LONDONDERRY TOWNSHIP, Pennsylvania — Three Mile Island, the site of worst nuclear disaster in the United States, is reopening and will exclusively sell the power to Microsoft as the company searches for energy sources to fuel its AI ambitions.
The nuclear generating station is located on the Susquehanna River in Londonderry Township, near Harrisburg, Pennsylvania.
Constellation Energy announced Friday that its Unit 1 reactor, which closed five years ago, is expected to be revived in 2028, dependent on Nuclear Regulatory Commission approval. Microsoft will purchase the carbon-free energy produced from it to power its data centers to support artificial intelligence.
Financial terms of the 20-year agreement, which Constellation called the largest ever, weren’t disclosed.
“Powering industries critical to our nation’s global economic and technological competitiveness, including data centers, requires an abundance of energy that is carbon-free and reliable every hour of every day, and nuclear plants are the only energy sources that can consistently …