South Carolina Power Outage History
46 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.
Counties tracked
46
Avg national percentile
46th
Higher = more reliable
Grade F counties
8
County rankings (worst to best)
| County | Grade | National percentile |
|---|---|---|
| McCormick County | F | 6th |
| Greenville County | F | 8th |
| Dillon County | F | 12th |
| Spartanburg County | F | 12th |
| Anderson County | F | 14th |
| Marion County | F | 14th |
| Abbeville County | F | 15th |
| Oconee County | F | 19th |
| Edgefield County | D | 21st |
| Saluda County | D | 22nd |
| Newberry County | D | 23rd |
| Greenwood County | D | 23rd |
| Pickens County | D | 24th |
| Cherokee County | D | 27th |
| Lee County | D | 29th |
| Aiken County | D | 32nd |
| Darlington County | D | 34th |
| Hampton County | D | 35th |
| Chester County | D | 36th |
| Colleton County | D | 38th |
| Allendale County | C | 40th |
| Florence County | C | 41st |
| Chesterfield County | C | 42nd |
| Fairfield County | C | 47th |
| Laurens County | C | 48th |
| Williamsburg County | C | 52nd |
| Jasper County | C | 54th |
| Marlboro County | C | 55th |
| Sumter County | C | 56th |
| Clarendon County | C | 58th |
| Calhoun County | B | 60th |
| Bamberg County | B | 62nd |
| Lexington County | B | 67th |
| Lancaster County | B | 68th |
| Barnwell County | B | 68th |
| Beaufort County | B | 69th |
| Charleston County | B | 69th |
| Georgetown County | B | 72nd |
| Dorchester County | B | 74th |
| Horry County | B | 76th |
| Richland County | B | 76th |
| Union County | B | 80th |
| Orangeburg County | B | 80th |
| Kershaw County | A | 83rd |
| York County | A | 84th |
| Berkeley County | A | 90th |