Estimate savings
Solar by state

Solar in South Carolina

Across South Carolina, homeowners pay about 11.9¢/kWh and a typical 6 kW system pays back in roughly 12.5 years after the 30% federal tax credit.

State avg rate 11.9¢/kWh
Typical payback 12.5yrs
Best Solar Value Fair

Counties in South Carolina

Beaufort County
13.6¢/kWh · 8,994 kWh/yr
$1,227/yr 10.3 yr payback
Barnwell County
13.6¢/kWh · 8,856 kWh/yr
$1,208/yr 10.4 yr payback
Calhoun County
13.6¢/kWh · 8,868 kWh/yr
$1,210/yr 10.4 yr payback
Orangeburg County
13.6¢/kWh · 8,844 kWh/yr
$1,206/yr 10.4 yr payback
Aiken County
13.6¢/kWh · 8,724 kWh/yr
$1,190/yr 10.6 yr payback
Charleston County
13.6¢/kWh · 8,748 kWh/yr
$1,193/yr 10.6 yr payback
Lexington County
13.6¢/kWh · 8,694 kWh/yr
$1,186/yr 10.6 yr payback
Allendale County
13.6¢/kWh · 8,628 kWh/yr
$1,177/yr 10.7 yr payback
Bamberg County
13.6¢/kWh · 8,646 kWh/yr
$1,179/yr 10.7 yr payback
Colleton County
13.6¢/kWh · 8,598 kWh/yr
$1,173/yr 10.7 yr payback
Richland County
13.6¢/kWh · 8,616 kWh/yr
$1,175/yr 10.7 yr payback
Darlington County
13.2¢/kWh · 8,826 kWh/yr
$1,166/yr 10.8 yr payback
Dorchester County
13.6¢/kWh · 8,496 kWh/yr
$1,159/yr 10.9 yr payback
Edgefield County
13.6¢/kWh · 8,424 kWh/yr
$1,149/yr 11 yr payback
Florence County
13.1¢/kWh · 8,760 kWh/yr
$1,149/yr 11 yr payback
Horry County
12.9¢/kWh · 8,838 kWh/yr
$1,141/yr 11 yr payback
Jasper County
13.6¢/kWh · 8,376 kWh/yr
$1,142/yr 11 yr payback
Saluda County
13.6¢/kWh · 8,424 kWh/yr
$1,149/yr 11 yr payback
Georgetown County
13.1¢/kWh · 8,640 kWh/yr
$1,134/yr 11.1 yr payback
McCormick County
13.0¢/kWh · 8,526 kWh/yr
$1,109/yr 11.4 yr payback
Berkeley County
12.0¢/kWh · 8,544 kWh/yr
$1,026/yr 12.3 yr payback
Dillon County
11.5¢/kWh · 8,886 kWh/yr
$1,025/yr 12.3 yr payback
Lee County
11.5¢/kWh · 8,874 kWh/yr
$1,024/yr 12.3 yr payback
Chesterfield County
11.8¢/kWh · 8,670 kWh/yr
$1,019/yr 12.4 yr payback
Sumter County
11.5¢/kWh · 8,778 kWh/yr
$1,013/yr 12.4 yr payback
Williamsburg County
11.5¢/kWh · 8,796 kWh/yr
$1,015/yr 12.4 yr payback
Marion County
11.5¢/kWh · 8,754 kWh/yr
$1,010/yr 12.5 yr payback
Kershaw County
11.8¢/kWh · 8,460 kWh/yr
$994/yr 12.7 yr payback
Union County
11.7¢/kWh · 8,490 kWh/yr
$993/yr 12.7 yr payback
Fairfield County
11.9¢/kWh · 8,274 kWh/yr
$985/yr 12.8 yr payback
Clarendon County
10.9¢/kWh · 8,820 kWh/yr
$959/yr 13.1 yr payback
Hampton County
11.1¢/kWh · 8,634 kWh/yr
$961/yr 13.1 yr payback
Abbeville County
11.4¢/kWh · 8,340 kWh/yr
$953/yr 13.2 yr payback
Newberry County
11.3¢/kWh · 8,298 kWh/yr
$936/yr 13.5 yr payback
Marlboro County
10.0¢/kWh · 8,832 kWh/yr
$880/yr 14.3 yr payback
Cherokee County
9.8¢/kWh · 8,778 kWh/yr
$864/yr 14.6 yr payback
Greenville County
9.8¢/kWh · 8,754 kWh/yr
$861/yr 14.6 yr payback
Spartanburg County
9.8¢/kWh · 8,652 kWh/yr
$851/yr 14.8 yr payback
Pickens County
9.8¢/kWh · 8,574 kWh/yr
$844/yr 14.9 yr payback
York County
9.8¢/kWh · 8,610 kWh/yr
$847/yr 14.9 yr payback
Anderson County
9.8¢/kWh · 8,490 kWh/yr
$835/yr 15.1 yr payback
Lancaster County
9.8¢/kWh · 8,436 kWh/yr
$830/yr 15.2 yr payback
Greenwood County
9.8¢/kWh · 8,346 kWh/yr
$821/yr 15.3 yr payback
Laurens County
9.8¢/kWh · 8,292 kWh/yr
$816/yr 15.4 yr payback
Chester County
9.8¢/kWh · 8,280 kWh/yr
$815/yr 15.5 yr payback
Oconee County
9.8¢/kWh · 8,286 kWh/yr
$815/yr 15.5 yr payback
Figures are modeled estimates from NREL PVWatts v8 + EIA. Not affiliated with NREL, DOE or EIA · not financial advice. Last updated June 2026.