{"slug": "google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why", "title": "Google Just Signed the Largest Geothermal Power Deal Ever—and You Can Guess Why", "summary": "Fervo Energy announced a 396-megawatt power purchase agreement with Google on September 1, the largest enhanced geothermal PPA to date, to supply a planned Utah data center from Fervo's Cape Station geocluster in Beaver County, with operations targeted for 2028 and an option to expand Google's offtake to nearly 1 gigawatt by June 2030. The deal reflects Big Tech's growing interest in enhanced geothermal systems to meet data centers' around-the-clock power demand, which intermittent solar and wind cannot cover. Fervo uses directional drilling and multi-stage fracturing to create permeability in hot rock, an approach Stanford Geothermal Program director Roland Horne said allows geothermal development in many more places.", "body_md": "*Power Shift is Ellyn Lapointe’s ongoing Gizmodo series that explores advancements in green technology, with a focus on renewable energy, grid modernization, and emissions reduction.* \n\nAs the AI boom drives the proliferation of data centers across the United States, their massive, around-the-clock energy demands are putting significant strain on the grid. Many operators are [turning to on-site natural gas turbines](https://gizmodo.com/spacex-agrees-to-remove-temporary-gas-turbines-at-colossus-data-center-by-2027-2000793559) as a way to meet their needs while bypassing the grid, but this comes with serious climate consequences.\n\nRunning data centers on renewables such as solar or wind would solve the emissions problem, but these power sources are intermittent, which means they can’t meet data centers’ 24/7 demand. There is one clean energy source that could, however: geothermal energy.\n\nOf course, there’s another catch. High upfront costs, geographic constraints, and regulatory hurdles have hindered geothermal’s growth in the U.S., and it’s certainly not keeping pace with AI’s rapid growth. But a landmark deal between Google and Fervo Energy, a Houston-based geothermal company, suggests that could soon change.\n\nOn September 1, Fervo [announced](https://fervoenergy.com/fervo-energy-and-google-sign-396-mw-ppa/) a 396-megawatt power purchase agreement with Google—the world’s largest enhanced geothermal PPA to date. The deal will allow Fervo to keep developing its Cape Station enhanced geothermal systems (EGS) geocluster in Beaver County, Utah, with a goal of beginning operations in 2028.\n\nAccording to Fervo, Google will purchase clean energy from Cape Station to serve as a “foundational building block” for a planned data center in Utah, with the option to increase its offtake to nearly 1 gigawatt by June 2030. Details of the project remain undisclosed as final plans are pending feasibility studies and regulatory approvals, though Google did [purchase](https://www.datacenterfrontier.com/cloud/article/11427905/google-buys-land-in-growing-cloud-cluster-in-utah) a 300-acre parcel of land near Eagle Mountain, about 130 miles (209 kilometers) from Cape Station, in 2021. The company did not respond to Gizmodo’s requests for comment.\n\nThis landmark PPA speaks to Big Tech’s growing interest in EGS to power data centers, and the injection of capital could help Fervo lead the subsector into the booming AI industry.\n\n## The evolution of EGS\n\nBroadly speaking, traditional geothermal systems use wells drilled deep into the Earth to access naturally occurring reservoirs of hot water or steam. That heat can be used to generate electricity, with the geothermal fluid either driving a turbine directly or transferring its heat to another working fluid.\n\nThese systems require a “Goldilocks geology,” Roland Horne, director of the Geothermal Program at Stanford University, told Gizmodo. “They’ve got to have the right combination of heat, water, and permeability.” But those three elements don’t occur together everywhere, and that’s where enhanced geothermal systems come in.\n\nThese systems are essentially engineered geothermal reservoirs. Instead of relying on a naturally permeable reservoir, developers drill deep underground and inject water to reopen pre-existing fractures and create new ones, allowing water to circulate through hot rock. Operators then pump the hot water or steam up to the surface, where it generates electricity just like a traditional geothermal system would.\n\n“What EGS is all about is making permeability where there was previously none, or very little, and that allows for geothermal developments in many more places,” Horne explained. Indeed, enhanced geothermal systems have helped drive the expansion of geothermal power in the U.S., with recent advancements—particularly directional drilling and multi-stage fracturing, two strategies Fervo uses—opening the door even wider.\n\nAnd yet, geothermal still only [accounts](https://www.eia.gov/energyexplained/geothermal/use-of-geothermal-energy.php) for just 0.4% of total utility-scale energy generation in the United States. The biggest remaining hurdle is cost, according to Horne. But tech giants like Google have the cash, and they have [emerged](https://www.reuters.com/business/energy/big-tech-deals-propel-geothermal-power-towards-lower-costs--reeii-2026-06-08/) as the primary drivers of commercial EGS expansion. The Fervo-Google partnership has been ongoing for five years, beginning with Project Red, Fervo’s Nevada pilot project that came online in 2023. That enhanced geothermal system delivers power to the local grid and Google’s data centers in the state.\n\n“My guess is that Google probably paid beyond market dollar for that as a way of stimulating the EGS industry,” Horne said.\n\n## Why EGS suits data centers’ needs\n\nIt’s clear that Big Tech has a growing interest in enhanced geothermal systems, and the reason why has everything to do with data centers.\n\nData centers require 24/7 power to provide uninterrupted service to users worldwide, and geothermal power plants are engineered for steady, continuous baseload operation. “They don’t like to be switched on and off,” Horne said. That makes them particularly well suited to data centers’ energy demands.\n\nAs of 2024, natural gas [was](https://www.iea.org/reports/energy-and-ai/energy-supply-for-ai) the biggest source of electricity for data centers in the U.S., with a share of over 40%. Like EGS, natural gas power plants can supply continuous energy, but they emit greenhouse gases and other harmful pollutants while also consuming a lot of water. Enhanced geothermal systems emit far less carbon, and most can operate with very little ongoing consumptive water use.\n\n“It doesn’t remove any cooling water for the devices themselves, but it cuts a lot of the water consumption out of the data center, and that’s one of the things people care a lot about,” Horne explained.\n\nIt may seem like enhanced geothermal systems and data centers are a perfect match, but Horne said the industry has a long way to go before it can power the AI boom. Fervo still needs to deliver its 500-megawatt Cape Station geocluster, the largest EGS project in the world. If they can scale that significantly within the next several years, Horne hopes its competitors will grow, too. Oil companies are also keeping a close eye on this burgeoning industry and may begin to dabble in EGS projects, he said.\n\nThe trouble is, Big Tech needs power right now. “That’s a big problem because geothermal is moving at breakneck speed, but breakneck speed for geothermal is three or four years down the road,” Horne said.\n\nWhether EGS will be able to keep up remains to be seen, but a spokesperson for Fervo told Gizmodo that the company’s new deal with Google validates the role geothermal can play in meeting growing power demand. It will certainly be interesting to see how this subsector evolves in tandem with AI.", "url": "https://wpnews.pro/news/google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why", "canonical_source": "https://gizmodo.com/google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why-2000809397", "published_at": "2026-09-11 11:30:27+00:00", "updated_at": "2026-09-11 11:38:49.489145+00:00", "lang": "en", "topics": ["ai-infrastructure"], "entities": ["Google", "Fervo Energy", "Cape Station", "Beaver County, Utah", "Roland Horne", "Stanford University", "Eagle Mountain", "Gizmodo"], "alternates": {"html": "https://wpnews.pro/news/google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why", "markdown": "https://wpnews.pro/news/google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why.md", "text": "https://wpnews.pro/news/google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why.txt", "jsonld": "https://wpnews.pro/news/google-just-signed-the-largest-geothermal-power-deal-ever-and-you-can-guess-why.jsonld"}}