Alternatives to Helion
The top Clean Energy companies similar to Helion, 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.
Zap Energy62Clean EnergyEverett, USA$324.0M
Commonwealth Fusion Systems46Clean EnergyDevens, United States$2.0B
TAE Technologies73Nuclear FusionFoothill Ranch, United States
Inertia Enterprises55ClimateLivermore, United States$550.0M
NT-Tao54EnergyTel Aviv, Israel$27.5M- AMAmperesand59EnergyPalo Alto, United States$10.0M
- BUBudderfly53EnergyShelton, USA$1.3B
EExion50Energy$2.0M
General Fusion48Nuclear FusionVancouver, Canada- FUFusion Energy Labs34Clean EnergySan Francisco, United States
- POPower Roll0Clean EnergySwindon, United Kingdom
Comerc Energia75EnergySão Paulo, Brazil$589.0M
Esentia Energy Development70EnergyMexico City, Mexico$2.0B
Apollo63EnergyRamat Gan, Israel$50.0M
Barrell63LithiumDenver, USA
Octopus63EnergyLondon, United Kingdom$4.1B
Lithium de France62EnergyPau, France$10.0M
ArtIn Energy62EnergyTampa, United States$255.0M- GRGreen Flexibility61EnergyAmsterdam, Netherlands$400.0M
- LILion Storage61EnergySan Francisco, United States$350.0M
- NONorrsken60Venture CapitalStockholm, Sweden$63.0M
- THThinkLabs AI57EnergySan Francisco, United States$28.0M
BluWave-ai54EnergyOttawa, Canada
EnergyX54Energy & Climate TechAustin, United States- FOFonto Power54EnergySan Francisco, United States$15.0M
ZOOZ Power54Electric Vehicle (EV)Tel Aviv, Israel$36.4M
Hadron Energy54EnergyHouston, United States$8.2M
Montis VC53Venture CapitalWarsaw, Poland
ConnectDER53Clean EnergyPhiladelphia, United States$62.0M
Luminescent53CleantechSan Francisco, United States$7.0M- BLBlue Energy49EnergyLondon, United Kingdom$380.0M
GigCapital748Financial ServicesHouston, United States$200.0M
Daystar Power47EnergyLagos, Nigeria$150.0M
Savion Health47EnergyKansas City, United States$115.0M
SolarGik46EnergyTel Aviv, Israel
Plagazi42Climate TechHelsingborg, Sweden$59.0M
SolOr40CleantechSan Francisco, United States
Chiral Energies40EnergyPalo Alto, United States$10.0M
Windbreak39Energy
CoGo39Climate TechLondon, United Kingdom$1.8M- BRBrill Power37Energy StorageOxford, United Kingdom$14.2M
Kathairos Solutions37Clean EnergyCalgary, Canada
Jether Energy37Cleantech
SmartGreen37IndustrialTel Aviv, Israel$3.0M
NetZeroNitrogen35Climate TechCambridge, United States$6.6M
Exency35EnergyTel Aviv, Israel
Fusion Power AI35Consulting
BeAir Water and Air Technologies33Water TreatmentTel Aviv, Israel
Marine Edge32MaritimeOslo, Norway
BaTTeRi25Energy
HydroLite25EnergyTel Aviv, Israel
Eocycle21Wind EnergyQuebec City, Canada
TIGI Solar19ThermalTel Aviv, Israel
Electriq Global18ElectricitySan Jose, United States
Aemetis15Climate TechCupertino, United States- SASadi Thermal Machines12Climate TechScotts Valley, United States
- TATAQA Group10UtilitiesAbu Dhabi, United Arab Emirates
EcoFlow Solutions10Water TreatmentSeattle, United States- FUFusion Energy10Nuclear Fusion
EDF Energy10EnergyLondon, United Kingdom
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Zap Energy | Clean Energy | Everett, USA | $324.0M | 62 |
| Commonwealth Fusion Systems | Clean Energy | Devens, United States | $2.0B | 46 |
| TAE Technologies | Nuclear Fusion | Foothill Ranch, United States | — | 73 |
| Inertia Enterprises | Climate | Livermore, United States | $550.0M | 55 |
| NT-Tao | Energy | Tel Aviv, Israel | $27.5M | 54 |
| AMAmperesand | Energy | Palo Alto, United States | $10.0M | 59 |
| BUBudderfly | Energy | Shelton, USA | $1.3B | 53 |
| EExion | Energy | — | $2.0M | 50 |
| General Fusion | Nuclear Fusion | Vancouver, Canada | — | 48 |
| FUFusion Energy Labs | Clean Energy | San Francisco, United States | — | 34 |
| POPower Roll | Clean Energy | Swindon, United Kingdom | — | 0 |
| Comerc Energia | Energy | São Paulo, Brazil | $589.0M | 75 |
| Esentia Energy Development | Energy | Mexico City, Mexico | $2.0B | 70 |
| Apollo | Energy | Ramat Gan, Israel | $50.0M | 63 |
| Barrell | Lithium | Denver, USA | — | 63 |
| Octopus | Energy | London, United Kingdom | $4.1B | 63 |
| Lithium de France | Energy | Pau, France | $10.0M | 62 |
| ArtIn Energy | Energy | Tampa, United States | $255.0M | 62 |
| GRGreen Flexibility | Energy | Amsterdam, Netherlands | $400.0M | 61 |
| LILion Storage | Energy | San Francisco, United States | $350.0M | 61 |
| NONorrsken | Venture Capital | Stockholm, Sweden | $63.0M | 60 |
| THThinkLabs AI | Energy | San Francisco, United States | $28.0M | 57 |
| BluWave-ai | Energy | Ottawa, Canada | — | 54 |
| EnergyX | Energy & Climate Tech | Austin, United States | — | 54 |
| FOFonto Power | Energy | San Francisco, United States | $15.0M | 54 |
| ZOOZ Power | Electric Vehicle (EV) | Tel Aviv, Israel | $36.4M | 54 |
| Hadron Energy | Energy | Houston, United States | $8.2M | 54 |
| Montis VC | Venture Capital | Warsaw, Poland | — | 53 |
| ConnectDER | Clean Energy | Philadelphia, United States | $62.0M | 53 |
| Luminescent | Cleantech | San Francisco, United States | $7.0M | 53 |
| BLBlue Energy | Energy | London, United Kingdom | $380.0M | 49 |
| GigCapital7 | Financial Services | Houston, United States | $200.0M | 48 |
| Daystar Power | Energy | Lagos, Nigeria | $150.0M | 47 |
| Savion Health | Energy | Kansas City, United States | $115.0M | 47 |
| SolarGik | Energy | Tel Aviv, Israel | — | 46 |
| Plagazi | Climate Tech | Helsingborg, Sweden | $59.0M | 42 |
| SolOr | Cleantech | San Francisco, United States | — | 40 |
| Chiral Energies | Energy | Palo Alto, United States | $10.0M | 40 |
| Windbreak | Energy | — | — | 39 |
| CoGo | Climate Tech | London, United Kingdom | $1.8M | 39 |
| BRBrill Power | Energy Storage | Oxford, United Kingdom | $14.2M | 37 |
| Kathairos Solutions | Clean Energy | Calgary, Canada | — | 37 |
| Jether Energy | Cleantech | — | — | 37 |
| SmartGreen | Industrial | Tel Aviv, Israel | $3.0M | 37 |
| NetZeroNitrogen | Climate Tech | Cambridge, United States | $6.6M | 35 |
| Exency | Energy | Tel Aviv, Israel | — | 35 |
| Fusion Power AI | Consulting | — | — | 35 |
| BeAir Water and Air Technologies | Water Treatment | Tel Aviv, Israel | — | 33 |
| Marine Edge | Maritime | Oslo, Norway | — | 32 |
| BaTTeRi | Energy | — | — | 25 |
| HydroLite | Energy | Tel Aviv, Israel | — | 25 |
| Eocycle | Wind Energy | Quebec City, Canada | — | 21 |
| TIGI Solar | Thermal | Tel Aviv, Israel | — | 19 |
| Electriq Global | Electricity | San Jose, United States | — | 18 |
| Aemetis | Climate Tech | Cupertino, United States | — | 15 |
| SASadi Thermal Machines | Climate Tech | Scotts Valley, United States | — | 12 |
| TATAQA Group | Utilities | Abu Dhabi, United Arab Emirates | — | 10 |
| EcoFlow Solutions | Water Treatment | Seattle, United States | — | 10 |
| FUFusion Energy | Nuclear Fusion | — | — | 10 |
| EDF Energy | Energy | London, United Kingdom | — | 10 |