Carbon Removal Platforms November 2024 Series A $32.3M Permanently stores carbon-rich organic waste underground as a biomass carbon-removal and storage service. North America Prelude Ventures
Woltair Building Decarbonization Tech November 2024 Series B Not Disclosed Digitizes and delivers residential heat-pump and solar installations through a software-enabled installer network. Europe Fifth Wall
Feld Energy Clean Energy Systems November 2024 Seed ≈$2,800,000 Develops agrivoltaic projects that combine agricultural land use with renewable solar-electricity generation. Europe HV Capital
Gazelle Wind Power Clean Energy Systems November 2024 Unknown ≈$22,100,000 Develops modular floating offshore-wind platforms for deployment in deep-water wind projects. Europe Indico Capital Partners
OpenAirlines Low Carbon Mobility November 2024 Growth Equity ≈$27,000,000 Provides flight-operations optimization software that reduces airline fuel consumption and CO₂ emissions. Europe Eiffel Investment Group
Sympower Clean Energy Systems November 2024 Series B ≈$22,600,000 Operates demand-response, battery and renewable-asset flexibility services that balance electricity grids and support renewable integration. Europe A&G Energy Transition Tech Fund
Anthrogen Industrial Climate Tech November 2024 Seed $4M Engineers microbes and enzymes to convert captured atmospheric carbon into low-carbon chemicals and fuels. North America ReGen Ventures; BoxGroup
Copernic Catalysts Industrial Climate Tech November 2024 Seed $8M Develops catalysts intended to reduce the energy and emissions intensity of ammonia, fuels and industrial chemical production. North America Breakout Ventures
General Galactic Industrial Climate Tech November 2024 Seed $8M Converts captured industrial CO₂ and low-carbon hydrogen into fossil-free synthetic natural gas. North America Harpoon Ventures; Refactor Capital
Helix Earth Technologies Building Decarbonization Tech November 2024 Seed $5.6M Develops retrofit HVAC technology that reduces the energy required for cooling and dehumidification in commercial buildings. North America Veriten
Klim Climate Adaptation Solutions November 2024 Series A $22M Provides a regenerative-agriculture platform that helps farmers improve soil resilience and food companies reduce agricultural supply-chain emissions. Europe BNP Paribas
KUGU Building Decarbonization Tech November 2024 Series A ≈$2,000,000 Provides connected controls and software that monitor and automatically optimize heating systems in existing buildings. Europe Tengelmann Ventures; Gewobag ID
tozero Industrial Climate Tech November 2024 Seed ≈$21,700,000 Recycles lithium-ion batteries to recover lithium and other critical materials for new battery production. Europe NordicNinja
DREM Building Decarbonization Tech November 2024 Unknown ≈$2,070,000 Digitizes heat-pump sales, installation and smart operation to reduce residential heating emissions and energy use. Europe Not disclosed
Glint Solar Clean Energy Systems November 2024 Series A $8M Provides software for solar developers to identify, evaluate and pre-design solar and battery-storage sites. Europe Smedvig Ventures
ZE Energy Clean Energy Systems November 2024 Growth Equity ≈$28,000,000 Develops hybrid solar-plus-battery power plants designed to deliver controllable renewable electricity. Europe Amundi Transition Énergétique
Ampd Energy Clean Energy Systems November 2024 Series B $27.3M Manufactures battery energy-storage systems that replace diesel generators on construction and other heavy-industry sites. Asia-Pacific Kibo Invest; Openspace
Artio Carbon Removal Platforms November 2024 Seed ≈$215,000 Provides insurance and risk analytics designed to make early-stage carbon-removal projects more financeable. Europe Lifetime Ventures
CrewCarbon Carbon Removal Platforms November 2024 Seed $5.3M Integrates enhanced-weathering systems into wastewater treatment plants to remove and durably store biogenic CO₂. North America Counteract Partners
SeaO2 Carbon Removal Platforms November 2024 Seed ≈$2,180,000 Develops electrochemical Direct Ocean Capture technology that extracts CO₂ from seawater for storage or use. Europe Not disclosed
Transaera Building Decarbonization Tech November 2024 Seed $8.2M Develops energy-efficient air-conditioning and dehumidification systems using advanced moisture-removal materials. North America Clean Energy Ventures
Zerotude Building Decarbonization Tech November 2024 Unknown ≈$250,000 Provides software and services for property owners to plan and execute building-energy and decarbonization improvements. Europe Not disclosed
Beta Technologies Low Carbon Mobility October 2024 Series C $318M Develops electric aircraft and charging infrastructure for zero-emission aviation. North America Qatar Investment Authority
Delos Climate Adaptation Solutions October 2024 Series A $9M Uses wildfire-risk modeling to provide property insurance in areas increasingly exposed to climate-driven wildfire risk. North America HSBC Asset Management
Flower Clean Energy Systems October 2024 Series A ≈$21,700,000 Owns and optimizes battery-storage and flexible energy assets for electricity grids. Europe Northzone
LuxWall Building Decarbonization Tech October 2024 Series B $51M Manufactures vacuum-insulating glazing that reduces heating and cooling energy loss through windows. North America Climate Investment; Barclays Sustainable Impact Capital
RedoxBlox Industrial Climate Tech October 2024 Series A $30M Stores electricity as high-temperature thermochemical energy for industrial heat and long-duration grid storage. North America Prelude Ventures
NetZero Carbon Removal Platforms October 2024 Series A ≈$7,600,000 Produces biochar from agricultural residues to durably remove atmospheric carbon and improve soils. Europe Not disclosed
Beyond Aero Low Carbon Mobility October 2024 Series A $20M Develops hydrogen-electric business aircraft intended to eliminate in-flight CO2 emissions. Europe Giant Ventures; Bpifrance Deep Tech 2030
Vamo Building Decarbonization Tech October 2024 Seed ≈$7,600,000 Installs and services residential heat pumps to replace fossil-fuel heating systems. Europe Not disclosed
Pacific Fusion Clean Energy Systems October 2024 Series A >$900,000,000 Develops pulsed-magnetic fusion systems for zero-carbon electricity generation. North America General Catalyst
Aether Clean Energy Systems October 2024 Seed $2.5M Automates rooftop-solar design and workflow for solar installers using AI. Europe noa
Planetary Technologies Carbon Removal Platforms October 2024 Series A $11.4M Removes atmospheric CO2 through ocean alkalinity enhancement while counteracting ocean acidification. North America Evok Innovations
Adden Energy Low Carbon Mobility October 2024 Series A $15M Develops fast-charging solid-state batteries aimed primarily at electric vehicles. North America At One Ventures
Autarkize Industrial Climate Tech October 2024 Seed ≈$2,500,000 Converts biogenic residues into renewable gas, industrial heat and carbon-storing biochar. Europe HTGF
BasiGo Low Carbon Mobility October 2024 Series A $24M Supplies electric buses, charging infrastructure and pay-as-you-drive financing for African bus operators. Africa Africa50
CaliCat Clean Energy Systems October 2024 Series A $3M Develops low-iridium and iridium-free catalyst components for green-hydrogen PEM electrolyzers. North America Not disclosed
Dunia Industrial Climate Tech October 2024 Unknown $11.5M Uses AI and autonomous laboratories to discover electrocatalysts for green hydrogen, ammonia and low-carbon chemicals. Europe Elaia; redalpine
Matteco Clean Energy Systems October 2024 Series A ≈$16,300,000 Manufactures catalyst and electrode materials that improve green-hydrogen electrolyzer performance. Europe Not disclosed
measurable.energy Building Decarbonization Tech October 2024 Series A ≈$5,200,000 Uses smart sockets and software to automatically reduce wasted plug-load electricity in buildings. Europe Vertex Exploratory Fund; Clean Growth Fund
MobilityPlus Low Carbon Mobility October 2024 Growth Equity ≈$43,600,000 Operates managed EV-charging infrastructure, charging services and smart energy management for businesses. Europe Not disclosed
mondas Clean Energy Systems October 2024 Series A ≈$4,900,000 Optimizes photovoltaic, CHP, heating and district-energy assets through operational analytics software. Europe badenova AG & Co.
Redaptive Building Decarbonization Tech October 2024 Growth Equity $100M Finances and deploys energy-efficiency, metering and electrification upgrades for commercial and industrial buildings. North America Not disclosed
Turnover Labs Industrial Climate Tech October 2024 Seed $1.4M Uses electrochemistry to convert captured CO2 into chemicals that replace fossil-derived feedstocks. North America Pace Ventures; GC Ventures
UniFuel Low Carbon Mobility October 2024 Seed $3M Converts renewable feedstocks into lower-cost sustainable aviation fuel using its Flexiforming process. North America TO VC
Nevoya Low Carbon Mobility October 2024 Seed $3M Operates an electric heavy-duty freight fleet supported by software for vehicle and charging optimization. North America Third Sphere; RedBlue Capital
PIONIERKRAFT Clean Energy Systems October 2024 Series A Not Disclosed Enables apartment buildings to share locally generated rooftop-solar electricity among tenants. Europe First Imagine!
OOYOO Industrial Climate Tech October 2024 Seed $3.1M Develops high-selectivity membrane systems for lower-cost industrial CO2 capture and separation. Asia-Pacific Kyoto University Innovation Capital
Iron Fuel Technology Industrial Climate Tech October 2024 Series A ≈$12,000,000 Uses recyclable iron powder as a carbon-free fuel for high-temperature industrial heat. Europe Not disclosed
Roofsol Clean Energy Systems October 2024 Growth Equity ≈$3,030,000 Develops, finances, installs and operates commercial and industrial solar systems. Asia-Pacific Not disclosed
Survoltage Clean Energy Systems October 2024 Unknown ≈$820,000 Controls household and commercial electricity loads to shift consumption toward lower-cost, lower-carbon periods. Europe Not disclosed
terralayr Clean Energy Systems October 2024 Unknown ≈$67,600,000 Owns, aggregates and digitally dispatches grid-scale battery-storage capacity. Europe Not disclosed
TheStorage Industrial Climate Tech October 2024 Seed ≈$1,090,000 Stores renewable electricity as high-temperature heat in sand for industrial process heat and steam. Europe 2C Ventures
1s1 Energy Clean Energy Systems October 2024 Seed $1.4M Develops materials and electrolyzer technologies aimed at lowering the cost of green hydrogen. North America Faber; Asiri LLC
Aira Building Decarbonization Tech October 2024 Series B ≈$68,700,000 Supplies and installs residential heat pumps and related home-electrification systems. Europe Not disclosed
CorPower Ocean Clean Energy Systems October 2024 Series B ≈$34,900,000 Develops wave-energy converters that generate renewable electricity from ocean waves. Europe NordicNinja VC; SEB Greentech; EIT InnoEnergy
King Energy Clean Energy Systems October 2024 Seed $10M Finances, installs and bills solar power for multi-tenant commercial properties. North America ArcTern Ventures
Octavia Carbon Carbon Removal Platforms October 2024 Seed $3.9M Removes atmospheric CO2 using direct-air capture and stores it through geological mineralization. Africa Lateral Frontiers; E4E Africa
Treehouse Building Decarbonization Tech October 2024 Series A $16.6M Automates and installs residential and fleet electrification projects including EV charging and electrical upgrades. North America Flourish Ventures
X-energy Clean Energy Systems October 2024 Series C ≈$500,000,000 Develops small modular nuclear reactors and TRISO nuclear fuel for carbon-free electricity and industrial heat. North America Not disclosed
EnviCore Industrial Climate Tech October 2024 Seed ≈$3,100,000 Produces low-carbon supplementary cementitious materials from recycled mineral feedstocks. North America Not disclosed
Equilibrium Energy Clean Energy Systems October 2024 Series B $39M Optimizes and trades battery storage and clean-power assets in wholesale electricity markets. North America DCVC
Green Gravity Clean Energy Systems October 2024 Series A ≈$6,000,000 Builds gravity-based long-duration energy storage in disused mine shafts. Asia-Pacific BlueScopeX
Grid Africa Clean Energy Systems October 2024 Unknown ≈$2,800,000 Develops distributed solar and hybrid renewable-energy systems for commercial and industrial customers. Africa Not disclosed
Liminal Low Carbon Mobility October 2024 Unknown $10M Provides battery-manufacturing inspection and intelligence systems for EV and clean-energy cells. North America Not disclosed
Nomos Energy Clean Energy Systems October 2024 Seed $2.1M Provides an electricity-management API connecting dynamic power tariffs with EVs, heat pumps and solar assets. Europe Speedinvest
OroraTech Climate Adaptation Solutions October 2024 Series B ≈$27,200,000 Uses thermal-imaging satellites and AI to detect, track and predict wildfires. Europe Korys; European Circular Bioeconomy Fund; Bayern Kapital
Power Roll Clean Energy Systems October 2024 Unknown ≈$5,600,000 Develops lightweight flexible thin-film photovoltaic modules for low-cost solar generation. Europe Not disclosed
REsurety Clean Energy Systems October 2024 Series C $32M Provides software, analytics and transaction infrastructure for clean-power buyers, sellers and investors. North America S2G Ventures; Citi
Aerleum Industrial Climate Tech October 2024 Seed $6M Integrates CO2 capture and conversion to produce low-carbon synthetic fuels and chemicals. Europe 360 Capital; HTGF
Concretene Industrial Climate Tech October 2024 Seed ≈$3,900,000 Develops graphene-enhanced concrete admixtures that reduce cement requirements and embodied emissions. Europe Molten Ventures; LocalGlobe
Bacta Industrial Climate Tech October 2024 Seed ≈$3,600,000 Uses engineered microbes to make low-carbon natural-rubber alternatives through biosynthesis. Europe OVNI Capital
Carbogenics Industrial Climate Tech October 2024 Unknown ≈$640,000 Converts difficult organic waste into carbon-rich biochar used to improve anaerobic digestion and wastewater treatment. Europe Not disclosed
Scope3 Industrial Climate Tech October 2024 Unknown $25M Measures and reduces emissions from digital advertising, media and AI infrastructure. North America GV
Altris Clean Energy Systems October 2024 Series B ≈$14,500,000 Develops sodium-ion battery cathode materials and cell technology for stationary and mobility applications. Europe Not disclosed
Form Energy Clean Energy Systems October 2024 Series D+ $405M Makes iron-air batteries designed to store renewable electricity for multiple days. North America T. Rowe Price
Paebbl Carbon Removal Platforms October 2024 Series A $25M Mineralizes captured CO2 into durable carbon-storing construction materials. Europe Capnamic
Airloom Energy Clean Energy Systems October 2024 Seed $7.5M Develops compact wind-turbine systems designed to reduce the cost and material intensity of wind power. North America Lowercarbon Capital
Blue Energy Clean Energy Systems October 2024 Series A $45M Develops modular nuclear power plants using shipyard manufacturing to lower construction cost and time. North America Engine Ventures; At One Ventures
Irasus Clean Energy Systems October 2024 Seed >$475,000 Provides battery intelligence and analytics for EV and stationary energy-storage systems. Asia-Pacific IAN Group
Synergi Clean Energy Systems October 2024 Seed ≈$2,200,000 Aggregates home energy assets such as EV chargers and heat pumps into virtual power plants. Europe Greencode Ventures
Carbon Neutral Fuels Low Carbon Mobility October 2024 Unknown ≈$1,300,000 Develops synthetic sustainable aviation fuel produced from captured carbon and renewable energy. Europe Not disclosed
Heliene Clean Energy Systems October 2024 Growth Equity Up To $54,000,000 Manufactures photovoltaic modules for utility and distributed solar projects. North America Transition Equity Partners
Purpose Green Building Decarbonization Tech October 2024 Seed $15M Plans, finances and executes energy retrofits that decarbonize existing buildings. Europe Fifth Wall
Voltfang Clean Energy Systems October 2024 Series A >$7,600,000 Builds stationary battery-storage systems using second-life and surplus EV batteries. Europe FORWARD.one
Ekolution Building Decarbonization Tech October 2024 Unknown ≈$2,400,000 Produces hemp-based insulation and construction materials designed to reduce building embodied carbon. Europe Not disclosed
Green Genius Clean Energy Systems October 2024 Growth Equity Up To ≈$109,000,000 Develops, builds and operates solar, wind and energy-storage projects. Europe Not disclosed
Paren Low Carbon Mobility October 2024 Seed $3M Provides EV-charging data and reliability intelligence for operators, automakers and charging applications. North America Base10 Partners
Qovoltis Low Carbon Mobility October 2024 Series B ≈$49,100,000 Builds and operates smart charging infrastructure for electric vehicles. Europe Not disclosed
SuperNode Clean Energy Systems October 2024 Unknown ≈$8,700,000 Develops superconducting electricity-transmission cables for high-capacity renewable-power grids. Europe Not disclosed
Anaphite Low Carbon Mobility October 2024 Series A ≈$13,500,000 Develops dry-electrode manufacturing technology designed to cut EV-battery production energy and cost. Europe World Fund; Maniv
Mysa Building Decarbonization Tech October 2024 Series B ≈$8,100,000 Makes smart thermostats that optimize electric heating and cooling and support grid flexibility. North America Climate Innovation Capital
Neutreeno Industrial Climate Tech October 2024 Seed $5M Models industrial supply-chain emissions and identifies interventions to reduce Scope 3 carbon. Europe Regeneration.VC
SUN METALON Industrial Climate Tech October 2024 Series A $17.7M Develops zero-fossil-fuel metal-heating and recycling systems for lower-carbon metal manufacturing. North America Not disclosed
Acceleron Fusion Clean Energy Systems October 2024 Unknown $15M Develops muon-catalyzed fusion systems intended to produce carbon-free energy. North America Not disclosed
Cool Planet Technologies Industrial Climate Tech October 2024 Series A ≈$25,800,000 Develops low-energy membrane systems for capturing CO2 from industrial exhaust streams. Europe Taranis Carbon Ventures
Polarium Clean Energy Systems October 2024 Growth Equity ≈$48,000,000 Makes lithium-ion battery energy-storage systems for telecom, commercial and grid applications. Europe Not disclosed
Anaphite Low Carbon Mobility September 2024 Series A $13.7M Develops dry-coating precursor materials and processes designed to reduce the energy and cost of EV battery manufacturing. Europe World Fund; Maniv
Utility Global Industrial Climate Tech September 2024 Series C $53M Develops reactors that convert industrial off-gases into hydrogen while producing concentrated CO2 streams for capture. North America OPG Pension Plan
Dandelion Energy Building Decarbonization Tech September 2024 Series C $40M Designs and installs residential geothermal heat-pump systems that replace fossil-fuel heating and conventional cooling. North America GV
Cariqa Low Carbon Mobility September 2024 Seed ≈$1,100,000 Operates a marketplace connecting EV drivers directly with charge-point operators for transparent and dynamic charging prices. Europe Not disclosed
David Energy Clean Energy Systems September 2024 Series A $23M Operates a software-enabled clean-electricity retailer that coordinates distributed batteries, solar and EV loads with the power grid. North America Cathay Innovation
DeepDrive Low Carbon Mobility September 2024 Series B ≈$33,500,000 Develops high-efficiency dual-rotor electric motors intended to increase EV range and reduce powertrain cost. Europe Leitmotif
Hgen Industrial Climate Tech September 2024 Seed $5M Develops high-power-density alkaline electrolyzers for producing clean hydrogen and oxygen for heavy industrial processes. North America Seven Seven Six
Phlair Carbon Removal Platforms September 2024 Seed ≈$13,400,000 Develops hydrolyzer-based direct-air-capture systems for removing CO2 from ambient air using flexible renewable electricity. Europe Extantia Capital
Twelve Industrial Climate Tech September 2024 Series C ≈$200,000,000 Uses electrochemistry to convert captured CO2 into sustainable aviation fuel and low-carbon chemicals. North America TPG
AIR COMPANY Low Carbon Mobility September 2024 Series B $69M Converts captured CO2 into sustainable aviation fuel and other low-carbon chemicals using its carbon-conversion process. North America Avfuel
CarbonEthics Carbon Removal Platforms September 2024 Seed $2.1M Develops tech-enabled blue-carbon, peatland and forest restoration projects designed to generate measurable climate mitigation. Asia-Pacific Intudo Ventures
Voltfang Clean Energy Systems September 2024 Series A >≈$7,800,000 Builds commercial and grid-scale energy-storage systems using repurposed electric-vehicle batteries. Europe FORWARD.one
Battolyser Systems Clean Energy Systems September 2024 Series A ≈$16,600,000 Develops integrated alkaline electrolyzer-battery systems for flexible green-hydrogen production from intermittent renewable power. Europe Not disclosed
Bling Energy Clean Energy Systems September 2024 Seed ≈$2,200,000 Provides subscription-based distributed solar installations designed to remove upfront costs for customers. Europe Joaquim Sérvulo Rodrigues; José de Mello family members
Brineworks Industrial Climate Tech September 2024 Unknown ≈$2,200,000 Develops seawater electrolysis technology to extract CO2 and hydrogen as low-carbon feedstocks for e-fuels. Europe Pale Blue Dot
Circe Bioscience Industrial Climate Tech September 2024 Seed $5M Uses gas fermentation to manufacture carbon-negative oils and other industrial molecules from carbon-containing gases. North America Not disclosed
Exergy3 Industrial Climate Tech September 2024 Seed ≈$1,310,000 Builds ultra-high-temperature thermal-energy-storage systems that convert renewable electricity into industrial process heat. Europe Zero Carbon Capital
Symbiobe Industrial Climate Tech September 2024 Series A ≈$5,600,000 Uses marine photosynthetic bacteria to fix industrial CO2 and nitrogen and convert them into lower-carbon materials and agricultural inputs. Asia-Pacific Not disclosed
ZeroAvia Low Carbon Mobility September 2024 Series C $34M Develops hydrogen-electric propulsion systems intended to eliminate operational emissions from commercial aircraft. North America Not disclosed
OpConnect Low Carbon Mobility September 2024 Unknown $5.3M Provides EV-charging hardware, installation and network-management software for fleets and multifamily properties. North America The 22 Fund
PowerX Clean Energy Systems September 2024 Series C ≈$17,300,000 Develops and manufactures large-scale battery storage systems, EV chargers and related electrification technology. Asia-Pacific Not disclosed
Clean Electric Low Carbon Mobility September 2024 Series A $6M Develops fast-charging battery packs and energy-storage technology with a primary focus on electric vehicles. Asia-Pacific Info Edge Ventures; pi Ventures; Kalaari Capital
Number 8 Bio Industrial Climate Tech September 2024 Seed ≈$4,640,000 Develops livestock feed additives designed to sharply reduce enteric methane emissions from cattle and other ruminants. Asia-Pacific Main Sequence
24M Technologies Clean Energy Systems September 2024 Series D+ $87M Develops semi-solid lithium-ion battery manufacturing technology for electric mobility and stationary energy storage. North America Nuovo Plus
Entalpic Industrial Climate Tech September 2024 Seed ≈$9,400,000 Uses generative AI to discover materials and catalysts intended to decarbonize industrial chemistry. Europe Breega; Cathay Innovation; Felicis
Mantel Industrial Climate Tech September 2024 Series A $30M Develops high-temperature molten-borate carbon-capture systems for heavy industrial facilities. North America Shell Ventures; Eni Next
Reonic Clean Energy Systems September 2024 Series A ≈$14,400,000 Provides software for installers to plan, sell and deploy solar, heat-pump, storage and other distributed-energy systems. Europe Northzone
Carbyon Carbon Removal Platforms September 2024 Series A ≈$16,900,000 Develops fast-swing direct-air-capture systems designed to remove atmospheric CO2 at lower energy and equipment cost. Europe Not disclosed
Citroniq Industrial Climate Tech September 2024 Series A $12M Develops low-carbon and carbon-negative polypropylene production using bio-based ethanol and carbon-management technology. North America Not disclosed
Renewable Metals Industrial Climate Tech September 2024 Seed ≈$5,500,000 Develops an alkali-based process for recovering critical minerals from end-of-life lithium-ion batteries. Asia-Pacific Not disclosed
Last Energy Clean Energy Systems August 2024 Series B $40M Develops modular micro-scale nuclear power plants based on pressurized-water reactor technology. North America Gigafund
Sunswap Low Carbon Mobility August 2024 Series B ≈$22,800,000 Develops battery-electric transport-refrigeration systems that replace diesel-powered refrigeration units on trucks and trailers. Europe BGF
Calectra Industrial Climate Tech August 2024 Seed $1.6M Develops thermal-energy-storage technology that converts electricity into high-temperature industrial process heat. North America Lifeline Ventures
Deep Fission Clean Energy Systems August 2024 Seed $4M Develops small nuclear reactors designed for installation deep underground in boreholes. North America 8VC
Grid Status Clean Energy Systems August 2024 Unknown $8M Provides real-time and historical electricity-grid data and analytics for power-market participants. North America Energize Capital
Optiml Building Decarbonization Tech August 2024 Seed $4M Provides software for real-estate owners to plan building renovations and investment pathways toward net-zero emissions. Europe BitStone Capital
UP Catalyst Industrial Climate Tech August 2024 Seed ≈$2,600,000 Converts captured CO2 into carbon materials used as battery and advanced-material feedstocks. Europe Not disclosed
Fortera Industrial Climate Tech August 2024 Series C $85M Develops technology for manufacturing low-carbon cement by mineralizing CO2 within cement production. North America Not disclosed
Power to Hydrogen Clean Energy Systems August 2024 Series A >$28,000,000 Develops high-efficiency electrolyzers for producing clean hydrogen from renewable electricity. North America Rev1 Ventures; Worthington Enterprises
Root Global Industrial Climate Tech August 2024 Seed ≈$2,800,000 Provides software for food and agriculture companies to measure supply-chain emissions and implement decarbonization measures. Europe Point Nine
DRIFT Energy Clean Energy Systems August 2024 Seed ≈$2,000,000 Develops wind-powered sailing vessels that generate green hydrogen at sea. Europe Octopus Ventures
Intramotev Low Carbon Mobility August 2024 Series A $14.4M Develops battery-electric autonomous railcars and retrofit systems to decarbonize freight rail. North America Flybridge Capital Partners; Alpaca VC
Aalo Atomics Clean Energy Systems August 2024 Series A $27M Develops factory-manufactured small nuclear fission reactors for low-carbon electricity and heat. North America 50Y; Valor Equity Partners
Flower Clean Energy Systems August 2024 Series A ≈$27,500,000 Aggregates batteries and other flexible energy assets to optimize electricity markets and provide grid-balancing services. Europe Northzone
Clearly Low Carbon Mobility August 2024 Seed $4.3M Provides AI-driven emissions intelligence that helps transport fleets measure and reduce energy use and CO2 emissions. Europe Pace Ventures; Nine Realms
Fresh Bus Low Carbon Mobility August 2024 Series A $10.5M Operates an all-electric intercity bus network in India. Asia-Pacific Maniv
Florrent Clean Energy Systems August 2024 Seed $3.6M Develops plant-derived activated-carbon materials for high-performance supercapacitors used in grid and electrification applications. North America MassVentures
Gaussion Clean Energy Systems August 2024 Series A $12M Develops magnetic-field technology that accelerates lithium-ion battery charging while limiting degradation. Europe Autotech Ventures
Open Access Energy Clean Energy Systems August 2024 Seed $750K Provides software for renewable-electricity wheeling, energy transactions and grid-energy management. Africa Not disclosed
Cocoon Carbon Industrial Climate Tech August 2024 Seed $5.4M Converts electric-arc-furnace steel slag into a low-carbon cement substitute for concrete production. Europe Not disclosed
SYSO Technologies Clean Energy Systems August 2024 Series B $14.5M Operates and optimizes renewable-generation and battery-storage assets in wholesale power markets. North America Kimmeridge
Branch Energy Clean Energy Systems August 2024 Series A $10.8M Supplies clean electricity and uses software, distributed batteries and demand management to reduce grid costs and emissions. North America Prelude Ventures
Cala Systems Building Decarbonization Tech August 2024 Seed $5.6M Develops intelligent heat-pump water heaters that optimize household hot-water heating for energy and emissions reduction. North America Massachusetts Clean Energy Center; Clean Energy Venture Group
Climatize Clean Energy Systems August 2024 Seed $1.8M Operates an investment platform that channels retail capital directly into renewable-energy projects. North America Myriad Venture Partners
Axle Energy Clean Energy Systems August 2024 Seed $9M Provides software connecting EVs, batteries, heat pumps and other flexible energy assets to electricity markets for grid balancing. Europe Accel
Sora Fuel Low Carbon Mobility August 2024 Seed $6M Develops sustainable aviation fuel from atmospheric CO2, water and renewable electricity. North America The Engine Ventures
TerraWave Energy Clean Energy Systems August 2024 Seed $3.9M Develops geothermal-energy technology intended to expand economically accessible geothermal power resources. Middle East Square One Labs
Applied Carbon Carbon Removal Platforms July 2024 Series A $21.5M Builds mobile pyrolysis machines that convert crop residues into durable biochar directly on farms. North America TO VC
Amperecloud Clean Energy Systems July 2024 Series A ≈$3,570,000 Provides software and hardware for monitoring, controlling and operating renewable-power and battery-storage portfolios. Europe Encevo
Graphyte Carbon Removal Platforms July 2024 Series A $30M Permanently removes atmospheric carbon by drying, compacting and storing carbon-rich biomass underground. North America Prelude Ventures; Carbon Direct Capital
Type One Energy Clean Energy Systems July 2024 Seed $53.5M Develops stellarator-based nuclear-fusion systems for commercial zero-carbon electricity generation. North America Breakthrough Energy Ventures
Greenely Clean Energy Systems July 2024 Series A ≈$8,700,000 Operates a home-energy-management and virtual-power-plant platform connecting flexible household energy assets. Europe Korys
Addionics Low Carbon Mobility July 2024 Series B $39M Manufactures 3D battery current collectors designed to improve EV battery performance and manufacturing economics. Europe GM Ventures; Deep Insight
Renewabl Clean Energy Systems July 2024 Seed Not Disclosed Provides software for traceable, hourly matched renewable-electricity procurement and clean-energy certificates. Europe Helen Ventures
Splight Clean Energy Systems July 2024 Seed $12M Uses AI-driven grid-control software to increase transmission utilization and reduce renewable-energy curtailment. North America noa
Cowboy Clean Fuels Clean Energy Systems July 2024 Series B ≈$13,000,000 Produces carbon-negative renewable natural gas while permanently sequestering biogenic CO2 in geologic formations. North America Machan Investments
Marathon Fusion Clean Energy Systems July 2024 Seed $5.9M Develops high-throughput fuel-processing systems required for commercial fusion power plants. North America 1517 Fund; Anglo American
Again Industrial Climate Tech July 2024 Series A $43M Ferments captured industrial CO2 into low-carbon chemicals that replace fossil-derived chemical feedstocks. Europe GV; HV Capital
Earthshot Labs Carbon Removal Platforms July 2024 Series A $5.5M Provides software, ecological analytics and project-development infrastructure for nature-based carbon projects. North America Acorn Pacific Ventures
ECO2GROW Clean Energy Systems July 2024 Seed ≈$4,340,000 Aggregates SME electricity demand so businesses can procure renewable power directly through virtual PPAs. Europe Not disclosed
Quatt Building Decarbonization Tech July 2024 Growth Equity ≈$27,200,000 Designs and sells smart heat-pump systems for replacing fossil-fuel residential heating. Europe Blue Earth Capital
Rhizome Climate Adaptation Solutions July 2024 Unknown $1M Provides climate-resilience planning software for electric utilities, including wildfire-risk mitigation. North America Convective Capital
Heimdall Power Clean Energy Systems July 2024 Series B $25M Supplies grid sensors and software that increase the usable transmission capacity of existing power lines. Europe ORLEN; NRP Zero; Steinsvik Family Office
NovoNutrients Industrial Climate Tech July 2024 Series A $10.3M Uses microbes to convert industrial CO2 and hydrogen into protein ingredients. North America Woodside Energy; CM Venture Capital
44.01 Carbon Removal Platforms July 2024 Series A $37M Permanently stores captured CO2 by accelerating its mineralisation in reactive rock formations. Middle East Equinor Ventures; Shorooq Partners
Naked Energy Building Decarbonization Tech July 2024 Series B ≈$21,900,000 Manufactures high-efficiency solar-thermal and hybrid solar collectors for low-carbon heat and electricity. Europe E.ON Energy Infrastructure Solutions
Equinox Ocean Turbines Clean Energy Systems July 2024 Seed ≈$2,600,000 Develops two-stage turbines designed to generate renewable electricity from ocean currents. Europe EIT InnoEnergy
Dynelectro Clean Energy Systems July 2024 Unknown ≈$11,900,000 Develops dynamically operated solid-oxide electrolysers for efficient renewable-hydrogen production. Europe Not disclosed
GIGA Clean Energy Systems July 2024 Growth Equity ≈$27,200,000 Develops, finances and operates commercial solar, battery-storage and charging systems. Europe Ichigo Inc.
Kolum Industrial Climate Tech July 2024 Seed ≈$2,280,000 Provides software for managing EU carbon-border pricing and emissions compliance in international trade. Europe FoodLabs
NLine Energy Industrial Climate Tech July 2024 Growth Equity $11M Converts otherwise-wasted pressure and thermal energy in industrial steam systems into on-site renewable electricity. North America Mirova
KC8 Capture Technologies Industrial Climate Tech July 2024 Unknown ≈$6,750,000 Develops solvent-based post-combustion CO2 capture systems for cement, steel, power and chemical facilities. Asia-Pacific Woodside Energy; Cemex Ventures
Orus Energy Clean Energy Systems July 2024 Seed ≈$2,390,000 Provides demand-side flexibility software that shifts commercial-building electricity use to support renewable-heavy power grids. Europe b2venture; Asterion Ventures
Libattion Clean Energy Systems June 2024 Growth Equity $15M Builds stationary energy-storage systems by repurposing used electric-vehicle batteries for second-life applications. Europe A&G Energy Transition Tech Fund
Li Industries Industrial Climate Tech June 2024 Series B $6M Develops direct lithium-ion battery recycling processes that recover battery-grade materials, including from LFP batteries. North America Not disclosed
Samsara Eco Industrial Climate Tech June 2024 Series A $65M Uses engineered enzymes to break plastics and textiles into reusable feedstocks for circular manufacturing. Asia-Pacific Temasek; Main Sequence
Sila Low Carbon Mobility June 2024 Series D+ $375M Manufactures silicon-dominant anode materials designed to increase energy density and charging performance of EV batteries. North America Sutter Hill Ventures; T. Rowe Price Associates
Vertus Energy Clean Energy Systems June 2024 Seed $9.4M Develops biotechnology that accelerates anaerobic digestion and increases renewable biomethane production from waste. Europe Energy Capital Ventures
Climate X Climate Adaptation Solutions June 2024 Series A $18M Models physical climate hazards and their financial impact on buildings, infrastructure and investment portfolios. Europe GV
Sirona Technologies Carbon Removal Platforms June 2024 Seed $6.4M Develops modular direct-air-capture systems designed to remove CO₂ from ambient air at scale. Europe LocalGlobe; XAnge
Neustark Carbon Removal Platforms June 2024 Growth Equity $69M Permanently stores captured biogenic CO₂ in demolished concrete and other mineral waste through accelerated mineralization. Europe Decarbonization Partners
Travertine Industrial Climate Tech June 2024 Unknown $8.5M Uses electrochemistry to eliminate sulfate waste while producing chemicals and mineral products that can permanently bind CO₂. North America Holcim MAQER Ventures
WattAnyWhere Clean Energy Systems June 2024 Seed $2.5M Develops renewable off-grid power generators designed to supply clean electricity where grid connections are constrained. Europe Not disclosed
Doral Renewables Clean Energy Systems June 2024 Growth Equity $400M Develops, owns and operates utility-scale solar and energy-storage projects across the United States. North America APG
Net Zero Company Carbon Removal Platforms June 2024 Seed $5.5M Provides blockchain-backed access to verified carbon-removal assets and retirement of corresponding removal credits. Europe Not disclosed
Aikido Technologies Clean Energy Systems June 2024 Seed $4M Develops modular floating foundations intended to reduce the cost and manufacturing complexity of offshore wind projects. North America Azolla Ventures
atmio Industrial Climate Tech June 2024 Seed $5.5M Combines methane measurement hardware and software to detect, quantify and document emissions from natural-gas infrastructure. Europe Notion Capital; SquareOne
M2X Energy Industrial Climate Tech June 2024 Series B $40M Builds modular systems that convert stranded and waste methane into lower-carbon methanol instead of venting or flaring it. North America Conifer Infrastructure Partners
Materrup Industrial Climate Tech June 2024 Growth Equity $27.8M Produces low-carbon cement using locally sourced uncalcined clay to reduce emissions from conventional clinker production. Europe Not disclosed
Molten Industries Industrial Climate Tech June 2024 Series A $25M Uses methane pyrolysis to produce low-carbon hydrogen and graphite for heavy industry and battery supply chains. North America Breakthrough Energy Ventures
LD Carbon Industrial Climate Tech June 2024 Series C $28M Recycles end-of-life tires into recovered carbon black and pyrolysis oil, replacing virgin industrial materials. Asia-Pacific Woven Capital
Sesame Sustainability Industrial Climate Tech June 2024 Seed $2.4M Provides software for modelling, optimizing and comparing industrial decarbonization and energy-transition pathways. North America Flybridge; Powerhouse Ventures
Echion Technologies Clean Energy Systems June 2024 Series B $36.8M Develops niobium-based lithium-ion battery anode materials enabling fast charging and long cycle life for electrified equipment. Europe Volta Energy Technologies
Aepnus Industrial Climate Tech June 2024 Seed $8M Develops electrochemical systems that recycle sodium-sulfate waste from battery-material production into reusable chemicals. North America Clean Energy Ventures
MIRICO Industrial Climate Tech June 2024 Unknown $2M Provides laser-based continuous methane detection and quantification systems for industrial and energy facilities. Europe Shell Ventures; New Climate Ventures
Swift Solar Clean Energy Systems June 2024 Series A $27M Develops and manufactures perovskite-based tandem photovoltaic technology for higher-efficiency solar power generation. North America Eni Next; Fontinalis Partners
Battery Smart Low Carbon Mobility June 2024 Series B $65M Operates a battery-swapping network for electric two- and three-wheelers in India. Asia-Pacific LeapFrog Investments
VoltShare Low Carbon Mobility June 2024 Seed $635K Provides EV charging hardware and software for hospitality and destination-charging locations. Europe SFC Capital
Fuuse Low Carbon Mobility June 2024 Series A $11.1M Provides software for managing EV charging infrastructure across fleets, workplaces, destinations and charge-point operators. Europe YFM Equity Partners
Mitiga Solutions Climate Adaptation Solutions June 2024 Series A $8.6M Provides climate-risk analytics that quantify physical hazards to assets and portfolios under changing climate scenarios. Europe Elaia
SiTration Industrial Climate Tech June 2024 Seed $11.8M Uses membrane-based separation technology to recover critical metals from mining and battery-recycling process streams. North America 2150
Decade Energy Low Carbon Mobility June 2024 Seed $3.9M Provides fleet electrification and depot-energy services that help logistics operators replace diesel vehicles with electric fleets. Europe Ananda Impact Ventures; Contrarian Ventures
Xcimer Energy Clean Energy Systems June 2024 Series A $100M Develops high-energy laser systems for inertial-fusion power plants intended to generate carbon-free electricity. North America Hedosophia
ecoLocked Building Decarbonization Tech June 2024 Seed $4.3M Produces carbon-negative concrete additives using biochar to lower embodied construction emissions and permanently store carbon. Europe Matterwave Ventures; Climentum Capital
Gireve Low Carbon Mobility June 2024 Growth Equity $21.4M Operates interoperability, roaming and transaction infrastructure connecting EV charging networks and mobility providers. Europe Not disclosed
iyris Climate Adaptation Solutions June 2024 Series A $16M Develops heat-blocking materials for greenhouses that reduce heat stress, cooling demand and water consumption in hot climates. Middle East Ecosystem Integrity Fund
Plural Energy Clean Energy Systems May 2024 Seed $2.3M Provides an on-chain investment platform for financing renewable-energy projects. North America Necessary Ventures; Compound
Seqana Carbon Removal Platforms May 2024 Seed ≈$2,300,000 Uses satellite imagery and machine learning to measure soil-carbon changes for carbon-farming and removal projects. Europe HTGF; Counteract
Relectrify Clean Energy Systems May 2024 Unknown ≈$11,300,000 Develops cell-level battery-control electronics and software that improve the economics, life and safety of energy-storage systems. Asia-Pacific At One Ventures
Delta Green Clean Energy Systems May 2024 Unknown ≈$2,400,000 Aggregates flexible household electricity assets to balance grids and enable larger shares of renewable generation. Europe Tilia Impact Ventures
Syre Industrial Climate Tech May 2024 Series A $100M Chemically recycles polyester textiles into circular polyester intended to replace emissions-intensive virgin material. Europe TPG Rise Climate
ThinkLabs Clean Energy Systems May 2024 Seed $5M Develops AI-based grid intelligence for planning and operating electricity networks during the energy transition. North America Powerhouse Ventures; Active Impact Investments
Aeromine Technologies Clean Energy Systems May 2024 Series A ≈$9,000,000 Develops motionless rooftop wind-energy systems for distributed renewable electricity generation on commercial buildings. North America Veriten
Reactive Technologies Clean Energy Systems May 2024 Series D+ ≈$31,800,000 Provides real-time grid-stability measurement technology that helps power systems integrate greater shares of renewable generation. Europe M&G Catalyst
i2Cool Building Decarbonization Tech May 2024 Series A ≈$12,800,000 Develops passive radiative-cooling coatings and materials that reduce building cooling-energy demand without electricity. Asia-Pacific Not disclosed
cylib Industrial Climate Tech May 2024 Series A ≈$59,400,000 Recycles lithium-ion batteries through an end-to-end process that recovers lithium, graphite, nickel, cobalt and manganese. Europe World Fund; Porsche Ventures
trawa Clean Energy Systems May 2024 Seed ≈$10,800,000 Supplies renewable electricity and software that optimizes energy purchasing and consumption for SMEs. Europe Balderton Capital
ULEMCo Low Carbon Mobility May 2024 Unknown >≈$6,350,000 Develops hydrogen combustion, dual-fuel and fuel-cell systems for decarbonizing commercial vehicles and heavy equipment. Europe Mercia Ventures
enspired Clean Energy Systems May 2024 Series B ≈$27,500,000 Optimizes batteries and other flexible power assets in electricity markets to support renewable-energy integration. Europe Zouk Capital
Active Surfaces Clean Energy Systems May 2024 Seed $5.6M Develops lightweight flexible photovoltaic modules manufactured using scalable semiconductor-printing processes. North America Safar Partners
Li Industries Industrial Climate Tech May 2024 Series B $36M Develops direct recycling technology for lithium-ion batteries, including lithium iron phosphate batteries. North America Bosch Ventures; Khosla Ventures; LG Technology Ventures
Rize Industrial Climate Tech May 2024 Series A $14M Operates a technology and agronomy platform that reduces methane and water use in rice cultivation. Asia-Pacific Breakthrough Energy Ventures; GenZero; Temasek; Wavemaker Impact
ArkeaBio Industrial Climate Tech May 2024 Series A $26.5M Develops vaccines designed to reduce methane emissions produced by livestock. North America Breakthrough Energy Ventures
Hysata Clean Energy Systems May 2024 Series B $111.3M Develops high-efficiency capillary-fed electrolyzers for lower-cost production of green hydrogen. Asia-Pacific bp Ventures; Templewater
Treefera Carbon Removal Platforms May 2024 Series A $12M Provides satellite, AI and data infrastructure for measuring forest, land and carbon assets used in carbon markets. Europe Not disclosed
AlterBiota Industrial Climate Tech May 2024 Seed ≈$2,900,000 Develops bio-graphene concrete admixtures intended to lower cement use and concrete's carbon footprint. North America Invest Nova Scotia
Arbol Climate Adaptation Solutions May 2024 Series B $60M Provides technology-enabled parametric insurance designed to protect businesses against weather and climate risks. North America Giant Ventures; Opera Tech Ventures
Jooules Industrial Climate Tech May 2024 Seed ≈$600,000 Uses gaseous fermentation to convert CO2 emission streams into food-grade protein ingredients. Asia-Pacific Not disclosed
CHARGE ZONE Low Carbon Mobility April 2024 Growth Equity $19M Builds and operates high-speed EV charging networks for cars, buses and trucks. Asia-Pacific Not disclosed
Linova Energy Clean Energy Systems April 2024 Series A $15.8M Develops high-energy polymer-cathode batteries designed to eliminate cobalt, nickel and other critical cathode materials. North America Catalus Capital
Novamea Clean Energy Systems April 2024 Unknown $1.2M Develops anion-exchange-membrane electrolyzer technology for lower-cost production of green hydrogen. Europe Not disclosed
Carbonfact Industrial Climate Tech April 2024 Series A $15M Provides product-level carbon accounting and lifecycle-analysis software specifically for fashion and footwear companies. Europe Alven
Pine Gate Renewables Clean Energy Systems April 2024 Growth Equity $150M Develops, owns and operates utility-scale solar and energy-storage projects across the United States. North America Generate Capital
Kubik Building Decarbonization Tech April 2024 Seed $1.9M Upcycles difficult-to-recycle plastic into low-carbon modular building materials. Africa African Renaissance Partners
goodcarbon Carbon Removal Platforms April 2024 Unknown $1.6M Operates a platform for sourcing and managing high-quality nature-based carbon-credit portfolios. Europe Ocean 14 Capital
Solarge Clean Energy Systems April 2024 Growth Equity $1.2M Manufactures lightweight, low-carbon photovoltaic modules for commercial and industrial rooftops. Europe Not disclosed
Camion Low Carbon Mobility April 2024 Seed $1.9M Provides software that evaluates sites, grid capacity and demand to plan EV charging and property electrification. Europe EQT Ventures
Green Energy Park Clean Energy Systems April 2024 Series A $10M Develops large-scale renewable-hydrogen and hydrogen-derivative production and export infrastructure. Europe Not disclosed
Neot Capital Low Carbon Mobility April 2024 Growth Equity $14M Finances and operates zero-emission mobility assets and charging infrastructure for transport fleets. Europe Not disclosed
Accacia Building Decarbonization Tech April 2024 Unknown $1.5M Provides AI-enabled software for measuring real-estate emissions and planning building decarbonization. Asia-Pacific Illuminate Financial
AQUABATTERY Clean Energy Systems April 2024 Seed $1.4M Develops saltwater flow batteries for long-duration storage of renewable electricity. Europe EIT InnoEnergy
NETA Auto Low Carbon Mobility April 2024 Growth Equity >$290,000,000 Designs and manufactures battery-electric vehicles under the NETA Auto brand. Asia-Pacific Not disclosed
SWTCH Energy Low Carbon Mobility April 2024 Series B $17.2M Provides EV-charging hardware, software and energy-management solutions for multifamily and commercial buildings. North America Blue Earth Capital
Bcomp Industrial Climate Tech April 2024 Series C $10M Develops low-carbon natural-fibre composite materials that replace heavier and more emissions-intensive synthetic composites. Europe EGS Beteiligungen AG
Blykalla Clean Energy Systems April 2024 Series A $1.5M Develops lead-cooled small modular nuclear reactors for low-carbon electricity generation. Europe Norrsken Launcher; Nucleation Capital
Cozero Industrial Climate Tech April 2024 Series A $1M Provides enterprise software for measuring, managing and reducing corporate and product greenhouse-gas emissions. Europe Kvanted Ventures; EnBW New Ventures
GridBeyond Clean Energy Systems April 2024 Series C $15.6M Operates an AI-based smart-grid platform that optimizes distributed energy resources, flexibility and electricity demand. Europe Alantra's Energy Transition Fund, Klima
Quilt Building Decarbonization Tech April 2024 Series A $13M Develops high-efficiency residential heat-pump systems with software-controlled room-by-room heating and cooling. North America Energy Impact Partners; Galvanize Climate Solutions
Sumday Industrial Climate Tech April 2024 Seed $1.5M Provides audit-ready greenhouse-gas accounting software used by businesses, accountants and supply chains. Asia-Pacific Planeteer Capital
Arcadia Clean Energy Systems April 2024 Growth Equity $10M Provides utility-data infrastructure and community-solar services that enable deployment and management of distributed clean-energy solutions. North America Not disclosed
KODE Labs Building Decarbonization Tech April 2024 Series B $10M Provides an autonomous smart-building operating platform that integrates building systems to reduce energy use and emissions. North America Maverix Private Equity
CleanFiber Building Decarbonization Tech April 2024 Series B $18M Manufactures lower-carbon cellulose building insulation from recycled corrugated cardboard. North America Spring Lane Capital
Captura Carbon Removal Platforms April 2024 Series A $11.8M Develops direct-ocean-capture systems that remove CO2 from seawater so the ocean can absorb additional atmospheric CO2. North America Not disclosed
Carrar Low Carbon Mobility April 2024 Series A $1.3M Develops EV battery modules and two-phase immersion thermal-management systems designed to extend battery life and improve safety. Middle East Not disclosed
HYSETCO Low Carbon Mobility April 2024 Growth Equity $117M Operates hydrogen refueling infrastructure and integrated hydrogen-vehicle fleet services for intensive urban mobility. Europe Hy24
Renewance Clean Energy Systems April 2024 Series A $18M Provides lifecycle management, maintenance, commissioning and end-of-life services for industrial batteries used in energy storage and EV applications. North America IMM Investment Hong Kong; RockCreek Group
AVESS Energy Clean Energy Systems April 2024 Series A $155K Develops and manufactures vanadium-redox-flow battery systems for long-duration energy storage. Asia-Pacific Not disclosed
Proxima Fusion Clean Energy Systems April 2024 Seed $11.7M Develops quasi-isodynamic stellarator fusion power plants using high-temperature superconducting magnets. Europe redalpine
SunCulture Climate Adaptation Solutions April 2024 Series B $17.5M Provides solar-powered irrigation systems and related agricultural technology for smallholder farmers. Africa Not disclosed
TES Clean Energy Systems April 2024 Series C $152M Develops large-scale green-hydrogen and renewable e-NG production, transport and import infrastructure. Europe Not disclosed
ION Clean Energy Industrial Climate Tech April 2024 Series A $15M Develops solvent-based post-combustion carbon-capture technology for hard-to-abate industrial emissions. North America Chevron New Energies
Alsym Energy Clean Energy Systems April 2024 Series C $18M Develops non-flammable rechargeable batteries for stationary energy storage, marine and mobility applications without lithium or cobalt. North America Tata Limited; General Catalyst
Polar Night Energy Clean Energy Systems April 2024 Seed $1.2M Develops large-scale sand-based thermal energy storage systems for storing renewable electricity as heat. Europe Jonathan Oppenheimer
Elcogen Clean Energy Systems April 2024 Growth Equity $13.2M Manufactures solid-oxide fuel-cell and electrolyzer cells, stacks and modules for clean power and green hydrogen systems. Europe Not disclosed
Lightshift Energy Clean Energy Systems March 2024 Growth Equity $10M Develops, owns and operates utility-scale battery-energy-storage projects for electric-grid flexibility and renewable integration. North America Not disclosed
Southern Lights Clean Energy Systems March 2024 Seed ≈$2,740,000 Provides software for designing, modelling and assessing the technical and commercial feasibility of green-hydrogen projects. Europe Greencode Ventures
Evari Building Decarbonization Tech March 2024 Seed $7.5M Develops high-efficiency turbocompressors for heat pumps used to electrify residential, commercial and industrial heating and cooling. North America Clean Energy Ventures
Evoloh Clean Energy Systems March 2024 Series A $10M Manufactures high-throughput alkaline electrolyzer stacks designed to lower the cost of low-carbon hydrogen production. North America Engine Ventures
Neocrete Industrial Climate Tech March 2024 Seed $4M Produces a concrete additive that reduces cement requirements and associated embodied-carbon emissions. Asia-Pacific Wavemaker Partners
Eleport Low Carbon Mobility March 2024 Unknown ≈$2,450,000 Develops and operates public EV-charging infrastructure and charging-management services across Central and Eastern Europe. Europe Not disclosed
Planboo Carbon Removal Platforms March 2024 Unknown >$2,100,000 Provides digital MRV infrastructure and project tools for biochar-based durable carbon removal. Europe Not disclosed
Cemvision Industrial Climate Tech March 2024 Seed ≈$20,900,000 Produces ultra-low-carbon cement using alternative raw materials and an electrified, lower-temperature manufacturing process. Europe Not disclosed
Greenly Industrial Climate Tech March 2024 Series B $12M Provides carbon-accounting and decarbonization software that helps businesses measure, manage and reduce greenhouse-gas emissions. Europe Fidelity International Strategic Ventures
AirMyne Carbon Removal Platforms March 2024 Seed $1.9M Develops low-temperature direct-air-capture technology designed to use geothermal or industrial heat. North America Not disclosed
Blixt Clean Energy Systems March 2024 Seed ≈$2,450,000 Develops solid-state circuit breakers and software-defined power systems for flexible, renewable-heavy electricity grids. Europe Union Square Ventures; Energy Revolution Ventures
Candela Low Carbon Mobility March 2024 Unknown ≈$27,000,000 Designs and manufactures battery-electric hydrofoil boats and passenger ferries that reduce marine transport energy use and emissions. Europe Groupe Beneteau
Monaire Building Decarbonization Tech March 2024 Seed $1.5M Uses AI, sensors and automated diagnostics to reduce HVAC and refrigeration energy waste in commercial buildings. North America Construct Capital
Enapi Low Carbon Mobility March 2024 Seed ≈$2,720,000 Provides transaction and connectivity infrastructure linking EV charge-point operators with e-mobility service providers. Europe Project A Ventures
Sprih Industrial Climate Tech March 2024 Seed $1M Provides AI-enabled carbon-accounting and emissions-management software for companies and their supply chains. Asia-Pacific Leo Capital
Mission Zero Technologies Carbon Removal Platforms March 2024 Series A ≈$27,900,000 Develops modular electrochemical direct-air-capture systems for permanent atmospheric CO2 removal. Europe 2150
Novocarbo Carbon Removal Platforms March 2024 Growth Equity ≈$27,250,000 Builds and operates biochar carbon-removal plants that permanently store carbon while supplying renewable heat. Europe Not disclosed
Themo Building Decarbonization Tech March 2024 Unknown ≈$2,420,000 Makes smart electric-heating controls that optimize energy use and aggregate flexible demand for electricity-grid balancing. Europe Sunly
Furno Industrial Climate Tech March 2024 Seed $1.5M Develops compact high-efficiency cement kilns and process technology designed to sharply reduce cement-production emissions. North America Energy Capital Ventures
LOHUM Industrial Climate Tech March 2024 Series B $14M Recycles and repurposes lithium-ion batteries and refines recovered materials for the energy-transition battery supply chain. Asia-Pacific Not disclosed
CarbonCapture Carbon Removal Platforms March 2024 Series A $80M Builds modular direct-air-capture machines that remove CO2 from ambient air for storage or utilization. North America Prime Movers Lab
Quaise Energy Clean Energy Systems March 2024 Series A $21M Develops millimeter-wave drilling technology to access deep geothermal heat and power resources. North America Prelude Ventures; Safar Partners
Suiso Clean Energy Systems March 2024 Unknown ≈$2,840,000 Develops on-site low-carbon hydrogen generators using microwave-driven methane decomposition with solid-carbon capture. Europe Not disclosed
Greenlyte Carbon Technologies Carbon Removal Platforms March 2024 Seed ≈$21,450,000 Develops direct-air-capture systems that remove atmospheric CO2 while producing hydrogen as a by-product. Europe Not disclosed
Phelas Clean Energy Systems March 2024 Seed ≈$2,470,000 Develops long-duration liquid-air energy storage and software for planning renewable-energy and storage deployments. Europe E44 Ventures
Thryve.Earth Carbon Removal Platforms March 2024 Seed $1.6M Develops and manages nature-based carbon-removal projects using remote sensing, ecological science and machine learning. Asia-Pacific Openspace Ventures
Sunfire Clean Energy Systems March 2024 Series D+ ≈$234,000,000 Manufactures industrial alkaline and solid-oxide electrolyzers for renewable hydrogen and syngas production. Europe Not disclosed
Gridcog Clean Energy Systems March 2024 Seed ≈$2,220,000 Provides software for modelling and optimizing distributed clean-energy projects including solar, storage and EV infrastructure. Europe AlbionVC
StormFisher Hydrogen Clean Energy Systems March 2024 Growth Equity ≈$22,100,000 Develops large-scale e-fuel facilities producing low-carbon fuels from renewable electricity. North America Not disclosed
Fervo Energy Clean Energy Systems February 2024 Growth Equity $144M Develops enhanced geothermal systems for round-the-clock carbon-free electricity generation. North America Devon Energy
Smart Joules Building Decarbonization Tech February 2024 Unknown $1M Provides energy-efficiency and cooling-as-a-service systems that reduce electricity use in commercial buildings. Asia-Pacific Not disclosed
Axiom Cloud Building Decarbonization Tech February 2024 Unknown $1M Provides software that detects refrigerant leaks and optimizes commercial refrigeration energy use. North America Toshiba Tec; WindSail Capital
Altilium Clean Energy Systems February 2024 Series A $1.4M Recovers lithium, nickel, cobalt and other battery materials from end-of-life lithium-ion batteries. Europe Not disclosed
Antora Energy Industrial Climate Tech February 2024 Series B $150M Manufactures thermal batteries that store renewable electricity as high-temperature heat for industrial processes. North America Decarbonization Partners
Clairity Technology Carbon Removal Platforms February 2024 Seed $1.8M Develops modular direct-air-capture systems for removing dilute atmospheric CO2. North America Initialized Capital; Lowercarbon Capital
Hohm Energy Clean Energy Systems February 2024 Seed $1M Operates a marketplace and financing platform connecting customers with rooftop-solar installers and equipment. Africa E3 Capital; 4DX Ventures
Varaha Carbon Removal Platforms February 2024 Series A $1.7M Develops and finances agriculture and land projects that reduce or remove greenhouse-gas emissions and generate carbon credits. Asia-Pacific RTP Global
AtmosZero Industrial Climate Tech February 2024 Series A $11M Develops electrified heat-pump boilers that replace fossil-fuel industrial steam generation. North America Engine Ventures; 2150
Banyu Carbon Carbon Removal Platforms February 2024 Seed $1.5M Develops sunlight-driven ocean carbon-dioxide removal technology using seawater chemistry. North America Not disclosed
Arnergy Clean Energy Systems February 2024 Unknown $1M Provides distributed solar, battery and energy-management systems to homes and businesses. Africa Not disclosed
Insight M Industrial Climate Tech February 2024 Series D+ $52M Detects and quantifies methane emissions from oil and gas infrastructure using aerial sensing. North America BlackRock
Sage Geosystems Clean Energy Systems February 2024 Series A $17M Develops geothermal power and subsurface energy-storage systems using engineered wells. North America Not disclosed
Planette Climate Adaptation Solutions February 2024 Seed $2.4M Produces AI-based seasonal weather and climate predictions for organizations exposed to climate-related operational risks. North America Not disclosed
Roam Low Carbon Mobility February 2024 Series A $14M Designs and manufactures electric motorcycles and buses for African transport markets. Africa Equator
Aegir Insights Clean Energy Systems February 2024 Series A $1.2M Provides software, data and investment intelligence specifically for offshore-wind development. Europe Seaya Andromeda
Thea Energy Clean Energy Systems February 2024 Series A $20M Develops stellarator fusion systems for commercial zero-carbon power generation. North America Prelude Ventures
Amperesand Clean Energy Systems February 2024 Seed $12.5M Develops solid-state transformers for flexible, high-capacity renewable and electrified power grids. Asia-Pacific Not disclosed
Avnos Carbon Removal Platforms February 2024 Series A $36M Develops hybrid direct-air-capture systems that remove atmospheric CO2 while also producing water. North America NextEra Energy Resources
CarbonHQ Carbon Removal Platforms February 2024 Seed $190K Provides project-management, forecasting and MRV software for developers of carbon-credit projects. Asia-Pacific Galileo Ventures; Investible Climate Tech Fund
Cosmic Aerospace Low Carbon Mobility February 2024 Seed $4.5M Develops highly efficient all-electric passenger aircraft for regional aviation. North America Pale blue dot
Azul Energy Clean Energy Systems February 2024 Series A $1.2M Develops non-precious-metal catalysts for fuel cells, electrolyzers and other clean-energy electrochemical systems. Asia-Pacific Not disclosed
Blue Frontier Building Decarbonization Tech February 2024 Unknown $16.9M Develops liquid-desiccant air-conditioning systems that sharply reduce building cooling electricity use and refrigerant impact. North America Not disclosed
Energy Source Clean Energy Systems February 2024 Unknown $1.2M Repurposes, repairs and recycles lithium-ion batteries, including batteries from electric vehicles. Latin America Not disclosed
Anthro Energy Clean Energy Systems February 2024 Series A $10M Develops advanced polymer electrolytes to improve the safety, performance and manufacturability of lithium batteries. North America Collaborative Fund
Arch Building Decarbonization Tech February 2024 Seed $1M Provides software for HVAC contractors to design and sell electrification and heat-pump projects. North America Not disclosed
Ascend Elements Clean Energy Systems February 2024 Series D+ $162M Recycles lithium-ion batteries and produces engineered battery materials from recovered feedstock. North America Not disclosed
Camus Energy Clean Energy Systems February 2024 Series A $25M Provides grid-management software for utilities integrating distributed and renewable energy resources. North America Congruent Ventures
Celadyne Clean Energy Systems February 2024 Seed $1.5M Develops durable membranes for hydrogen fuel cells and electrolyzers to reduce cost and improve efficiency. North America Not disclosed
Clevergy Building Decarbonization Tech February 2024 Seed $1M Provides household energy-management software intended to reduce electricity consumption and bills. Europe Not disclosed
Crux Clean Energy Systems February 2024 Series A $18M Operates a marketplace for transferable clean-energy tax credits that finance decarbonization projects. North America Andreessen Horowitz
Cyclize Industrial Climate Tech February 2024 Seed $1M Develops plasma technology that converts plastic waste and other carbon-rich waste into chemical feedstocks. Europe Not disclosed
EST-Floattech Low Carbon Mobility February 2024 Seed $1.3M Develops lithium-ion battery systems for electric and hybrid marine vessels. Europe Not disclosed
EVIOS Low Carbon Mobility February 2024 Series A $1M Designs and operates smart home charging systems for electric vehicles. Europe Beringea
Fever Clean Energy Systems February 2024 Seed $11M Provides software that connects and orchestrates distributed energy assets for power grids. Europe General Catalyst
GeoPura Clean Energy Systems February 2024 Growth Equity $11M Produces and supplies green-hydrogen power systems that replace diesel generators. Europe Not disclosed
Haven Energy Clean Energy Systems February 2024 Series A $1M Provides residential battery-storage installation, financing and energy-management services. North America Giant Ventures
Heart Aerospace Low Carbon Mobility February 2024 Series B $107M Develops hybrid-electric regional passenger aircraft intended to cut aviation emissions. Europe Not disclosed
Jua Climate Adaptation Solutions February 2024 Seed $16M Builds AI weather and climate models for energy forecasting and climate-risk applications. Europe 468 Capital
Koloma Clean Energy Systems February 2024 Series B $145M Develops technology to locate and commercially extract naturally occurring geologic hydrogen. North America Khosla Ventures
Kvasir Technologies Low Carbon Mobility February 2024 Seed $1.2M Converts lignocellulosic biomass into low-carbon liquid fuel for hard-to-electrify transport. Europe Not disclosed
Lilac Solutions Industrial Climate Tech February 2024 Series C $145M Develops ion-exchange technology for lower-impact extraction of lithium used in batteries. North America Not disclosed
Mobile Power Clean Energy Systems February 2024 Seed $1M Provides pay-per-use battery systems and clean distributed energy services in African markets. Europe Not disclosed
Monumo Low Carbon Mobility February 2024 Seed $13M Uses simulation and AI to design more efficient electric motors for electric vehicles. Europe LQD VC
Niron Magnetics Industrial Climate Tech February 2024 Unknown $15M Develops rare-earth-free permanent magnets for electric motors, generators and other electrification applications. North America Not disclosed
P3 Low Carbon Mobility February 2024 Series A $107M Develops autonomous electric vehicles and an associated urban mobility service. Europe Not disclosed
PURE EV Low Carbon Mobility February 2024 Series A $8M Manufactures electric two-wheelers and associated battery systems. Asia-Pacific Not disclosed
RideRiver Low Carbon Mobility February 2024 Series B $10M Designs and manufactures electric two-wheelers for urban transport. Asia-Pacific Not disclosed
Rimere Industrial Climate Tech February 2024 Unknown $10M Uses plasma technology to convert methane into hydrogen and solid carbon without direct CO2 emissions. North America Not disclosed
Rock Rabbit Building Decarbonization Tech February 2024 Seed $1M Automates identification and processing of rebates and incentives for home-energy upgrades. North America Powerhouse Ventures
Synaptec Clean Energy Systems February 2024 Series A $8M Develops passive sensing technology for monitoring and protecting electricity-grid infrastructure. Europe Not disclosed
Tau Group Low Carbon Mobility February 2024 Series B $12M Develops high-performance wire and motor technologies designed to improve electric-vehicle efficiency. Europe Not disclosed
Watershed Industrial Climate Tech February 2024 Series C $100M Provides software for companies to measure, report and reduce greenhouse-gas emissions. North America Greenoaks
Yulu Low Carbon Mobility February 2024 Series B $19.3M Operates shared electric two-wheelers and battery-swapping infrastructure for urban mobility. Asia-Pacific Not disclosed
Zūm Low Carbon Mobility February 2024 Growth Equity $140M Operates technology-enabled electric school-bus fleets and transportation services. North America Not disclosed
COLIPI Industrial Climate Tech January 2024 Seed ≈$1,950,000 Uses carbon-capturing biotechnology and fermentation to produce low-carbon oils as alternatives to fossil and palm-derived feedstocks. Europe High-Tech Gründerfonds
Boston Metal Industrial Climate Tech January 2024 Series C $10M Develops molten-oxide electrolysis technology for producing steel and other metals without conventional carbon-intensive smelting. North America Not disclosed
Cultivo Carbon Removal Platforms January 2024 Series A $14M Develops and finances nature-based carbon-removal projects using geospatial technology and project monitoring. North America MassMutual Ventures; Octopus Energy Generation
CarbonPool Carbon Removal Platforms January 2024 Seed $12M Provides insurance against carbon-credit shortfalls and reversals to support durable carbon-removal transactions. Europe Heartcore Capital; Vorwerk Ventures
Methanol-Hydrogen Technology Low Carbon Mobility January 2024 Unknown $100M Develops methanol-hydrogen electric commercial vehicles, green-methanol technology and associated refueling infrastructure. Asia-Pacific Not disclosed
CEEZER Carbon Removal Platforms January 2024 Series A ≈$11,200,000 Provides software for sourcing, evaluating, financing and managing corporate portfolios of carbon-removal and carbon-reduction credits. Europe HV Capital
AiDash Climate Adaptation Solutions January 2024 Series C $10M Uses satellite data and AI to make electric utilities and other critical infrastructure more resilient to climate-driven vegetation, wildfire and weather risks. North America Lightrock
Instagrid Clean Energy Systems January 2024 Series C $15M Manufactures high-performance portable battery systems that replace fossil-fuel generators in off-grid applications. Europe Teachers' Venture Growth
Monta Low Carbon Mobility January 2024 Series B ≈$87,000,000 Provides software and infrastructure for operating, managing and paying for electric-vehicle charging. Europe Energize Capital; GreenPoint Partners; Export and Investment Fund of Denmark
Sion Power Low Carbon Mobility January 2024 Series A $15M Develops high-energy-density lithium-metal batteries designed primarily for electric vehicles. North America LG Energy Solution
Captura Carbon Removal Platforms January 2024 Series A $11.5M Develops Direct Ocean Capture systems that remove dissolved CO₂ from seawater so the ocean can absorb additional atmospheric CO₂. North America Future Planet Capital
H2 Green Steel Industrial Climate Tech January 2024 Growth Equity ≈$326,000,000 Develops large-scale near-zero-emission steel production using renewable electricity and green hydrogen. Europe Not disclosed
Reel Clean Energy Systems January 2024 Seed ≈$5,400,000 Supplies businesses with renewable electricity contracts directly linked to financing new wind and solar generation. Europe Transition
Aira Building Decarbonization Tech January 2024 Series B ≈$158,000,000 Supplies and installs residential heat pumps and related clean-energy systems to replace fossil-fuel heating. Europe Altor; Kinnevik; Temasek
Element Zero Industrial Climate Tech January 2024 Seed $10M Develops an electrochemical process for producing iron and other metals from ore without direct carbon emissions. Asia-Pacific Playground Global
INERATEC Clean Energy Systems January 2024 Series B ≈$129,000,000 Produces synthetic e-fuels from renewable hydrogen and captured CO₂ for hard-to-electrify transport and industry. Europe Piva Capital
International Battery Company Low Carbon Mobility January 2024 Unknown $15M Develops large-format lithium-ion battery cells tailored for electric mobility, particularly the Indian market. North America RTP Global
Electra Low Carbon Mobility January 2024 Series B ≈$331,000,000 Develops and operates fast-charging stations for electric vehicles across Europe. Europe PGGM Infrastructure Fund
Tibo Energy Clean Energy Systems January 2024 Seed ≈$3,290,000 Provides AI-based energy-management software for optimizing on-site generation, storage, consumption and constrained grid capacity. Europe SET Ventures
LivNSense Industrial Climate Tech January 2024 Unknown $1.8M Uses AI and industrial digital twins to identify and reduce emissions in hard-to-abate manufacturing operations. Asia-Pacific Pavestone Technology Fund
Qiyuan Green Power Low Carbon Mobility January 2024 Series B ≈$211,000,000 Operates battery-swapping infrastructure, battery assets and digital energy services for electric heavy-duty trucks and machinery. Asia-Pacific Not disclosed
Google Trends chart showing rising interest in climate change

As this chart shows, and as featured in our climate tech market deck, search interest in climate change has continued to rise

Is climate tech funding really as huge as the headlines make it look?

Climate tech funding is a genuinely large market today, but the headline total makes the average company look far better funded than it really is.

We tracked 1,002 financings across 900 climate tech companies, representing $39.52 billion of recorded capital. Once we remove rounds above $50 million, that total falls to $9.97 billion. The difference is enormous: a relatively small group of very large financings creates roughly three quarters of the market's dollar value.

The typical financing looks much more ordinary. The median round was $10 million, compared with a $39.6 million average. Two thirds of quantified deals were below $20 million.

That split still looks relevant today. The IEA's latest State of Energy Innovation report says energy-tech venture funding fell again in 2025, its third consecutive annual decline, even as more than 320 energy startups raised their first funding during the year. Meanwhile, companies such as CFS, Valar Atomics and Form Energy have recently raised $1 billion, $1 billion and $750 million respectively. Money is still available at extraordinary scale, but only for a narrow group of companies that have reached the point where investors are willing to fund physical expansion.

How many climate tech companies are actually getting funded?

The climate tech funding market is broad: we found 900 separate companies behind those 1,002 financings.

Most only appear once. Of the 900 companies, 810 completed one qualifying financing during the period, 78 completed two and only 12 raised three or more times.

That gives climate tech a very different shape from what the biggest funding announcements suggest. Hundreds of companies can get a round done, while repeat access to capital remains much less common.

The companies that do come back are disproportionately important. The 90 repeat fundraisers represented only 10% of companies but raised $16.36 billion, equivalent to 41.4% of all recorded capital.

So climate tech currently has plenty of funded companies. The rarer achievement is becoming one of the businesses investors will finance again, particularly once the required cheque gets much larger.

Chart showing First Solar’s strategy in the climate tech market

This chart, featured in our climate tech market deck, looks at First Solar’s strategy in climate tech

Is climate tech funding controlled by a handful of companies?

Climate tech funding is concentrated at the top, although no single company comes close to controlling the market.

Base Power raised $2.20 billion across three qualifying rounds in our dataset. Commonwealth Fusion Systems followed with $1.863 billion across two, while AVATR raised more than $1.51 billion in one financing. X-energy, Form Energy and Valar Atomics each crossed $1 billion as well.

The five largest companies captured 20.1% of all capital. Expand that group to ten and the share reaches 31.4%.

Recent activity reinforces the same pattern. CFS raised another $1 billion in equity, Valar Atomics closed a $1 billion Series B, Form Energy announced $750 million of Series G financing and Base Power has now raised more than $1 billion while rapidly expanding its distributed battery fleet.

These companies are operating in businesses where getting bigger often means building factories, power systems, storage fleets or major engineering facilities. Once a company reaches that layer of the market, its capital requirements move into a completely different league.

Company Qualifying rounds Capital raised in the window
Base Power 3 $2.20B
Commonwealth Fusion Systems 2 $1.863B
AVATR 1 >$1.510B
X-energy 2 $1.20B
Form Energy 2 $1.155B
Valar Atomics 2 $1.105B
Pacific Fusion 1 >$900M committed
Helion Energy 2 $890M
Deepal 1 $874M
Antora Energy 2 $700M

What does a normal climate tech startup actually raise?

A normal climate tech financing today is much closer to $10 million than to the nine-figure rounds that dominate the news.

The clearest figure is the $10 million median round. Of the 997 financings where we could quantify the amount, 331 were below $5 million and another 339 were between $5 million and $20 million.

That means 670 deals, roughly two thirds of the market, happened below $20 million.

The distribution changes dramatically at the top. Only 88 financings were worth at least $100 million, yet those deals absorbed $26.03 billion, or 65.9% of all recorded capital.

For founders, that is probably the most useful way to read the market. Climate tech can produce $500 million or $1 billion rounds, but those deals say very little about what an ordinary funded company can expect to raise.

Deal size Deals Share of quantified deals Capital Share of capital
Under $5M 331 33.2% $764M 1.9%
$5M–<$20M 339 34.0% $3.64B 9.2%
$20M–<$50M 180 18.1% $5.17B 13.1%
$50M–<$100M 59 5.9% $3.92B 9.9%
$100M+ 88 8.8% $26.03B 65.9%
All quantified deals 997 100% $39.52B 100%
Median round — — $10.0M —
Average round — — $39.6M —
Table and timeline showing the latest structural changes in the climate tech market

In our climate tech market deck, we ensure you have the latest information

Which parts of climate tech are getting the serious money?

Clean Energy Systems is where the serious climate tech money sits today, with almost 60% of all capital flowing into that category.

We counted 417 Clean Energy Systems deals worth $23.63 billion. Low Carbon Mobility came next with $7.96 billion, followed by Industrial Climate Tech with $4.07 billion.

The differences become clearer once we compare money with activity. Clean Energy Systems generated 41.6% of deals but received 59.8% of capital. Low Carbon Mobility also punched above its deal count, with 15.4% of deals and 20.1% of funding.

Industrial Climate Tech moved the other way: 20.7% of deals produced only 10.3% of capital. Building Decarbonization accounted for more than one deal in ten but less than 4% of the money.

There is plenty of funding activity across climate tech, but the biggest pools of capital are concentrated in technologies where scaling requires expensive physical assets.

Category Deals Companies Capital Median round
Clean Energy Systems 417 371 $23.63B $11.7M
Industrial Climate Tech 207 194 $4.07B $7.6M
Low Carbon Mobility 154 139 $7.96B $13.9M
Building Decarbonization 106 96 $1.52B $5.5M
Carbon Removal 78 74 $1.62B $11.4M
Climate Adaptation 40 38 $715M $10.0M
Total market 1,002 900 $39.52B $10.0M

Why is so much climate tech money going into energy companies?

Clean Energy Systems attracts such large climate tech rounds because scaling these companies often means paying for actual industrial infrastructure.

CFS is a good example. The company recently raised another $1 billion while moving from the SPARC fusion demonstration machine toward its planned ARC commercial power plant. Its financing story is increasingly tied to building and commercializing physical power infrastructure rather than simply funding more research.

Pacific Fusion makes the point even more clearly. Its Series A exceeds $900 million, but the financing was committed upfront and is released as the company reaches predefined technical milestones. The company has since started building a $1 billion-scale research and manufacturing campus in New Mexico for a demonstration fusion system.

Valar Atomics has taken a similar route in nuclear. Its recent $1 billion Series B is explicitly intended to accelerate manufacturing of standardized nuclear plants. Form Energy's $750 million Series G is aimed at scaling iron-air battery manufacturing and commercial deployment.

This is why the upper end of climate tech looks so different from software venture funding. The IEA currently describes capital intensity, long lead times, physical infrastructure and first-of-a-kind deployment as major obstacles for emerging energy technologies. Our funding data shows those costs appearing directly in round sizes.

Chart showing the projected CAGR of the climate tech market

This chart, featured in our climate tech market deck, illustrates yearly funding for climate tech startups

Is Low Carbon Mobility broadly well funded, or is one giant deal doing the work?

Low Carbon Mobility is clearly a capital-heavy part of climate tech, although one very large AVATR financing makes the category look richer than it normally is.

The category attracted $7.96 billion across 154 financings and has the highest median round among the six categories, at $13.9 million.

AVATR's Series C alone exceeded RMB11 billion, or more than $1.51 billion in our dataset. That single transaction accounts for about 19% of all Low Carbon Mobility capital.

Remove AVATR and the category still has a large funding base, so the conclusion does not disappear. But its headline total is much more sensitive to individual companies than Clean Energy Systems, where large rounds are spread across a wider group of businesses.

Mobility funding currently looks like a real scale-capital market with an unusually heavy top end, rather than a category where every company is raising enormous amounts.

Is climate tech still mostly an early-stage startup market?

Climate tech currently has an early-stage-heavy company pipeline, while most of the money goes to companies that have already moved beyond it.

Among deals where we could identify the stage, Seed and Series A accounted for 70% of transactions. Seed produced 342 rounds and Series A another 265.

Capital points in the opposite direction. Those early-stage rounds captured only 23.1% of classified dollars. The remaining 76.9% went into later-stage or growth financings.

Cheque size explains the gap. Median funding rises from $3.5 million at Seed to $15 million at Series A, $27.9 million at Series B and $46.5 million at Series C. Series D+ reaches a $183.5 million median.

Climate tech still creates plenty of young venture-backed companies. The financial centre of gravity sits much further along the journey.

Chart comparing business model options for carbon management platforms

This chart, featured in our climate tech market deck, compares the main business model options for carbon management platforms

Why do so few climate tech companies make it to Series C?

Series C is where the climate tech funding ladder really starts to thin out.

We found 265 Series A deals, 114 Series Bs and only 38 Series Cs. There are three Series B financings for every Series C financing in the period.

At the same time, the amount a company typically needs keeps rising. The median Series B was $27.9 million and the median Series C $46.5 million. By Series D+, it reaches $183.5 million.

This is also roughly where a physical climate technology has to prove much more than whether the technology itself works. Manufacturing, project economics, regulation, infrastructure, customers and offtake can all start deciding whether another large round makes sense.

The IEA's latest work on energy innovation describes a similar problem around first-of-a-kind deployment. Projects can reach a technically promising stage and still struggle with financing, infrastructure, safety requirements, commercial structures and reliable demand.

The Series B-to-C drop therefore looks like a scale-up bottleneck. Climate tech produces many investable technologies; far fewer become businesses that investors are ready to finance through expensive commercial expansion.

Stage Deals Capital Median round Median company age
Seed 342 $1.76B $3.5M 2 years
Series A 265 $6.97B $15.0M 4 years
Series B 114 $7.39B $27.9M 6 years
Series C 38 $7.02B $46.5M 7 years
Series D+ 26 $6.95B $183.5M 9 years
Growth Equity 82 $7.77B $44.3M 8 years
Unknown 135 $1.66B $3.5M —

How old are climate tech companies before investors write big checks?

Climate tech companies usually spend several years developing before very large rounds become realistic.

Across the deals where we could establish the founding year, the median company was four years old when it raised.

The progression by stage is unusually clean. Seed companies had a median age of two years, Series A companies four, Series B companies six, Series C companies seven and Series D+ companies nine.

Round size follows the same pattern. Companies raising below $5 million had a median age of three years, compared with six years for companies raising more than $50 million.

Age itself does not unlock funding. Bigger climate tech rounds generally appear after companies have had time to accumulate technical results, customers, manufacturing plans, regulatory progress or physical assets that justify a much larger commitment.

The recent Pacific Fusion story is a useful example of what investors increasingly want to see. The company has been releasing funding against technical milestones, recently reported progress on its pulsed-power hardware and has now broken ground on its New Mexico facility. Capital is following measurable execution.

Chart breaking down market revenue by customer segment in the climate tech market

This chart, featured in our climate tech market deck, breaks down market revenue by customer segment in the climate tech market

Are new climate tech startups still getting funded today?

New climate tech startups are still getting funded, but established companies take the overwhelming majority of the money.

We identified 259 first financings, representing 25.8% of all deals. Those companies raised $3.91 billion.

Follow-on rounds accounted for 736 financings and $35.59 billion. In dollar terms, that gives previously financed companies about 90% of the market.

The difference also appears in the typical cheque. A first financing had a median size of $3.11 million, compared with $14.55 million for a follow-on.

The latest broader energy data points in the same direction without suggesting that company formation has stopped. The IEA counted more than 320 energy startups raising their first funding in 2025, even while overall energy-tech venture investment declined.

The pipeline is still producing new companies these days. Most of the capital is being reserved for businesses that have already passed an earlier financing test.

Does corporate money actually matter in climate tech?

Corporate and strategic investors become much more important as climate tech companies mature.

At least one strategic investor appeared in 34.7% of the financings we studied. At Seed, strategic participation was only 19%. It rose to 42.6% at Series A, 55.3% at both Series B and Series C, and 69.2% at Series D+.

Strategically backed rounds were also much larger, with a $15 million median versus $7.35 million where no strategic investor was identified.

CFS shows what that relationship can become. Eni has been a shareholder since 2018 and later signed an agreement worth more than $1 billion to purchase power from CFS's planned first ARC plant. More recently, Hyundai Motor Group joined CFS's latest $1 billion financing as the companies began exploring collaboration around future ARC plants.

For companies trying to build power plants, manufacturing capacity or large industrial systems, a corporate investor can bring much more than cash. Customers, suppliers, technical partnerships and future offtake can all become part of the same relationship.

That helps explain why strategic participation rises so sharply after Seed.

Chart showing how personal carbon tracking app technology has evolved over time

This chart, featured in our climate tech market deck, shows how personal carbon tracking app technology has evolved over time

Which climate tech investors keep coming back?

Climate tech has hundreds of lead investors, but a smaller group keeps reappearing across the market.

After normalizing obvious naming variations, we found roughly 726 unique disclosed lead investors. Around 165 led or co-led more than one transaction, and repeat leads appeared in roughly half of all deals where a lead was publicly identifiable.

Prelude Ventures appeared most often, with nine led or co-led financings. Lowercarbon Capital appeared seven times. Breakthrough Energy Ventures, At One Ventures, HV Capital, 2150 and Transition VC each appeared six times.

Round count does not tell the whole story. General Catalyst appears only five times in this ranking, but those rounds total almost $955 million because it led Pacific Fusion's unusually large financing. Transition VC's six deals total only $18.3 million because it operates much further down the funding ladder.

Climate tech investing therefore has a fairly broad cast of investors rather than a tiny closed club. What changes dramatically is the type of investor able or willing to stay involved once round sizes reach tens or hundreds of millions.

Lead investor Led/co-led deals Combined size of those rounds
Prelude Ventures 9 $396.9M
Lowercarbon Capital 7 $319.8M
Breakthrough Energy Ventures 6 $205.7M
At One Ventures 6 $115.6M
HV Capital 6 $114.1M
2150 6 $101.7M
Transition VC 6 $18.3M
General Catalyst 5 $954.9M
Giant Ventures 5 $140.0M
World Fund 5 $136.6M
Energy Impact Partners 5 $114.2M
Clean Energy Ventures 5 $50.2M

Is North America taking all the big climate tech rounds?

North America currently dominates climate tech scale financing, while Europe produces more funded companies and more deals.

Europe accounted for 474 financings, or 47.3% of our total, compared with 348 in North America. Yet North America attracted $23.54 billion against Europe's $10.12 billion.

The median round was $15 million in North America and $8.2 million in Europe. We also counted 80 North American rounds above $50 million, twice the European total.

Recent financings make the difference easy to see. CFS, Valar Atomics, Base Power and Form Energy have all accessed very large amounts of private capital in North America, while Pacific Fusion is currently turning a $900 million-plus financing into a large U.S. demonstration and manufacturing site.

Europe's climate tech ecosystem is much stronger in breadth than the dollar totals alone suggest. Its weaker spot is the frequency of very large private rounds.

The IEA's 2026 work still places Europe alongside North America and China as one of the main centres of energy innovation, but it also notes the unusually deep U.S. venture market. Our numbers suggest that advantage becomes especially visible when companies need scale capital.

Table scoring and prioritizing the main pain points faced by companies in the climate tech market

In our climate tech market deck, we identify pain points entrepreneurs should prioritize

Where does climate tech funding basically disappear?

Some climate tech categories have plenty of Seed and Series A activity but almost no conventional late-stage ladder.

Carbon Removal had 32 Seed rounds and 30 Series As, then only five Series Bs and one Series C. We found no Series D+ financing in the category.

Building Decarbonization had 42 Seed deals, 21 Series As and 15 Series Bs, but only two Series Cs and again no Series D+.

Climate Adaptation was thinner still, with 15 Seed rounds, 13 Series As, nine Series Bs and one Series C. There were no Series D+ or Growth Equity financings.

Some mature companies raise under labels other than a conventional Series D, so those figures should not be read as a literal survival curve. Still, the absence is hard to ignore.

As seen above, the whole market already narrows heavily after Series B. These three categories show where that problem becomes particularly severe: investors are willing to finance experimentation and early commercialization, but we see very few companies progressing through a conventional late-stage venture sequence.

Are the huge monthly climate tech funding numbers actually useful?

Monthly climate tech funding totals can be wildly misleading when two or three large financings land together.

The clearest example is the market's biggest month by dollars. It produced $3.44 billion of recorded capital, with Base Power, Valar Atomics and Form Energy alone accounting for roughly 80% of the total.

The busiest month by deal count looked very different. It produced 75 transactions, nearly three times the median completed month, but it was not the capital record.

Across completed months in the observation period, the median was 27.5 financings and $934 million of capital. Average capital was higher at $1.23 billion because the largest rounds pull the mean upward.

When climate tech funding suddenly appears to jump or collapse, we first look at how many companies actually raised, how large the median financing was and whether one or two companies explain the change. Headline dollars by themselves are simply too volatile in this market.

Chart breaking down revenue by geography across Europe, Asia, North America, Africa, and South America in the climate tech market

This chart, featured in our climate tech market deck, breaks down revenue by geography across Europe, Asia, North America, Africa, and South America in the climate tech market

What should we actually take away from climate tech funding today?

Climate tech is a broad funding market with a much narrower scale-capital layer.

We found 900 funded companies, which makes this a substantial startup ecosystem. At the same time, most companies raise relatively conventional venture rounds: the median deal is $10 million and roughly two thirds of quantified financings are below $20 million.

The spectacular part of the market begins further up. Energy systems, mobility, nuclear, fusion and storage companies can now raise hundreds of millions or even $1 billion when investors believe the technology and commercial plan are ready for physical scale. Recent financings from CFS, Valar Atomics, Form Energy and Base Power show that this upper layer remains very active today even as broader energy venture funding has become tougher.

The harder part is getting there. Climate tech has 265 Series A deals but only 38 Series Cs, and several categories barely develop a conventional late-stage population at all. Bigger checks also arrive later: companies raising more than $50 million have a median age twice that of companies raising less than $5 million.

Strategic investors become increasingly important along the way, while North America has become the clearest centre for very large private rounds. Europe remains an important company-formation and deal market, but the scale-financing gap is substantial.

The clearest picture is a market with plenty of companies at the bottom and extraordinary amounts of capital available at the top. The difficult stretch sits in between: turning a promising climate technology into the kind of industrial business that can justify repeated $50 million, $100 million or billion-dollar commitments.

OUR METHODOLOGY

This analysis tracks climate tech fundraising announced between 1 January 2024 and 21 September 2026, with the aim of producing a quantitative view of how the market is actually funded rather than reproducing the headline totals of a single funding database.

We included qualifying private-company equity financings that fell inside the research period and our climate tech definition. Debt, grants, loans, public offerings and financings where the equity component could not be separated reliably were excluded from the equity dataset. Where a transaction combined several forms of capital, we used the identifiable equity component whenever the available evidence allowed it.

Climate tech had to be the company's core business at the time of financing rather than a peripheral product, future ambition or loose sustainability angle. Borderline companies were excluded rather than forced into the dataset.

Each distinct financing was treated as a separate deal, while duplicate reports of the same round were consolidated. Extensions, additional closes and tranches were reviewed individually because two announcements by the same company do not necessarily represent two economically separate financings.

Dates, funding stages, investors, financing history, company age and unusual transaction structures were recorded only when supported by public evidence. We did not infer a Series A, B or C from round size, assume that a prominent investor was the lead, estimate genuinely undisclosed deal values or create an exact date where sources only established a broader period.

We also kept uncertainty visible. Approximate currency conversions remain approximate, lower-bound announcements remain lower bounds, and maximum commitments are not treated as if every dollar had necessarily been funded immediately. Pacific Fusion is a good example: its more than $900 million Series A was committed upfront but is released against predefined milestones.

After building the dataset, we ran a separate quality-control pass focused on missed transactions, date boundaries, duplicate announcements, equity eligibility, market eligibility and unusual funding structures. We also compared financing totals with the underlying company population so repeat rounds did not get mistaken for additional companies.

Key sources used for the market context and company-level checks include the International Energy Agency's State of Energy Innovation 2026, the International Energy Agency's State of Energy Innovation 2025, Commonwealth Fusion Systems on its latest $1 billion financing, Pacific Fusion on its $900 million-plus Series A structure, Valar Atomics on its $1 billion Series B, Form Energy's newsroom, AVATR's Series C announcement, and Base Power's press page.

The guiding principle throughout was simple: where public evidence could not establish something reliably, we preserved that uncertainty rather than making the dataset look cleaner than the sources justified.

Chart illustrating yearly VC funding for climate tech startups

This chart, featured in our climate tech market deck, illustrates yearly VC funding for climate tech startups