The Palmetto State
SC Utilities
IOU, Municipal, Cooperative, Retail Energy Suppliers, Wholesale
South Carolina Consumer Choice: No Deregulation
Utility: Consumers in South Carolina may not choose their energy supplier.
South Carolina Electric Choice: 
South Carolina Gas Choice: 
Deregulated Gas Year Electric Year
South Carolina No N/A No N/A No Comments
STATE NERC INTERCONNECTION ISO/RTO
South Carolina SERC Eastern None
Region: Southeast
South Carolina Population: 5,148,714 People/ Land Mile: 171.3
Square Miles: 32,020 Land Miles: 30,061 Water Miles: 1,960
Yearly Values:
Net Generation 99,364,088 MWH Retail Sales 81,641,138 MWH Gas 336.8 trillion Btu
Counties SC Zip Codes SC Utility Zip Codes
NERC Authority: SERC
FERC Authority: Southeast Natural Gas Region
Electric Retail Average: 8.9 cents/kWh (Ave)
South Carolina Power Mix
U.S. Commodity Sources 2019:
• Nuclear: 55.8%
• Coal: 14.8%
• Natural gas: 24.1%
• Hydro: 1.9%
• Solar PV: 0.8%
• Biomass: 2.4%
Previous U.S. Commodity Sources:
• Nuclear: 57%
• Coal: 26%
• Natural gas: 13%
• Hydro: 2%
SC Solar: Net Metering, Tax Credits, Solar Rebates
State Rebates:
State Contacts:
State Links:
State Authorities:
Public Service Commission of South Carolina
South Carolina Department of Consumer Affairs (Consumer Advocacy Division)
Talking About