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Earth Power

Geothermal Could Power Nearly All New Data Centers Through 2030 (techcrunch.com) 26

An anonymous reader quotes a report from TechCrunch: There's a power crunch looming as AI and cloud providers ramp up data center construction. But a new report suggests that a solution lies beneath their foundations. Advanced geothermal power could supply nearly two-thirds of new data center demand by 2030, according to an analysis by the Rhodium Group. The additions would quadruple the amount of geothermal power capacity in the U.S. -- from 4 gigawatts to about 16 gigawatts -- while costing the same or less than what data center operators pay today. In the western U.S., where geothermal resources are more plentiful, the technology could provide 100% of new data center demand. Phoenix, for example, could add 3.8 gigawatts of data center capacity without building a single new conventional power plant.

Geothermal resources have enormous potential to provide consistent power. Historically, geothermal power plants have been limited to places where Earth's heat seeps close to the surface. But advanced geothermal techniques could unlock 90 gigawatts of clean power in the U.S. alone, according to the U.S. Department of Energy. [...] Because geothermal power has very low running costs, its price is competitive with data centers' energy costs today, the Rhodium report said. When data centers are sited similarly to how they are today, a process that typically takes into account proximity to fiber optics and major metro areas, geothermal power costs just over $75 per megawatt hour. But when developers account for geothermal potential in their siting, the costs drop significantly, down to around $50 per megawatt hour.

The report assumes that new generating capacity would be "behind the meter," which is what experts call power plants that are hooked up directly to a customer, bypassing the grid. Wait times for new power plants to connect to the grid can stretch on for years. As a result, behind the meter arrangements have become more appealing for data center operators who are scrambling to build new capacity.

Geothermal Could Power Nearly All New Data Centers Through 2030

Comments Filter:
  • by TwistedGreen ( 80055 ) on Tuesday March 11, 2025 @09:48PM (#65226887)

    When you build your datacenter on a volcano it gives a new meaning to the term "disaster recovery."

  • by Pinky's Brain ( 1158667 ) on Tuesday March 11, 2025 @09:49PM (#65226895)

    These hydraulic injection type geothermal projects are unlikely to succeed ... one more Pohang and the concept will be dead.

    https://en.wikipedia.org/wiki/... [wikipedia.org]

  • by SethJohnson ( 112166 ) on Wednesday March 12, 2025 @12:10AM (#65227021) Homepage Journal

    advanced geothermal techniques could unlock 90 gigawatts of clean power in the U.S. alone, according to the U.S. Department of Energy.

    This statement was made just seconds before Elon Musk marched right up onto the stage, slapped the DOE across the face, and shouted, "You get 'clean energy' out of your mouth!" The problem was resolved with the Musk administration re-branding the agency "Department of Petroleum."

    • A slight correction: the "Department of Fossil Fuels".

      It's important to include all the corporate entities and oligarchs who own the government and country.

    • by CEC-P ( 10248912 )
      We haven't had a budget since 2007 and we're like 50 trillion in debt or some astronomical number. So whatever method of generating energy is affordable, that's what we're doing. The US is 14% of global CO2 production so we can do whatever the hell we want. China and India are the ones that need to reform.
    • by caseih ( 160668 )

      And after that they the went on to tell Americans not buying a Tesla is unamerican. Oh wait that last bit is actually true.

      Hard to tell where fiction and farce and and reality begins these days.

  • by Anonymous Coward
    Yep, sure, power those AI datacenters with geothermal so that there are no pesky power lines coming in that the humans can cut when the AIs get out of hand.
  • Gee, instead of data centers built to run AI to replace people, maybe we could use that power in the grid, and lower the cost of electricity for the rest of us.

  • In the past, geothermal power was economically feasible only in areas where magma was near the surface, such as The Geysers in Norcal.

    There are currently some outfits who claim they can drill deep enough in other areas. It remains to be seen whether or not that is vaporware.

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