The main control room of the Three Mile Island nuclear power plant in Middletown, Pennsylvania, Oct. 30, 2024. (Take a deeper look inside the Three Mile Island nuclear power plant here.) Part of a control panel at the Three Mile Island nuclear power plant in Middletown, Pennsylvania, Oct. 30, 2024. A cooling tower at the Three Mile Island nuclear power plant in Middletown, Pennsylvania, Oct. 30, 2024. The turbine deck of the Three Mile Island nuclear power plant in Middletown, Pennsylvania, Oct. 30, 2024.

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Persons: Danielle DeVries, Trevor Orth, Chris Crane, Constellation, Bryan Hanson, Hanson, Holtec, Mike Goff, Thomas Mehaffie, Tom Mehaffie, Mehaffie, Mehaffie's, PJM, Mark Christie, Alistair Speirs, Speirs, Ryan Levine, Levine, CNBC Hanson Organizations: CNBC MIDDLETOWN, Constellation Energy, Nuclear Regulatory Commission, Constellation, NRC, CNBC, Crane Clean Energy, Microsoft, Google, U.S . Unit, Energy Solutions, Unit, of Nuclear Energy, Department of Energy, Pennsylvania, Construction, Federal Energy Regulatory Commission, CNBC Federal, Nuclear Regulatory, Citi, General Electric Locations: Middletown , Pennsylvania, Pa, United States, U.S, Baltimore, Exelon, Michigan, Pennsylvania, Harrisburg