The average residential electric rate in South Carolina is 17.06¢ per kWh as of 2026-04 (EIA). Over the past year it peaked at 17.06¢ in 2026-04 and bottomed at 14.7¢ in 2025-07.
| Month | ¢/kWh |
|---|---|
| 2025-05 | 15.41¢ |
| 2025-06 | 14.79¢ |
| 2025-07 | 14.7¢ |
| 2025-08 | 14.98¢ |
| 2025-09 | 15.34¢ |
| 2025-10 | 15.65¢ |
| 2025-11 | 15.53¢ |
| 2025-12 | 14.82¢ |
| 2026-01 | 15.41¢ |
| 2026-02 | 16.15¢ |
| 2026-03 | 16.45¢ |
| 2026-04 | 17.06¢ |
Averages hide your utility's actual tariff — the calculator takes your real rate, fees, and taxes, and can model seasonal costs per appliance.
Calculate your costs in South Carolina →