Mazama Energy raises $135M in Series B to advance super-hot-rock geothermal technology for powering AI data centers and large grid loads.
PRIVATESep 18, 2026
Amount Raised
$135 Million
Round Type
Series B
BendEnergyOil And GasRenewable EnergyBiomass Energy
Investors
Khosla Ventures
Description
Mazama Energy, backed by Khosla Ventures, closed an oversubscribed Series B funding round of $135 million. The capital will support development of horizontal wells in super-hot rocks capable of generating 15 megawatts per well. The company plans to begin generating electricity in 2026 from its Oregon site, which has been revised to have potential for 10 gigawatts of capacity. Enhanced geothermal technology is emerging as a promising solution for powering AI data centers with clean energy.
Company Information
Company
Mazama Energy
Location
Bend, Oregon, United States
About
Mazama Energy is a geothermal operator and development company dedicated to advancing technologies and methods for extracting heat from superhot rocks to generate utility-scale, carbon-free, baseload energy. The company’s capabilities are derived from its founders AltaRock Energy and Blade Energy Partners.
Fundz sees it the moment Mazama Energy raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
BendEnergyOil And GasRenewable EnergyBiomass Energy