Fervo Energy
Delivering 24/7 carbon-free energy through development of next-generation geothermal projects.
216 employees · est. 2017 · Houston, United States
GreenFire Energy Inc
Unlocking premium power for the industries that need it most by matching technology to geology.
24 employees · est. 2014 · Walnut Creek, United States
GreenFire Energy Inc is the older company (2017 vs 2014); Fervo Energy is the larger of the two.
2 signals in the last 90 days
Side-by-Side Comparison
| Metric | Fervo Energy | GreenFire Energy Inc |
|---|---|---|
| Founded | ||
| Founded | 2017 | 2014 older |
| Headquarters | ||
| Headquarters | Houston, United States | Walnut Creek, United States |
| Employees | ||
| Employees | 216 larger | 24 |
| Industry | ||
| Industry | Not tracked yet | Energy, Renewable Energy, Clean Energy |
| Funding Stage | ||
| Funding Stage | Series E | Series A |
| Total Funding | ||
| Total Funding | $1.01B | $22.56M |
| Funding Rounds | ||
| Funding Rounds | 13 | 6 |
| Services | ||
| Services | Geothermal Energy Generation, Energy Technology Development, Renewable Energy Project Management, Environmental Health and Safety Consulting | Geothermal Development, Heat Recovery Techniques, Technology Integration, Resource Revitalization |
| Target Customers | ||
| Target Customers | Data Centers, Electricity Sector Providers, Renewable Energy Investors, Public Sector Supporting Clean Energy, Energy Policy Makers | Geothermal Operators, Resource Owners, Energy-Intensive Companies, Military Installations |
| Taxonomy | ||
| Taxonomy | Carbon-free Energy, Next-generation Geothermal, Geoscience Innovation, Sustainable Energy Transition, Geothermal Power Development, Drilling Technology, Subsurface Analytics, Cost-competitive Geothermal, Proprietary Technology, Geothermal Asset Ownership, Energy Dispatchability, Clean Energy Future, Renewable Energy Commercialization | Geothermal Solutions, Baseload Power, Greenfield Projects, Closed-loop Technology, Energy Assurance, Geothermal Technology, Resilient Energy, Sustainable Energy, Energy Transition, Advanced Geothermal Systems, GreenLoop Technology, Patented Technology, Geothermal Innovation, Energy Partnerships, Climate Tech |
| Website | ||
| Website | fervoenergy.com | greenfireenergy.com |
About Fervo Energy
Fervo Energy, founded in 2017 and headquartered in the United States, is pioneering in delivering 24/7 carbon-free energy through cutting-edge geothermal projects. With a clear mission to leverage geoscience innovations, Fervo is pivotal in accelerating the shift toward sustainable energy. The compa...
About GreenFire Energy Inc
GreenFire Energy Inc, founded in 2014, is redefining the renewable power landscape by delivering innovative geothermal solutions tailored to enhance the productivity of geothermal fields. Operating out of the United States, the company addresses critical energy needs with a focus on sustainable and...
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Funding, hiring, leadership and stack changes at Fervo Energy and GreenFire Energy Inc — by email.
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Compiled from the BounceWatch company index. We last looked at Fervo Energy on 2 Mar 2026, and GreenFire Energy Inc on 18 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
