Critical Energy
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Investors
Founders
About
Critical Energy is a Los Angeles-based startup developing modular 2.5-5 MW geothermal turbines designed to be manufactured on assembly lines, shipped via standard trucking containers, and assembled rapidly at project sites 12. The company aims to commercialize factory-built geothermal power plants targeting AI data center operators and hyperscale cloud providers seeking reliable baseload power 23. Critical Energy was founded by Spencer Jackson, a former SpaceX engineer, who serves as chief executive officer 12.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2026-06-18 | Seed | $19M | Susa Ventures, Upfront Ventures | MaC Venture Capital, Susquehanna Sustainable Investments, Humba Ventures, Scribble Ventures, Underground Ventures 123 |
The company also secured $3 million in venture debt from Silicon Valley Bank, bringing total funds raised to $22 million 12.
What Investors Say
No independently sourced investor quotes found at this time.
What Founders Say
No independently sourced founder quotes found at this time.
Sources
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ThinkGeoEnergy, “Critical Energy raises $22m seed funding for modular geothermal power plants,” June 18, 2026. Accessed June 2026. https://www.thinkgeoenergy.com/critical-energy-raises-22m-seed-funding-for-modular-geothermal-power-plants/↩↩↩↩
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Data Center Dynamics, “Critical Energy raises $22m to develop modular geothermal plants targeting data centers,” June 2026. Accessed June 2026. https://www.datacenterdynamics.com/en/news/critical-energy-raises-22m-to-develop-modular-geothermal-plants-targeting-data-centers/↩↩↩↩↩
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The Next Web, “Critical Energy raises $22M for factory-built geothermal,” June 2026. Accessed June 2026. https://thenextweb.com/news/critical-energy-22-million-modular-geothermal-turbines↩↩