South Carolina
power plants.
South Carolina has 107 operating power plants in the catalog, 25,779 MW in all. The catalog also marks 4 plants as Retired, with 848 MW of capacity. Its operating fleet leans on natural gas, which accounts for 28.1% of operating capacity, with nuclear second at 26.5%. The largest operating plant in the catalog is Oconee Nuclear Power Plant (2,682 MW, recorded start year 1973).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
South Carolina electricity mix
Operating installed capacity by fuel. Each row gives megawatts and its share of the operating total.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest plants in South Carolina
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in South Carolina
This table includes 6 of the 23 operating plants with a recorded start year of 2019, largest first. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
Where does South Carolina get its electricity?
Across the 107 operating plants in the catalog, capacity is led by natural gas at 28.1%, then nuclear at 26.5%. These are installed-capacity shares, not live generation.
What is the largest power plant in South Carolina?
The largest operating plant in the catalog for South Carolina is Oconee Nuclear Power Plant, a nuclear facility with 2,682 MW and a recorded start year of 1973.
How many power plants are in South Carolina?
The catalog tracks 107 operating power plants in South Carolina, with 25,779 MW in all. It also marks 4 plants as Retired, with 848 MW of capacity.