U.S. firm submits application for second life extension at Sommer nuclear plant

On September 6, 2023, the U.S. Nuclear Regulatory Commission (NRC) issued a statement saying that Dominion Energy filed an application for a license amendment on August 18 to extend the life of its Summer nuclear power plant (1006 MWe) in South Carolina for another 20 years.

The plant received its first life extension in 2004, extending its operating life from 40 to 60 years, and its current license is valid until August 2042.

The NRC is currently reviewing the second life extension application to determine whether to initiate a detailed safety and environmental review.

Two of TD Energy’s seven nuclear units have already been granted secondary life extensions, Surrey Units 1 and 2. The units could operate until May 2052 and January 2053, respectively. Applications for second life extensions for two units at the North Anna plant are also under review by the NRC.

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