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Microsoft wants Three Mile Island to fuel its AI power needs

Microsoft’s 20-year deal is a first of its kind for the software maker.

Constellation, the owner of the Three Mile Island plant, announced a power purchase agreement with Microsoft earlier today, which should see the site coming back online in 2028, assuming regulators approve it. The reactor that Microsoft plans to source its energy from was retired in 2019 for economic reasons, and is located next to a unit that was shutdown in 1979 after the worst US nuclear accident in history. Constellation will invest $1.6 billion to revive the plant, and the company will need approval from the Nuclear Regulatory Commission to bring the site back online, alongside permits from state and local agencies.

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