The 10 Hottest Geothermal Startups to Watch By : Robert Buluma In the second quarter of 2026 alone, a geothermal startup raised nearly $1.9 billion in an IPO , another announced plans for the world’s first commercial pressure geothermal facility, and a third began powering Amazon data centers with AI-discovered wells . After decades as a niche power source confined to volcanic hotspots, geothermal energy is having its breakout moment—and a new generation of startups is leading the charge. Driven by surging electricity demand from AI data centers, manufacturing reshoring, and electrification, investors are pouring billions into companies that can harness the Earth’s heat anywhere, not just in Iceland or California. The US Department of Energy estimates that next-generation geothermal could supply 100 gigawatts or more domestically—enough to power 75 million homes. What makes today’s geothermal startups different from their predecessors is technological convergence: fracking techniques ...
#1 source for global geothermal developments, technology, and analysis with insights