| Santee Electric Cooperative | Williamsburg | 33.59538 | -79.68738 | 28 |
| Aiken Electric Cooperative | Aiken | 33.6336 | -81.75535 | 24 |
| Horry Electric Cooperative | Horry | 33.98515 | -79.14541 | 20 |
| Black River Electric Cooperative | Sumter | 34.06567 | -80.37897 | 30 |
| Fairfield Electric Cooperative | Fairfield | 34.38505 | -81.12844 | 30 |
| Palmetto Electric Cooperative | Beaufort | 32.48099 | -80.86477 | 26 |
| Pee Dee Electric Cooperative | Darlington | 34.45365 | -79.91445 | 30 |
| Santee Cooper | Berkeley | 33.57673 | -80.56505 | 90 |
| Winyah Generating Station | Georgetown | 33.36798 | -79.31681 | 15 |
| Berkeley Electric Cooperative | Berkeley | 0 | 0 | 0 |
| Cooperatives | | 0 | 0 | 0 |
