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Constellation Energy will be able to transfer capacity interconnection rights, enabling the nuclear unit to potentially deliver all its power when it restarts, possibly before the end of 2027.
Published June 3, 2026
Constellation Energy's Three Mile Island nuclear power plant near Middletown, Pa. The company's plans to restart the plant's Unit 1 were boosted when the Federal Energy Regulatory Commission approved a waiver for the company from PJM Interconnection rules on June 1, 2026.
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