Alternatives to Capstone Green Energy Holdings
The top Clean Energy companies similar to Capstone Green Energy Holdings, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Open source alternatives to Capstone Green Energy Holdings (60) →
Exowatt52Energy StoragePalo Alto, United States$10.0M
Chevron70Oil & GasSan Ramon, United States$1.0B
Tesvolt61Energy StorageLutherstadt Wittenberg, Germany$47.8M
Exergy354CleantechEdinburgh, United Kingdom$25.5M
Hadron Energy54EnergyHouston, United States$8.2M
TheStorage54CleantechTampere, Finland$6.8M
Montis VC53Venture CapitalWarsaw, Poland
Plume52Climate TechParis, France$3.3M
PowerUp46Clean EnergyTallinn, Estonia$20.0M
Aquarius Engines45AutomotiveRosh Ha'ayin, Israel$15.0M- ElitehashClimate Tech
QasarClean Energy
WärtsiläMarine TechnologyHelsinki, Finland
SolarEdge86EnergyHerzliya, Israel$71.8M
Generate Capital66Sustainable InfrastructureSan Francisco, United States$4.5B
Sunfire64Clean EnergyDortmund, Germany
SolarSquare64Renewable EnergyMumbai, India$67.5M
Cowboy Space63SpaceTechDenver, United States$275.0M
Amogy63Clean EnergyBrooklyn, United States$90.0M- C2C2i Semiconductors63SemiconductorsBengaluru, India$15.0M
Octopus63EnergyLondon, United Kingdom$4.1B
ArtIn Energy62EnergyTampa, United States$255.0M
Stormfisher61Climate Tech$430.0M
Solar Landscape61Renewable EnergyAsbury Park, USA$775.9M
Envision61Renewable EnergyShanghai, China
Alsym Energy61Energy StoragePalo Alto, United States$155.1M- CACarbonCount Holdings 160Sustainable Infrastructure$508.0M
Crusoe Inc58Climate TechLouisville, United States$435.0M
DG Matrix57Clean EnergyMorrisville, United States$80.0M
Electra57Climate TechTel Aviv, Israel$301.0M
IONITY57AutomotiveMunich, Germany$1.4B
Heron Power55Climate TechTel Aviv, Israel$10.0M- DUDunia Innovations54Artificial IntelligenceBerlin, Germany
Norsepower54Climate TechHelsinki, Finland$498.2M- ADAdani Group54Data CentersAhmedabad, India$100.0B
Voxel Energy54Renewable EnergySan Francisco, United States
ZOOZ Power54Electric Vehicle (EV)Tel Aviv, Israel$36.4M
Voltify Inc.54Rail ElectrificationPhiladelphia, United States$30.0M- BUBudderfly53EnergyShelton, USA$1.3B
Luminescent53CleantechSan Francisco, United States$7.0M
Zola Electric53Clean EnergyBengaluru, India
Lightsource BP52Solar EnergyLondon, United Kingdom$418.0M
Nuvve New Mexico49EnergySocorro, USA$50.0M
Antares Industries49Nuclear EnergyLos Angeles, United States
Clairion47ClimateTel Aviv, Israel
Green Gravity47Clean EnergyWollongong, Australia$10.0M
Daystar Power47EnergyLagos, Nigeria$150.0M- FLFleetzero46Climate TechSan Francisco, United States
- NENeogenyx Fuels45Renewable EnergySan Diego, United States$400.0M
- AIAI45Artificial IntelligenceSan Francisco, United States
- GRgroSolar41Solar EnergyColumbia, United States$13.1M
Jether Energy37Cleantech
FuelCell Energy36Clean EnergyDanbury, United States
NetZeroNitrogen35Climate TechCambridge, United States$6.6M
Enbridge32Energy InfrastructureCalgary, Canada- SISINN Power GmbH32Energy & Climate TechAugsburg, Germany$1.0M
Norsk e-Fuel32Climate TechOslo, Norway
Agri-Light Energy Systems31Energy
Maxwell Technologies31Energy StorageSan Diego, United States
Soltrex31Robotics
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Exowatt | Energy Storage | Palo Alto, United States | $10.0M | 52 |
| Chevron | Oil & Gas | San Ramon, United States | $1.0B | 70 |
| Tesvolt | Energy Storage | Lutherstadt Wittenberg, Germany | $47.8M | 61 |
| Exergy3 | Cleantech | Edinburgh, United Kingdom | $25.5M | 54 |
| Hadron Energy | Energy | Houston, United States | $8.2M | 54 |
| TheStorage | Cleantech | Tampere, Finland | $6.8M | 54 |
| Montis VC | Venture Capital | Warsaw, Poland | — | 53 |
| Plume | Climate Tech | Paris, France | $3.3M | 52 |
| PowerUp | Clean Energy | Tallinn, Estonia | $20.0M | 46 |
| Aquarius Engines | Automotive | Rosh Ha'ayin, Israel | $15.0M | 45 |
| Climate Tech | — | — | — | |
| Qasar | Clean Energy | — | — | — |
| Wärtsilä | Marine Technology | Helsinki, Finland | — | — |
| SolarEdge | Energy | Herzliya, Israel | $71.8M | 86 |
| Generate Capital | Sustainable Infrastructure | San Francisco, United States | $4.5B | 66 |
| Sunfire | Clean Energy | Dortmund, Germany | — | 64 |
| SolarSquare | Renewable Energy | Mumbai, India | $67.5M | 64 |
| Cowboy Space | SpaceTech | Denver, United States | $275.0M | 63 |
| Amogy | Clean Energy | Brooklyn, United States | $90.0M | 63 |
| C2C2i Semiconductors | Semiconductors | Bengaluru, India | $15.0M | 63 |
| Octopus | Energy | London, United Kingdom | $4.1B | 63 |
| ArtIn Energy | Energy | Tampa, United States | $255.0M | 62 |
| Stormfisher | Climate Tech | — | $430.0M | 61 |
| Solar Landscape | Renewable Energy | Asbury Park, USA | $775.9M | 61 |
| Envision | Renewable Energy | Shanghai, China | — | 61 |
| Alsym Energy | Energy Storage | Palo Alto, United States | $155.1M | 61 |
| CACarbonCount Holdings 1 | Sustainable Infrastructure | — | $508.0M | 60 |
| Crusoe Inc | Climate Tech | Louisville, United States | $435.0M | 58 |
| DG Matrix | Clean Energy | Morrisville, United States | $80.0M | 57 |
| Electra | Climate Tech | Tel Aviv, Israel | $301.0M | 57 |
| IONITY | Automotive | Munich, Germany | $1.4B | 57 |
| Heron Power | Climate Tech | Tel Aviv, Israel | $10.0M | 55 |
| DUDunia Innovations | Artificial Intelligence | Berlin, Germany | — | 54 |
| Norsepower | Climate Tech | Helsinki, Finland | $498.2M | 54 |
| ADAdani Group | Data Centers | Ahmedabad, India | $100.0B | 54 |
| Voxel Energy | Renewable Energy | San Francisco, United States | — | 54 |
| ZOOZ Power | Electric Vehicle (EV) | Tel Aviv, Israel | $36.4M | 54 |
| Voltify Inc. | Rail Electrification | Philadelphia, United States | $30.0M | 54 |
| BUBudderfly | Energy | Shelton, USA | $1.3B | 53 |
| Luminescent | Cleantech | San Francisco, United States | $7.0M | 53 |
| Zola Electric | Clean Energy | Bengaluru, India | — | 53 |
| Lightsource BP | Solar Energy | London, United Kingdom | $418.0M | 52 |
| Nuvve New Mexico | Energy | Socorro, USA | $50.0M | 49 |
| Antares Industries | Nuclear Energy | Los Angeles, United States | — | 49 |
| Clairion | Climate | Tel Aviv, Israel | — | 47 |
| Green Gravity | Clean Energy | Wollongong, Australia | $10.0M | 47 |
| Daystar Power | Energy | Lagos, Nigeria | $150.0M | 47 |
| FLFleetzero | Climate Tech | San Francisco, United States | — | 46 |
| NENeogenyx Fuels | Renewable Energy | San Diego, United States | $400.0M | 45 |
| AIAI | Artificial Intelligence | San Francisco, United States | — | 45 |
| GRgroSolar | Solar Energy | Columbia, United States | $13.1M | 41 |
| Jether Energy | Cleantech | — | — | 37 |
| FuelCell Energy | Clean Energy | Danbury, United States | — | 36 |
| NetZeroNitrogen | Climate Tech | Cambridge, United States | $6.6M | 35 |
| Enbridge | Energy Infrastructure | Calgary, Canada | — | 32 |
| SISINN Power GmbH | Energy & Climate Tech | Augsburg, Germany | $1.0M | 32 |
| Norsk e-Fuel | Climate Tech | Oslo, Norway | — | 32 |
| Agri-Light Energy Systems | Energy | — | — | 31 |
| Maxwell Technologies | Energy Storage | San Diego, United States | — | 31 |
| Soltrex | Robotics | — | — | 31 |