This is a list of electricity-generating power stations in the U.S. state of South Carolina, sorted by type and name. In 2024, South Carolina had a total summer capacity of 24.7 GW through all of its power plants, and a net generation of 100,485 GWh. In 2025, the electrical energy generation mix was 54.1% nuclear, 21.5% natural gas, 17.3% coal, 3.2% solar, 2.4% hydroelectric, 1.5% biomass, and 0.1% petroleum.
South Carolina is the nation's third largest producer of nuclear power, with four nuclear plants. Natural gas has been the most rapidly growing source of generation; quadrupling over the decade starting 2010. Data from the U.S. Energy Information Administration serves as a general reference.
Units 2 and 3 were originally planned to be converted to natural gas as an interim step to closure, but those plans were abandoned.<br> Fueled by mix of coal and natural gas<br> Units 3 and 4 are permitted to fire up to 30% petcoke by weight on either boiler.