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Nuclear startup Deep Fission plans to bury micro-reactors to power data centers
Deep Fission's small modular reactors would be lowered on cables down a 30-inch, one-mile deep borehole.
The company, Deep Fission, signed a deal on Tuesday with data center developer Endeavour to build 2 gigawatts worth of subterranean nuclear power. Nuclear startups are having a moment, driven in part by the growing energy demand of datacenters running compute-intensive workloads for AI applications. Any maintenance would require hauling the reactor to the surface, which the company says would take “only an hour or two.” Deep Fission is targeting between five to seven cents per kilowatt-hour, less than half what Lazard estimates new nuclear power costs today in the U.S.
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