Fervo Energy

Fervo Energy is a renewable energy company that focuses on developing and operating advanced geothermal energy assets. Founded in 2017, the company utilizes technologies from the oil and gas industry, such as horizontal drilling and distributed fiber optic sensing, to access geothermal resources in areas previously deemed uneconomical. The company generates and sells reliable, carbon-free geothermal electricity, primarily targeting clients in the electricity sector aiming to decarbonize their operations. Fervo Energy employs enhanced geothermal systems (EGS) technology, which efficiently converts the Earth's natural heat into electricity while ensuring sustainability through the reinjection of water. Their flagship project, the Cape Station Project, demonstrates their ability to provide consistent baseload power. Fervo Energy serves a range of customers, including corporations with carbon-free electricity goals and federal facilities required to use clean power. The company has also partnered with Alphabet to supply green electricity to cooling centers in Las Vegas. With over $400 million in funding, Fervo Energy is well-positioned to advance its mission of delivering clean, dispatchable geothermal power.

Renewables & Environment Houston, United States Founded 2017 ~283 employees Private · Debt Financing

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Employees
283
+6.8% in the 3 months to Sep 2026
Revenue / employee
$398K
Revenue ~$113M
Total funding
$1B
Last round Debt Financing, Jun 2025
12-month attrition
10.6%
Tech: 17.5%
H1B filings, FY2026
5
Sponsors visas

Headcount trend

Fervo Energy went from 128 employees in Oct 2024 to 283 in Sep 2026. Apr to Sep 2026: 68 people joined, 8 left.

Org structure

Headcount by department

Other124
Engineering68
Operations46
Finance30
HR12
Marketing2
Sales1

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering4
Executive1
IT1

The department split adds up all the years listed above. FY2026 alone: 5 filings.

Funding

  • Jun 2025 · $100M
  • Jun 2025 · Debt Financing · $106M
  • Dec 2024 · Series D · $255M
  • Dec 2024 · Debt Financing · $120M
  • Feb 2024 · $244M · Breakthrough Energy Ventures, Capricorn Investment Group, DCVC
  • Apr 2023 · $10M · Devon Energy Corporation
  • Aug 2022 · Series C · $138M · DCVC, CPP Investments, Liberty Energy
  • Apr 2021 · Series B · $28M · Breakthrough Energy Ventures

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Fervo Energy FAQ

How many employees does Fervo Energy have?

Fervo Energy has about 283 employees, up 6.8% over the 3 months to Sep 2026.

Does Fervo Energy sponsor H1B visas?

Yes. Fervo Energy filed 5 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is Fervo Energy's revenue per employee?

Fervo Energy makes about $398K in revenue per employee, based on $112.5M annual revenue and 283 employees.

How much funding has Fervo Energy raised?

Fervo Energy has raised $1B in total funding; its latest round was Debt Financing in Jun 2025.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.