SC · State grid profile
South Carolina power grid
South Carolina's operating portfolio is led by Oil & gas, followed by Nuclear. Its 238 plants represent 26,838 MW of nameplate capacity. The dataset also reports 2,422 MW of proposed capacity.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
South Carolina capacity by fuel
Oil & gas30.4%8,167 MW
Nuclear25.6%6,875 MW
Coal19.2%5,159 MW
Hydro16.4%4,391 MW
Solar6.1%1,649 MW
Biomass1.9%509 MW
Storage0.3%88 MW
Facility intelligence
Largest South Carolina power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| OconeePlant 3265 | Nuclear | Seneca, SCOconee County | Duke Energy Carolinas, LLC | 2,667 MW |
| CrossPlant 130 | Coal | Cross, SCBerkeley County | South Carolina Public Service Authority | 2,452 MW |
| CatawbaPlant 6036 | Nuclear | York, SCYork County | Duke Energy Carolinas, LLC | 2,410 MW |
| Bad CreekPlant 7125 | Hydro | Salem, SCOconee County | Duke Energy Carolinas, LLC | 1,680 MW |
| WinyahPlant 6249 | Coal | Georgetown, SCGeorgetown County | South Carolina Public Service Authority | 1,276 MW |
| John S RaineyPlant 7834 | Oil & gas | Starr, SCAnderson County | South Carolina Public Service Authority | 1,154 MW |
| JasperPlant 55927 | Oil & gas | Hardeeville, SCJasper County | Dominion Energy South Carolina, Inc | 1,068 MW |
| V C SummerPlant 6127 | Nuclear | Jenkinsville, SCFairfield County | Dominion Energy South Carolina, Inc | 1,030 MW |
| Broad River Energy CenterPlant 55166 | Oil & gas | Gaffney, SCCherokee County | Broad River Energy LLC | 985 MW |
| W S LeePlant 3264 | Oil & gas | Williamston, SCAnderson County | Duke Energy Carolinas, LLC | 955 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.