The Geothermal “Holy Grail” Just Got a Reality Check: Inside Eavor’s Geretsried Breakthrough May 22, 2026 It’s not every day a deep-tech energy company publishes a detailed technical report that openly documents what went wrong on its flagship project—and still comes out looking stronger. That’s exactly what Eavor Technologies did with its Geretsried geothermal project in Bavaria, Germany. The result is unusually transparent: part technical post-mortem, part validation of a technology many have doubted for years. And the core message is simple. They built it. It works. But it wasn’t smooth. The short version Eavor is trying to solve one of geothermal energy’s hardest problems: how to produce reliable heat and power anywhere, not just in rare volcanic hotspots. Their claim has always been bold: a closed-loop geothermal system that is scalable, dispatchable, low-carbon, and independent of natural reservoirs. Critics have long argued it wouldn’t survive real-world conditions—e...
“Mazama Energy Unveils the World’s Hottest Geothermal System — A Blueprint for Terawatt-Scale Clean Energy”
Mazama Energy Ignites a New Era: The World’s Hottest Geothermal System Powers Toward a Carbon-Free Future By Robert Buluma , October 2025 In a quiet corner of Oregon’s Cascade Range, deep beneath the rugged volcanic landscape of Newberry, a new energy revolution is taking shape. Mazama Energy — a startup incubated by Khosla Ventures and backed by Gates Frontier — has just achieved a technological milestone that could change the way we power the planet. At a staggering 629 °F (331 °C), Mazama’s newly completed Enhanced Geothermal System (EGS) is now the hottest ever recorded on Earth. And this is just the beginning. By 2026, the company expects to push those temperatures to 750 °F (400 °C) — unlocking enough energy to power gigawatts of clean electricity from this single site. 🔥 Cracking the Code of the Earth’s Heat For decades, geothermal energy has been the “quiet cousin” of renewables — clean, reliable, but limited to places where hot water naturally flows near the sur...