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Top 10 Geothermal Energy startups in USA
Jul 14, 2025 | By Alexander Gillet | 17 |
1
Funding: $991.6M
Fervo Energy commercializes proprietary technology to own, develop, and operate geothermal assets as the dispatchable foundation to a 100% clean energy future.
Fervo Energy commercializes proprietary technology to own, develop, and operate geothermal assets as the dispatchable foundation to a 100% clean energy future.
2
Funding: $134.5M
Dandelion is an Alphabet spinout that develops geothermal heating, air-conditioning and cooling systems
Dandelion is an Alphabet spinout that develops geothermal heating, air-conditioning and cooling systems
3
Funding: $91M
Quaise is an energy company pioneering millimeter wave drilling technology to access deep geothermal energy.
Quaise is an energy company pioneering millimeter wave drilling technology to access deep geothermal energy.
5
Funding: $42.2M
Zanskar develops a predictive platform informed by massive data for discovering previously unknown geothermal resources.
Zanskar develops a predictive platform informed by massive data for discovering previously unknown geothermal resources.
6
Funding: $36.5M
AltaRock Energy focuses on the development of geothermal energy resources and Enhanced Geothermal Systems (EGS).
AltaRock Energy focuses on the development of geothermal energy resources and Enhanced Geothermal Systems (EGS).
7
Funding: $22.6M
GreenFire Energy develops and deploys innovative technology to unlock the world’s largest source of continuous renewable energy.
GreenFire Energy develops and deploys innovative technology to unlock the world’s largest source of continuous renewable energy.
8
Funding: $20.5M
Bedrock Energy develops drilling technology and advanced subsurface simulation software to enable geothermal heating and cooling.
Bedrock Energy develops drilling technology and advanced subsurface simulation software to enable geothermal heating and cooling.
9
Funding: $17M
Sage combines innovative approaches to heat harvesting with modern oilfield expertise and methodologies to enable geothermal energy anywhere in the world
Sage combines innovative approaches to heat harvesting with modern oilfield expertise and methodologies to enable geothermal energy anywhere in the world
10
Funding: $12.5M
ignis H2 Energy Inc is a Geothermal exploration and development company that mainly provides sustainable green energy.
ignis H2 Energy Inc is a Geothermal exploration and development company that mainly provides sustainable green energy.
11
Funding: $200K
Renascent Energy Management is a privately held, technology-focused energy firm that is looking at several geothermal technologies to implement in the US and abroad.
Renascent Energy Management is a privately held, technology-focused energy firm that is looking at several geothermal technologies to implement in the US and abroad.
