Fervo Energy's $462 Million Geothermal Gold Rush: Google Joins the Heat By:  Robert Buluma December 10, 2025 In the fast-evolving world of clean energy, where solar panels dominate skylines and wind farms stretch across horizons, a deeper and quieter revolution is rising from beneath our feet. Fervo Energy, the Houston-based innovator in enhanced geothermal systems (EGS), has just announced an astonishing $462 million Series E funding round. This isn’t just another climate-tech investment,it's a tectonic moment for geothermal energy. The round was led by   B Capital , joined by major players including Google , Tesla co-founder JB Straubel, and nuclear industry leader Kris Singh. With continued backing from Breakthrough Energy Ventures and Devon Energy, Fervo’s total funding now exceeds $1.5 billion. Why the sudden rush? As AI-driven data centers consume unprecedented amounts of electricity and political winds shift around renewable priorities, geothermal’s promise of 2...