Top U.S. nuclear power plant operators 2023

As of July 2023, Maryland-based Constellation Energy operated nuclear power plants with a total capacity of about 26.3 gigawatts, making it the leading operator of nuclear power plants in the United States. Duke Energy ranked second, with a nuclear capacity of 10.2 gigawatts

Leading operators of nuclear power plants in the United States as of July 2023, by capacity (in megawatts)

Characteristic	Capacity in megawatts
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Release date

July 2023

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Region

United States

Survey time period

as of July 2023

Special properties

figures refer to nameplate capacity, by holding company

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Figures have been compiled by Statista based on data provided by the source.

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Leading operators of nuclear power plants in the United States as of July 2023, by capacity (in megawatts)

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