Microsoft Co. (NASDAQ: MSFT) signed a 20-year power purchase agreement with Constellation Energy Co. (NASDAQ: CEG). The clean electricity will come from a revived nuclear reactor formerly known as Three Mile Island Unit 1,

Going nuclear. Microsoft recently signed a 20-year power purchase agreement (PPA) with leading nuclear energy producer Constellation Energy. The deal will help launch the Crane Cl

Three Mile Island, the dormant Pennsylvania nuclear plant at the center of the Microsoft deal, became "shorthand for the risks posed by nuclear energy after one of the plant's two reactors partly melted down in 1979,