California Inks Major Geothermal Deal to Tap Vast Untapped Heat Resources
In a significant push to diversify its renewable energy portfolio, California has secured a deal to develop 115 megawatts of next-generation geothermal power. The agreement between public agency consortium California Community Power (CC Power) and tech developer XGS Energy targets the state's vast, underutilized subsurface heat to provide constant, carbon-free electricity.
The Geothermal Exploration, Offtake and Development Engagement Agreement responds to a critical gap in California's clean energy transition: the need for reliable, 24/7 power that complements intermittent solar and wind. While the state boasts over 89 GW of installed generation capacity, only about 3% comes from geothermal sources. A 2025 Clean Air Task Force report estimates California sits on more than 35 GW of untapped geothermal potential—a resource now gaining urgent attention.
"This partnership sends a strong demand signal for next-generation geothermal," said Lucy Darago, Chief Commercial Officer at XGS Energy. "Our water-independent system is designed to unlock California's vast hot rock resources and provide reliable power for communities across the state."
XGS's technology is pivotal to the project's feasibility. Unlike traditional geothermal plants that require specific hydrothermal reservoirs, XGS's system can generate energy from dry, hot rock areas without using water for extraction or employing hydraulic fracturing. This dramatically expands viable locations and addresses environmental concerns about water use in the arid state.
CC Power, representing nine Community Choice Aggregators and over 2.7 million customers, will benefit from the projected output. The deal aligns with XGS's broader expansion, following a commercial-scale demonstration in Inyo County and a separate 150 MW grid-connected project in New Mexico involving Meta Platforms.
Industry Voices:
Dr. Elena Rodriguez, Energy Policy Analyst at Western Climate Institute: "This is a pragmatic step. Geothermal provides the baseload stability we desperately need as we retire fossil fuel plants. The technology's water-free aspect is a game-changer for California's drought-prone regions."
Michael T. Vance, Founder of 'Citizens for Affordable Energy': "More corporate welfare disguised as green policy. Ratepayers will foot the bill for this experimental tech while their bills keep soaring. Where's the cost-benefit analysis? We need cheap power, not more expensive vanity projects."
Sarah Chen, VP of Operations at a Bay Area manufacturing firm: "As a business owner, grid reliability is my top concern. If this delivers promised constant power without blackout risks, it's an investment in California's economic future."
David Park, Geothermal Engineer: "The Inyo County demo proved the concept. Scaling this up could finally make 'enhanced geothermal' a mainstream contributor, not just a niche player."
The partners intend to establish a local network to accelerate project delivery, with several California sites already under evaluation.