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 described the agreement with Microsoft as the largest power purchase agreement that the nuclear plant operator has ever signed.

Power giant Constellation Energy announced Friday that it had inked a 20-year deal with Microsoft to supply power to an AI data center from the shuttered Three Mile Island nuclear plant in Pennsylvania, the latest sign of a revival for the nuclear sector driven by the voracious energy demand from the technology industry.