Microsoft has agreed to purchase Three Mile Island's energy to power its AI data centers for the next 20 years. It's the first time a U.S. nuclear reactor will come out of retirement.

In announcing its deal with Microsoft, Constellation Energy, the owner of Three Mile Island Unit 1, also shared that the plant is getting a rebrand—the site will be renamed the Crane Clean Energy Center. (Not sure if that one’s going to stick.)

A newly inked 20-year power purchase agreement (PPA) between Constellation Energy Corp. and Microsoft is set to pave the way for the launch of a new clean energy center in Pennsylvania and the restart of