Crane Clean Energy Center, Londonderry Township, Dauphin County, Pennsylvania, United StatesConstellation Energy
Operator targets restart in 2027. December 31 is an estimated year boundary, not a confirmed restart day.[1]
Constellation’s August 6, 2026 results report progress toward restarting Crane Clean Energy Center in 2027, including FERC interconnection-rights transfer and an NRC fuel-licence amendment. This is restoration of Three Mile Island Unit 1, not a new reactor or a restart of accident-damaged Unit 2.