GoKawiilMazama Energy secures $135M Series B to advance super-hot-rock geothermal drilling
Mazama Energy closed an oversubscribed $135 million Series B round led by Centaurus Capital and Doerr Capital, with Vinod Khosla among earlier backers. The funds will support horizontal drilling into super-hot rock formations in Oregon, where each well could generate up to 15 megawatts, and the company now estimates the site could ultimately yield 10 gigawatts of power, double last year's projection.
GoKawiil's interpretation of the reporting above, not reported fact.
Enhanced geothermal is emerging as a serious contender to meet surging electricity demand from AI data centers, competing with natural gas as a power source. By drilling deeper than conventional geothermal projects to reach supercritical fluid temperatures, companies like Mazama could unlock dramatically higher power output per well, potentially reshaping the economics of clean baseload energy.
- Mazama raised $135M in Series B funding to scale super-hot-rock geothermal drilling in Oregon.
- The company doubled its power estimate for its first site to 10 gigawatts, targeting 200 megawatts by 2030.
- Enhanced geothermal is positioning itself as a competitive clean energy source for AI data center power demand.
Source: techcrunch.com — Tim De Chant, 2026-09-18
Published there as: “Khosla-backed Mazama Energy just raised $135M to drill deeper into super-hot-rock geothermal”
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