South Carolina Public Service Authority (SC)
South Carolina Public Service Authority (SC) is a balancing authority on the North American grid. On the map it has 28 power plants with 5.4 GW of capacity, coal the largest share at 3.5 GW. Its peak load is 5,203 MW.
At a glance
- Peak load: 5,203 MW
Capacity by fuel
28 power plants with 5.4 GW of capacity, planned generators left out.
- Coal: 3.5 GW from 2 plants (64%)
- Natural gas: 1.1 GW from 2 plants (20%)
- Solar: 303 MW from 10 plants (6%)
- Hydro: 226 MW from 3 plants (4%)
- Biomass: 185 MW from 9 plants (3%)
- Oil: 157 MW from 2 plants (3%)
Largest plants
- Cross: Coal, 2.3 GW, South Carolina
- Winyah: Coal, 1.1 GW, South Carolina
- John S Rainey: Natural gas, 977 MW, South Carolina
- Jefferies: Hydro, 140 MW, South Carolina
- International Paper Georgetown Mill: Biomass, 90 MW, South Carolina
- Cherokee County Cogen: Natural gas, 86 MW, South Carolina
- Hilton Head: Oil, 84 MW, South Carolina
- St Stephen: Hydro, 84 MW, South Carolina
- Allora Solar, LLC: Solar, 75 MW, South Carolina
- Centerfield Cooper Solar, LLC: Solar, 75 MW, South Carolina
Planned and under construction
5 generators planned, under construction or testing, 785 MW in all, not counted above.
- Solar: 397 MW
- Battery storage: 300 MW
- Oil: 88 MW
States and provinces
- South Carolina: 28 plants
Sources
Power plants: EIA-860M (US); NRCan NACEI (Canada, Mexico); WRI GPPD (Mexico); OpenStreetMap via Geofabrik (Canada, Mexico gap fill); USGS USWTDB/USPVDB; EPA eGRID; Natural Earth admin-1; HIFLD control areas; location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; water distances from OpenStreetMap via Geofabrik; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: ODbL (derivative database; EIA content is public domain, NRCan OGL-Canada, WRI GPPD CC BY 4.0; location attributes from WorldPop, Global Solar Atlas, Global Wind Atlas, LBNL Queued Up and WRI Aqueduct CC BY 4.0, USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain, Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH, the U.S. Drought Monitor courtesy of NDMC)
Balancing authorities: HIFLD Control Areas (position, peak load); EIA-930 reference tables (which BAs are active); EIA-861 (a feature's BA); Wattlas outlines for Canadian and Mexican BAs. License: Public domain