Alternatives to Commonwealth Fusion Systems
The top Clean Energy companies similar to Commonwealth Fusion Systems, 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 Commonwealth Fusion Systems (48) →
Inertia Enterprises55ClimateLivermore, United States$550.0M
General Fusion48Nuclear FusionVancouver, Canada- FUFusion Energy Labs34Clean EnergySan Francisco, United States
TAE Technologies73Nuclear FusionFoothill Ranch, United States- XCXcimer Energy62EnergyLivermore, United States$10.0M
- FOFocused Energy61EnergyDarmstadt, Germany$240.0M
NT-Tao54EnergyTel Aviv, Israel$27.5M- Quantum FusionEnergy
Helion83Clean EnergyEverett, USA$3.6B
Radiant74Nuclear EnergyEl Segundo, United States$518.0M
Zap Energy62Clean EnergyEverett, USA$324.0M
Sunfire64Clean EnergyDortmund, Germany
Amogy63Clean EnergyBrooklyn, United States$90.0M
Apollo63EnergyRamat Gan, Israel$50.0M
Alsym Energy61Energy StoragePalo Alto, United States$155.1M
Electra57Climate TechTel Aviv, Israel$301.0M
Greenlyte54Climate TechEssen, Germany$15.0M
Hadron Energy54EnergyHouston, United States$8.2M
H2Pro53WaterTel Aviv, Israel
Coolbrook52Industrial TechnologyHelsinki, Finland$100.0M
CarbonX52Battery TechnologyGroningen, Netherlands$22.4M- FOFourth Power51Energy StorageSan Carlos, United States$49.0M
- PRPrevalon Energy48Energy StorageSan Jose, United States$100.0M
H2SITE46CleantechBilbao, Spain$50.0M
SunHydrogen44Clean EnergySanta Barbara, United States$2.1M
Rodatherm Energy42Energy StorageTel Aviv, Israel$26.2M
FuelCell Energy36Clean EnergyDanbury, United States
HydroLite25EnergyTel Aviv, Israel- FUFusion Energy10Nuclear Fusion
Silicon Ranch75Clean EnergyNashville, United States
Comerc Energia75EnergySão Paulo, Brazil$589.0M
Esentia Energy Development70EnergyMexico City, Mexico$2.0B
Enpal70Climate TechBerlin, Germany$3.2B
Valar Atomics67Climate TechEl Segundo, United States$592.5M
Generate Capital66Sustainable InfrastructureSan Francisco, United States$4.5B
SolarSquare64Renewable EnergyMumbai, India$67.5M
Octopus63EnergyLondon, United Kingdom$4.1B
Rega Energy63Clean EnergyLisbon, Portugal$17.0M
Barrell63LithiumDenver, USA
ArtIn Energy62EnergyTampa, United States$255.0M
Cylib62Battery RecyclingGermany, Germany$66.6M
Altilium62Battery RecyclingPlymouth, United Kingdom$39.2M
Eavor Technologies Inc.62Clean EnergyCalgary, Canada- LILion Storage61EnergySan Francisco, United States$350.0M
Solar Landscape61Renewable EnergyAsbury Park, USA$775.9M
Envision61Renewable EnergyShanghai, China
Stormfisher61Climate Tech$430.0M- GRGreen Flexibility61EnergyAmsterdam, Netherlands$400.0M
Tesvolt61Energy StorageLutherstadt Wittenberg, Germany$47.8M- CACarbonCount Holdings 160Sustainable Infrastructure$508.0M
- FUFuse Energy59EnergyLondon, United Kingdom$30.0M
Northvolt AB58Energy StorageStockholm, Sweden$10.4B
GPS Renewables58Clean EnergyBengaluru, India$80.8M
Crusoe Inc58Climate TechLouisville, United States$435.0M
Freyr Battery57Energy StorageLuxembourg City, Luxembourg$2.7B
Heron Power55Climate TechTel Aviv, Israel$10.0M- ENencosa54EnergyMunich, Germany$25.0M
Exergy354CleantechEdinburgh, United Kingdom$25.5M
InCharge Energy54Electric VehiclesLos Angeles, USA$56.0M
TheStorage54CleantechTampere, Finland$6.8M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Inertia Enterprises | Climate | Livermore, United States | $550.0M | 55 |
| General Fusion | Nuclear Fusion | Vancouver, Canada | — | 48 |
| FUFusion Energy Labs | Clean Energy | San Francisco, United States | — | 34 |
| TAE Technologies | Nuclear Fusion | Foothill Ranch, United States | — | 73 |
| XCXcimer Energy | Energy | Livermore, United States | $10.0M | 62 |
| FOFocused Energy | Energy | Darmstadt, Germany | $240.0M | 61 |
| NT-Tao | Energy | Tel Aviv, Israel | $27.5M | 54 |
| Energy | — | — | — | |
| Helion | Clean Energy | Everett, USA | $3.6B | 83 |
| Radiant | Nuclear Energy | El Segundo, United States | $518.0M | 74 |
| Zap Energy | Clean Energy | Everett, USA | $324.0M | 62 |
| Sunfire | Clean Energy | Dortmund, Germany | — | 64 |
| Amogy | Clean Energy | Brooklyn, United States | $90.0M | 63 |
| Apollo | Energy | Ramat Gan, Israel | $50.0M | 63 |
| Alsym Energy | Energy Storage | Palo Alto, United States | $155.1M | 61 |
| Electra | Climate Tech | Tel Aviv, Israel | $301.0M | 57 |
| Greenlyte | Climate Tech | Essen, Germany | $15.0M | 54 |
| Hadron Energy | Energy | Houston, United States | $8.2M | 54 |
| H2Pro | Water | Tel Aviv, Israel | — | 53 |
| Coolbrook | Industrial Technology | Helsinki, Finland | $100.0M | 52 |
| CarbonX | Battery Technology | Groningen, Netherlands | $22.4M | 52 |
| FOFourth Power | Energy Storage | San Carlos, United States | $49.0M | 51 |
| PRPrevalon Energy | Energy Storage | San Jose, United States | $100.0M | 48 |
| H2SITE | Cleantech | Bilbao, Spain | $50.0M | 46 |
| SunHydrogen | Clean Energy | Santa Barbara, United States | $2.1M | 44 |
| Rodatherm Energy | Energy Storage | Tel Aviv, Israel | $26.2M | 42 |
| FuelCell Energy | Clean Energy | Danbury, United States | — | 36 |
| HydroLite | Energy | Tel Aviv, Israel | — | 25 |
| FUFusion Energy | Nuclear Fusion | — | — | 10 |
| Silicon Ranch | Clean Energy | Nashville, United States | — | 75 |
| Comerc Energia | Energy | São Paulo, Brazil | $589.0M | 75 |
| Esentia Energy Development | Energy | Mexico City, Mexico | $2.0B | 70 |
| Enpal | Climate Tech | Berlin, Germany | $3.2B | 70 |
| Valar Atomics | Climate Tech | El Segundo, United States | $592.5M | 67 |
| Generate Capital | Sustainable Infrastructure | San Francisco, United States | $4.5B | 66 |
| SolarSquare | Renewable Energy | Mumbai, India | $67.5M | 64 |
| Octopus | Energy | London, United Kingdom | $4.1B | 63 |
| Rega Energy | Clean Energy | Lisbon, Portugal | $17.0M | 63 |
| Barrell | Lithium | Denver, USA | — | 63 |
| ArtIn Energy | Energy | Tampa, United States | $255.0M | 62 |
| Cylib | Battery Recycling | Germany, Germany | $66.6M | 62 |
| Altilium | Battery Recycling | Plymouth, United Kingdom | $39.2M | 62 |
| Eavor Technologies Inc. | Clean Energy | Calgary, Canada | — | 62 |
| LILion Storage | Energy | San Francisco, United States | $350.0M | 61 |
| Solar Landscape | Renewable Energy | Asbury Park, USA | $775.9M | 61 |
| Envision | Renewable Energy | Shanghai, China | — | 61 |
| Stormfisher | Climate Tech | — | $430.0M | 61 |
| GRGreen Flexibility | Energy | Amsterdam, Netherlands | $400.0M | 61 |
| Tesvolt | Energy Storage | Lutherstadt Wittenberg, Germany | $47.8M | 61 |
| CACarbonCount Holdings 1 | Sustainable Infrastructure | — | $508.0M | 60 |
| FUFuse Energy | Energy | London, United Kingdom | $30.0M | 59 |
| Northvolt AB | Energy Storage | Stockholm, Sweden | $10.4B | 58 |
| GPS Renewables | Clean Energy | Bengaluru, India | $80.8M | 58 |
| Crusoe Inc | Climate Tech | Louisville, United States | $435.0M | 58 |
| Freyr Battery | Energy Storage | Luxembourg City, Luxembourg | $2.7B | 57 |
| Heron Power | Climate Tech | Tel Aviv, Israel | $10.0M | 55 |
| ENencosa | Energy | Munich, Germany | $25.0M | 54 |
| Exergy3 | Cleantech | Edinburgh, United Kingdom | $25.5M | 54 |
| InCharge Energy | Electric Vehicles | Los Angeles, USA | $56.0M | 54 |
| TheStorage | Cleantech | Tampere, Finland | $6.8M | 54 |