Mazama Energy achieves world-record 629°F (331°C) temperature in superhot Enhanced Geothermal System at Newberry Volcano, Oregon

Mazama Energy/Newberry Superhot EGS Pilot

Mazama Energy completed drilling at Newberry Volcano in Central Oregon and measured a record-breaking temperature of 629°F (331°C) in engineered geothermal rock, the highest temperature ever recorded in an artificial Enhanced Geothermal System. The milestone validates superhot rock as a viable energy source for utility-scale power generation.

• Record 629°F (331°C) in Newberry pilot—highest measured EGS temperature globally
• Two-mile-deep wells into crystalline rock with no natural reservoir
• Validates Mazama's MUSE platform (Mazama Drill, Thermal Lattice, HeatHarvester)
• Newberry site holds 5+ GW thermal resource, enabling 200+ MW deployment for 50+ years