Three Mile Island, the site of the nation's most serious nuclear reactor accident, could reopen with Microsoft as its sole customer.

Key Takeaways Constellation Energy will restart the Three Mile Island Unit 1 nuclear plant to provide electricity to power Microsoft's data centers.The 20-year deal is part of Microsoft's effort to reduce its carbon footprint,

Constellation Energy and Microsoft said on Friday that they had inked a power agreement to assist in the first-ever restart of a section of the nuclear facility at Three Mile Island in Pennsylvania. TakeAway Points: Constellation Energy and Microsoft have inked a power agreement to assist in the first-ever restart of a section of the