Google Purchases 396 MW of Enhanced Geothermal Power from Fervo
nashnova research
Google signed a 396 MW power purchase agreement with geothermal firm Fervo, locking in clean energy from Utah's Cape Station to fuel its AI data-center expansion without burning natural gas.
What does this deal actually buy?
Google will purchase 396 MW of geothermal power from Fervo's Cape Station in Utah, expected online by 2028.
The agreement includes an option to add 600 MW more before June 2030, bringing the potential total close to 1 GW.
This means → Google is not buying a one-off power contract but pre-securing a near-gigawatt-scale clean energy source.
Why does Google need geothermal now?
In April, Google signed a 933 MW natural-gas deal with data-center developer Crusoe in Texas, putting pressure on its 2030 net-zero target.
Fervo's geothermal output is clean energy that can partially offset the carbon load from that gas contract.
In plain terms = AI power demand is surging; Google is buying gas to keep the lights on while using geothermal to balance the carbon books.
How big is Cape Station's potential?
Fervo is permitted to develop up to 2 GW of geothermal capacity at the site.
Third-party engineers estimate the subsurface heat can support roughly 4 GW — if fully developed, that would equal about twice the entire U.S. installed geothermal base.
For broader context: a U.S. Department of Energy report puts the theoretical potential of enhanced geothermal technology (drilling and injecting water to tap deep heat, no natural hot springs required) at up to 57 TW.
How deep is the Google–Fervo relationship?
The two companies have worked together for over five years; Google was one of Fervo's earliest power buyers.
Google also participated in Fervo's last pre-IPO funding round, making it both customer and investor.
After the announcement, Fervo's stock jumped roughly 30% in a single session, then pulled back the next day. This reflects strong market approval of the deal itself, tempered by wait-and-see on execution.
Where is the biggest uncertainty?
Whether Cape Station can reach commercial operation on schedule in 2028 is the core test for this agreement.
Enhanced geothermal technology is still in the early stages of large-scale commercial deployment; engineering risk and cost control remain unproven at this scale.
Put simply = the contract is signed and the numbers are big, but until the plant actually delivers electrons, these are promises on paper.
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