Alternatives to Sunfire
The top Clean Energy companies similar to Sunfire, 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.
Rodatherm Energy42Energy StorageTel Aviv, Israel$26.2M
HIF Global53Santiago, Chile$150.0M
Amogy63Clean EnergyBrooklyn, United States$90.0M
Stormfisher61Climate Tech$430.0M
Electra57Climate TechTel Aviv, Israel$301.0M
H2Pro53WaterTel Aviv, Israel
Clairion47ClimateTel Aviv, Israel
FuelCell Energy36Clean EnergyDanbury, United States
Norsk e-Fuel32Climate TechOslo, Norway
Aemetis15Climate TechCupertino, United States
Cylib62Battery RecyclingGermany, Germany$66.6M
ArtIn Energy62EnergyTampa, United States$255.0M
Alsym Energy61Energy StoragePalo Alto, United States$155.1M
Hadron Energy54EnergyHouston, United States$8.2M
Greenlyte54Climate TechEssen, Germany$15.0M
NitroFix49AgritechTel Aviv, Israel$3.1M
SunHydrogen45Clean EnergySanta Barbara, United States$2.1M- NENeogenyx Fuels45Renewable EnergySan Diego, United States$400.0M
- SPSpark Cleantech39Climate TechCambridge, United Kingdom$34.6M
NetZeroNitrogen35Climate TechCambridge, United States$6.6M
HydroLite25EnergyTel Aviv, Israel
Ayrton EnergyClean EnergyCalgary, Canada
Stegra70GreenTechBoden, Sweden$8.2B
Apollo63EnergyRamat Gan, Israel$50.0M
Rega Energy63Clean EnergyLisbon, Portugal$17.0M
Tesvolt61Energy StorageLutherstadt Wittenberg, Germany$47.8M
Envision61Renewable EnergyShanghai, China
Bloom Energy58Energy & Climate TechSan Jose, United States$760.0M
Northvolt AB58Energy StorageStockholm, Sweden$10.4B
GPS Renewables58Clean EnergyBengaluru, India$80.8M
Element Zero55Climate TechBoston, United States$10.0M
Inertia Enterprises55ClimateLivermore, United States$550.0M
Heron Power55Climate TechTel Aviv, Israel$10.0M
TheStorage54CleantechTampere, Finland$6.8M
Norsepower54Climate TechHelsinki, Finland$498.2M
Exergy354CleantechEdinburgh, United Kingdom$25.5M
Luminescent53CleantechSan Francisco, United States$7.0M
Montis VC53Venture CapitalWarsaw, Poland
CarbonX52Battery TechnologyGroningen, Netherlands$22.4M
SunGreenH252Clean EnergySingapore, Singapore$3.5M
Exowatt52Energy StoragePalo Alto, United States$10.0M- FOFourth Power51Energy StorageSan Carlos, United States$49.0M
Antares Industries49Nuclear EnergyLos Angeles, United States
General Fusion48Nuclear FusionVancouver, Canada
Daystar Power47EnergyLagos, Nigeria$150.0M
Commonwealth Fusion Systems46Clean EnergyDevens, United States$2.0B- FLFleetzero46Climate TechSan Francisco, United States
Plagazi42Climate TechHelsingborg, Sweden$59.0M
REplace39Climate Tech$2.1M- ALAllye Energy37Climate TechHouston, United States$5.2M
- CLClimateShield37Climate TechHouston, United States$10.0M
- FUFusion Energy Labs34Clean EnergySan Francisco, United States
Carbonade31IndustrialTel Aviv, Israel
Soltrex31Robotics
Hydro Water Tech21AluminiumRehovot, Israel- BIBioH2gene15Synthetic BiologyTel Aviv, Israel
Hydro X8HydrogenSan Francisco, United States- GRGravitricity0Clean EnergyEdinburgh, United Kingdom
- A1A123 Systems0Battery TechnologyWaltham, United States
Mitsubishi Heavy IndustriesEnergy SystemsTokyo, Japan
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Rodatherm Energy | Energy Storage | Tel Aviv, Israel | $26.2M | 42 |
| HIF Global | — | Santiago, Chile | $150.0M | 53 |
| Amogy | Clean Energy | Brooklyn, United States | $90.0M | 63 |
| Stormfisher | Climate Tech | — | $430.0M | 61 |
| Electra | Climate Tech | Tel Aviv, Israel | $301.0M | 57 |
| H2Pro | Water | Tel Aviv, Israel | — | 53 |
| Clairion | Climate | Tel Aviv, Israel | — | 47 |
| FuelCell Energy | Clean Energy | Danbury, United States | — | 36 |
| Norsk e-Fuel | Climate Tech | Oslo, Norway | — | 32 |
| Aemetis | Climate Tech | Cupertino, United States | — | 15 |
| Cylib | Battery Recycling | Germany, Germany | $66.6M | 62 |
| ArtIn Energy | Energy | Tampa, United States | $255.0M | 62 |
| Alsym Energy | Energy Storage | Palo Alto, United States | $155.1M | 61 |
| Hadron Energy | Energy | Houston, United States | $8.2M | 54 |
| Greenlyte | Climate Tech | Essen, Germany | $15.0M | 54 |
| NitroFix | Agritech | Tel Aviv, Israel | $3.1M | 49 |
| SunHydrogen | Clean Energy | Santa Barbara, United States | $2.1M | 45 |
| NENeogenyx Fuels | Renewable Energy | San Diego, United States | $400.0M | 45 |
| SPSpark Cleantech | Climate Tech | Cambridge, United Kingdom | $34.6M | 39 |
| NetZeroNitrogen | Climate Tech | Cambridge, United States | $6.6M | 35 |
| HydroLite | Energy | Tel Aviv, Israel | — | 25 |
| Ayrton Energy | Clean Energy | Calgary, Canada | — | — |
| Stegra | GreenTech | Boden, Sweden | $8.2B | 70 |
| Apollo | Energy | Ramat Gan, Israel | $50.0M | 63 |
| Rega Energy | Clean Energy | Lisbon, Portugal | $17.0M | 63 |
| Tesvolt | Energy Storage | Lutherstadt Wittenberg, Germany | $47.8M | 61 |
| Envision | Renewable Energy | Shanghai, China | — | 61 |
| Bloom Energy | Energy & Climate Tech | San Jose, United States | $760.0M | 58 |
| Northvolt AB | Energy Storage | Stockholm, Sweden | $10.4B | 58 |
| GPS Renewables | Clean Energy | Bengaluru, India | $80.8M | 58 |
| Element Zero | Climate Tech | Boston, United States | $10.0M | 55 |
| Inertia Enterprises | Climate | Livermore, United States | $550.0M | 55 |
| Heron Power | Climate Tech | Tel Aviv, Israel | $10.0M | 55 |
| TheStorage | Cleantech | Tampere, Finland | $6.8M | 54 |
| Norsepower | Climate Tech | Helsinki, Finland | $498.2M | 54 |
| Exergy3 | Cleantech | Edinburgh, United Kingdom | $25.5M | 54 |
| Luminescent | Cleantech | San Francisco, United States | $7.0M | 53 |
| Montis VC | Venture Capital | Warsaw, Poland | — | 53 |
| CarbonX | Battery Technology | Groningen, Netherlands | $22.4M | 52 |
| SunGreenH2 | Clean Energy | Singapore, Singapore | $3.5M | 52 |
| Exowatt | Energy Storage | Palo Alto, United States | $10.0M | 52 |
| FOFourth Power | Energy Storage | San Carlos, United States | $49.0M | 51 |
| Antares Industries | Nuclear Energy | Los Angeles, United States | — | 49 |
| General Fusion | Nuclear Fusion | Vancouver, Canada | — | 48 |
| Daystar Power | Energy | Lagos, Nigeria | $150.0M | 47 |
| Commonwealth Fusion Systems | Clean Energy | Devens, United States | $2.0B | 46 |
| FLFleetzero | Climate Tech | San Francisco, United States | — | 46 |
| Plagazi | Climate Tech | Helsingborg, Sweden | $59.0M | 42 |
| REplace | Climate Tech | — | $2.1M | 39 |
| ALAllye Energy | Climate Tech | Houston, United States | $5.2M | 37 |
| CLClimateShield | Climate Tech | Houston, United States | $10.0M | 37 |
| FUFusion Energy Labs | Clean Energy | San Francisco, United States | — | 34 |
| Carbonade | Industrial | Tel Aviv, Israel | — | 31 |
| Soltrex | Robotics | — | — | 31 |
| Hydro Water Tech | Aluminium | Rehovot, Israel | — | 21 |
| BIBioH2gene | Synthetic Biology | Tel Aviv, Israel | — | 15 |
| Hydro X | Hydrogen | San Francisco, United States | — | 8 |
| GRGravitricity | Clean Energy | Edinburgh, United Kingdom | — | 0 |
| A1A123 Systems | Battery Technology | Waltham, United States | — | 0 |
| Mitsubishi Heavy Industries | Energy Systems | Tokyo, Japan | — | — |