FERC waiver cuts years off Three Mile Island nuclear plant restart timeline.
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FERC waiver cuts years off Three Mile Island nuclear plant restart timeline. June 4, 2026 Share to: The Federal Energy Regulatory Commission (FERC) has issued a waiver allowing Constellation Energy to transfer capacity interconnection rights from one of its gas plants to its Three Mile Island nuclear plant, effectively reducing the timeline for restart from 2031 to 2027. With the waiver in place, Constellation will now be able to transfer some grid rights from its Eddystone natural gas plant to the 835-megawatt nuclear plant, avoiding interconnection delays caused by stalled transmission projects. Three Mile Island, which will be restarted under the new name of Crane Clean Energy Center, was shut down in 2019. The previous owner Exelon decided to end operations after a financial rescue package did not come from Pennsylvania legislators. Constellation said that during the system impact study for the plant's restart, PJM identified numerous transmission projects that would include hundreds of miles of new lines as contingent facilities. However, Constellation argued that many of these lines have already incurred years of delays, and if those new lines are still included as contingent facilities in the plant's final interconnection agreement, the plant's restart would be held up until every contingent facility is completed. The company said this could cause Crane to sit...
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The reactor at Three Mile Island had been out of operation for five years when Constellation Energy announced in 2024 that it would spend $1.6 billion to restart it under a 20-year agreement with Microsoft to buy the power for its data centers.
