Google locks 396 MW geothermal power as AI demand climbs

Signals Inbox·September 2, 2026·Data Centers

Google signed a 396 MW power purchase agreement with Fervo Energy for enhanced geothermal power in Utah, with an option for roughly 600 MW more. If exercised, the deal could approach one gigawatt, showing how AI data-center demand is pulling always-on clean power technologies into much larger contracts.

Q1What did Google and Fervo sign?

Fervo's official announcement says Google agreed to buy 396 MW from its Cape Station enhanced-geothermal project, expected online in 2028.

Q2How big could the deal become?

Google also received an option to add about 600 MW by June 2030. That would take total potential offtake to nearly one gigawatt, roughly the scale of a large conventional power plant.

Q3Why geothermal instead of more solar?

Data centers run every hour. Solar and wind are cheap but variable, so they need storage or other firm power. Enhanced geothermal can provide round-the-clock generation, which makes it unusually valuable for AI loads that cannot simply pause overnight.

Q4What is different about Fervo's technology?

Fervo uses modern horizontal drilling and reservoir techniques adapted from oil and gas to create geothermal systems in more places. The goal is to make geothermal less dependent on rare naturally perfect underground reservoirs.

Q5What is the bigger signal?

Big Tech is becoming an anchor customer for new power technologies. AI demand is now large enough that a single data-center buyer can help finance hundreds of megawatts of next-generation generation before the facility itself is finalized.