Mazama Energy is now in the injection-well drilling phase of a three-well 2026 campaign at Newberry Volcano in Central Oregon, pushing toward rock temperatures above 400 degrees Celsius that the company says could make geothermal power economically competitive with natural gas. The Texas-based developer’s active field program marks the most aggressive step yet toward a commercial superhot rock geothermal plant in the United States. Mazama is pursuing what it calls a “SuperHot Rock” enhanced geothermal project on the western flank of the volcano, targeting temperatures above 400 degrees Celsius that could significantly boost power output compared with conventional geothermal wells. Why superhot rock changes the mathHarnessing these superhot resources would allow Mazama to extract up to ten times more power density, use 75 percent less water, and drill 80 percent fewer wells than current approaches. Mazama’s use of supercritical CO₂ drilling, if validated at Newberry this year, would be an additional cost lever that no commercial geothermal developer has yet proven at field scale.