The owner of the shuttered Three Mile Island nuclear plant in Pennsylvania will invest $1.6 billion to revive it, agreeing to sell all the output to Microsoft Corp. as the tech titan seeks carbon-free electricity for data centers to power the artificial intelligence boom.

The 20-year deal with Constellation Energy would kick-start the site of the nation’s worst nuclear accident.

The Three Mile Island Nuclear plant, home of the worst nuclear accident in U.S. history, would restart under a deal in which Microsoft purchases all its power.

Constellation Energy has signed a 20-year power purchase agreement with Microsoft that will pave the way for restarting its Three Mile Island nuclear power plant, the utility firm said on Friday.

New nuclear power plants in Georgia have helped flip the state's power mix so that electricity from clean energy sources has exceeded fossil fuel electricity output for the first time.

Constellation Energy plans to restart the Three Mile Island nuclear plant and will sell the power to Microsoft, the companies announced on Friday. Constellation expects the Unit 1 reactor at Three Mile Island to come back online in 2028,