Top list · Worldwide
Clean energy startups worldwide
1,284 clean energy startups worldwide have raised money in rounds we track. These are the 50 that have raised the most, $64B between them, with the United States the most common home.
- 1
CrusoeCrusoe is an energy-first AI infrastructure company that develops and operates large-scale, AI-optimized data centers powered by clean energy sources.Crusoe is an energy-first AI infrastructure company that develops and operates large-scale, AI-optimized data centers powered by clean energy sources.
Founded 2018Denver, United States$9.9Blast round Sept 2026 - 2
Atlas Renewable EnergyAtlas Renewable Energy is a renewable energy company that develops, builds, and operates solar and wind projects.Atlas Renewable Energy is a renewable energy company that develops, builds, and operates solar and wind projects.
Founded 2017Miami, United States$3.1Blast round Apr 2026 - 3
SSEFounded 1998Perth, United Kingdom$2.7Blast round Jun 2026 - 4
EVgoEVgo provides fast charging networks for private and public electric vehicles.EVgo provides fast charging networks for private and public electric vehicles.
Founded 2010Los Angeles, United States$2.5Blast round Jul 2025 - 5
Eni PlenitudeEni Plenitude supplies energy for homes and institutions.Eni Plenitude supplies energy for homes and institutions.
Founded 2017San Donato Milanese, Italy$2.3Blast round Jun 2025 - 6Base PowerFounded -United States$2.2Blast round Aug 2026
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Fortescue Future IndustriesFortescue Future Industries is a green energy and product company committed to producing zero-emission hydrogen from renewable sources.Fortescue Future Industries is a green energy and product company committed to producing zero-emission hydrogen from renewable sources.
Founded 2020East Perth, Australia$2.0Blast round Oct 2025 - 8
Form EnergyForm Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.
Founded 2017Somerville, United States$2.0Blast round Sept 2026 - 9Commonwealth Fusion SystemsFounded -United States$1.9Blast round Jul 2026
- 10
StegraStegra operates a steel production plant to accelerate the decarbonization of the steel industry using green energy.Stegra operates a steel production plant to accelerate the decarbonization of the steel industry using green energy.
Founded 2020Stockholm, Sweden$1.6Blast round Apr 2026 - 11
X-energyX-energy is delivering the next generation of carbon-free energy by reinventing nuclear power.X-energy is delivering the next generation of carbon-free energy by reinventing nuclear power.
Founded 2009Rockville, United States$1.5Blast round May 2026 - 12Dimension EnergyFounded -United States$1.5Blast round Aug 2026
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Kyoto FusioneeringKyoto Fusioneering Ltd.Kyoto Fusioneering Ltd.
Founded 2019Chiyoda, Japan$1.3Blast round Aug 2026 - 14ReturnFounded -Netherlands$1.3Blast round Nov 2026
- 15
Generate CapitalGenerate Capital is an investment and operating platform for sustainable infrastructure.Generate Capital is an investment and operating platform for sustainable infrastructure.
Founded 2014San Francisco, United States$1.3Blast round Sept 2026 - 16
Redwood MaterialsRedwood Materials is an American company based in Carson City, Nevada, focused on creating a sustainable supply chain for lithium-ion batteries.Redwood Materials is an American company based in Carson City, Nevada, focused on creating a sustainable supply chain for lithium-ion batteries.
Founded 2017Carson City, United States$1.2Blast round Jan 2026 - 17
EnergyReEnergyRe is at the center of the clean energy future.EnergyRe is at the center of the clean energy future.
Founded 2020New York, United States$1.2Blast round Oct 2026 - 18
CleanSparkCleanSpark (Nasdaq: CLSK) is America's Bitcoin MinerTM.CleanSpark (Nasdaq: CLSK) is America's Bitcoin MinerTM.
Founded 2014Henderson, United States$1.1Blast round Nov 2025 - 19
Fervo EnergyFervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems.Fervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems.
Founded 2017Houston, United States$1.1Blast round Sept 2026 - 20
EnpalEnpal is a photovoltaics leasing firm that provides solar power systems for homeowners.Enpal is a photovoltaics leasing firm that provides solar power systems for homeowners.
Founded 2017Berlin, Germany$1.0Blast round Oct 2025 - 21
SB EnergySB Energy provides renewable energy at scale, accelerating the global energy transition.SB Energy provides renewable energy at scale, accelerating the global energy transition.
Founded 2015Redwood City, United States$1.0Blast round Jan 2026 - 22ReNew PowerFounded -India$984Mlast round Jul 2019
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CuspAICuspAI is an innovative artificial intelligence company based in Cambridge, United Kingdom, with additional teams in Amsterdam and Berlin.CuspAI is an innovative artificial intelligence company based in Cambridge, United Kingdom, with additional teams in Amsterdam and Berlin.
Founded 2024Cambridge, United Kingdom$950Mlast round Jul 2026 - 24
The Appalachian Regional Clean Hydrogen HubARCH2's mission is to provide an interconnected, full value chain H2Hub solution.ARCH2's mission is to provide an interconnected, full value chain H2Hub solution.
Founded -Morgantown, United States$925Mlast round Jul 2024 - 25
Solar LandscapeSolar Landscape is an installer and operator of solar energy systems.Solar Landscape is an installer and operator of solar energy systems.
Founded 2012Asbury Park, United States$900Mlast round Jun 2026 - 26
Pacific FusionPacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes.Pacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes.
Founded 1997Fremont, United States$900Mlast round Nov 2024 - 27
Blue EnergyBlue Energy is a nuclear energy company that designs and manufactures modular nuclear power plants.Blue Energy is a nuclear energy company that designs and manufactures modular nuclear power plants.
Founded -Plainfield, United States$805Mlast round Jul 2026 - 28Intersect PowerFounded -United States$800Mlast round Dec 2024
- 29
AvantusAvantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.
Founded 2019El Dorado Hills, United States$800Mlast round Sept 2026 - 30
Panamint CapitalPanamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation.Panamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation.
Founded 2019United States$769Mlast round Nov 2026 - 31
Rezolv EnergyRezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic.Rezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic.
Founded 2022Prague, Romania$763Mlast round Nov 2026 - 32
XPLR InfrastructureXPLR Infrastructure is a renewable energy company that owns, operates, and acquires contracted clean energy projects.XPLR Infrastructure is a renewable energy company that owns, operates, and acquires contracted clean energy projects.
Founded -North Palm Beach, United States$750Mlast round Nov 2025 - 33
Maxwell PowerMaxwell Power is a renewable energy company that installs solar panels.Maxwell Power is a renewable energy company that installs solar panels.
Founded -San Diego, United States$750Mlast round Jun 2026 - 34
BNZ energyBNZ, an independent power producer (IPP), plans, installs, and runs solar photovoltaic projects.BNZ, an independent power producer (IPP), plans, installs, and runs solar photovoltaic projects.
Founded 2020Madrid, Spain$740Mlast round Oct 2024 - 35
Octopus Energy GroupOctopus Energy Group is an England-based holding company that operates businesses in areas such as energy generation and electric vehicle sales.Octopus Energy Group is an England-based holding company that operates businesses in areas such as energy generation and electric vehicle sales.
Founded 2016London, United Kingdom$681Mlast round Dec 2025 - 36
Radial PowerRadial Power provides distributed energy and sustainability solutions to commercial and industrial real estate asset owners.Radial Power provides distributed energy and sustainability solutions to commercial and industrial real estate asset owners.
Founded 2022Houston, United States$660Mlast round Jan 2026 - 37
Origis EnergyOrigis Energy focuses on the development, construction, and operation of solar power plants and energy storage solutions.Origis Energy focuses on the development, construction, and operation of solar power plants and energy storage solutions.
Founded 2008Miami, United States$651Mlast round Jan 2025 - 38
rPlus EnergiesrPlus Energies builds new power plants to help rebuild America's energy infrastructure.rPlus Energies builds new power plants to help rebuild America's energy infrastructure.
Founded 2018Salt Lake City, United States$650Mlast round Mar 2026 - 39
Proxima FusionProxima Fusion is a European fusion energy company based in Munich, Germany, founded in 2023 as the first spin-out from the Max Planck Institute for Plasma Physics.Proxima Fusion is a European fusion energy company based in Munich, Germany, founded in 2023 as the first spin-out from the Max Planck Institute for Plasma Physics.
Founded 2023Munich, Germany$636Mlast round Jul 2026 - 40
GIGA StorageGIGA Storage develops large-scale sustainable energy storage systems.GIGA Storage develops large-scale sustainable energy storage systems.
Founded 2018Amstelveen, Netherlands$634Mlast round Oct 2026 - 41
WildFire EnergyWildfire Energy is an Australian cleantech startup focused on converting residual waste into renewable energy, hydrogen, and sustainable fuels using its proprieWildfire Energy is an Australian cleantech startup focused on converting residual waste into renewable energy, hydrogen, and sustainable fuels using its proprie
Founded 2016Petrie Terrace, United States$604Mlast round Jul 2026 - 42
1KOMMA5°1Komma5° is an electricity company offering free electricity to all electric vehicle owners financed through trading using GHG quotas.1Komma5° is an electricity company offering free electricity to all electric vehicle owners financed through trading using GHG quotas.
Founded 2021Hamburg, Germany$563Mlast round Oct 2026 - 43
NewcleoNewcleo is an atomic energy company that focuses on developing advanced nuclear energy technologies.Newcleo is an atomic energy company that focuses on developing advanced nuclear energy technologies.
Founded 2021Paris, United Kingdom$563Mlast round Sept 2026 - 44
EllevioEllevio is a Swedish energy provider.Ellevio is a Swedish energy provider.
Founded 2015Stockholm, Sweden$555Mlast round May 2025 - 45
ILOS ProjectsILOS Projects is a Independent Power Producer.ILOS Projects is a Independent Power Producer.
Founded 2018Karlsruhe, Germany$530Mlast round Apr 2026 - 46
Abound SolarAbound Solar was a thin-film solar module manufacturer based in Loveland, Colorado.Abound Solar was a thin-film solar module manufacturer based in Loveland, Colorado.
Founded 2007Loveland, United States$510Mlast round Dec 2010 - 47SpiroFounded -Kenya$508Mlast round Sept 2026
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Sedron TechnologiesSedron Technologies is a private environmental services company based in Sedro-Woolley, Washington, founded in 2014 as a spinoff from Janicki Industries.Sedron Technologies is a private environmental services company based in Sedro-Woolley, Washington, founded in 2014 as a spinoff from Janicki Industries.
Founded 2014Sedro-Woolley, United States$500Mlast round May 2026 - 49
Pivot EnergyPivot Energy is a national renewable energy provider that develops, finances, builds, owns, and manages solar and energy storage projects.Pivot Energy is a national renewable energy provider that develops, finances, builds, owns, and manages solar and energy storage projects.
Founded 2009Denver, United States$500Mlast round Oct 2026 - 50
ArevonArevon Energy is a renewable energy company that focuses on developing, acquiring, and managing large-scale renewable energy projects.Arevon Energy is a renewable energy company that focuses on developing, acquiring, and managing large-scale renewable energy projects.
Founded 2017Scottsdale, United States$482Mlast round Mar 2026
Denver, United States
Perth, United Kingdom
San Donato Milanese, Italy
East Perth, Australia
Stockholm, Sweden
Chiyoda, Japan
Netherlands
Berlin, Germany
India
Prague, Romania
Madrid, Spain
KenyaCompanies whose funding rounds we classed as this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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FTBig data startups worldwide3,812 companies · $220BAF
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