Constellation Energy will revive the half-century-old nuclear power plant to supply electricity for Microsoft's data centers.

Constellation Energy has ordered a main power transformer for the Three Mile Island nuclear reactor it is trying to reopen in Pennsylvania, pushing ahead with work critical to the plant's revival, Reuters learned on a tour of the site on Wednesday.

"It's still eerie walking in here and it's, just, quiet," Constellation regulatory assurance manager Craig Smith said during a tour of the plant last week. Smith, who worked at Three Mile Island when Constellation shut the site’s remaining reactor in 2019,

Water, oil and workers is all it will take to get the shuttered Three Mile Island nuclear plant back up and running, according to the plant’s owners.