Data current through August 2026 — the latest available from the U.S. EIA, which publishes monthly figures on a roughly two-month delay.
Average monthly bill
Full bill breakdown →15.72¢/kWh × 1,072 kWh a month. Residential revenue divided by residential customers, averaged over the 12 months to August 2026 — the 12th highest among the 50 states and DC.
Compared with the U.S. and neighboring states
| South Carolina | $169 | |
|---|---|---|
| U.S. average | $158 | |
| Georgia | $164 | |
| North Carolina | $154 |
South Carolina is $10 a month above (+6.4%) the U.S. average of $158. Average monthly bill, September 2025 – August 2026.
How South Carolina makes its electricity
Fuel mix & trend since 2001 →Power plants →| Source | Share | Generation |
|---|---|---|
| Natural gas | 23.6% | 24,314 GWh |
| Coal | 17.5% | 18,052 GWh |
| Nuclear | 52.1% | 53,714 GWh |
| Wind | 0.0% | 0 GWh |
| Solar | 3.7% | 3,840 GWh |
| Hydro | 1.8% | 1,857 GWh |
| Other | 1.3% | 1,364 GWh |
103.1 TWh of net generation over the 12 months to August 2026. Generation, not consumption — power crosses state lines.
South Carolina electricity prices in context
South Carolina's residential electricity rate in August 2026 was 15.76¢/kWh, making it the 32nd most expensive among the 50 states and DC. This stands 2.40¢/kWh below the national average of 18.16¢/kWh, or 13.2% lower. Neighboring Georgia charges 15.90¢/kWh and North Carolina 14.95¢/kWh, placing South Carolina between them. Commercial and industrial rates are 11.76¢/kWh and 7.88¢/kWh respectively.
Since August 2021, the residential rate has climbed 22.8%, from 12.83¢/kWh. Over the two decades since August 2006 it has risen 70.2%, from 9.26¢/kWh, and since records began in January 2001 it has more than doubled, up 114.1% from 7.36¢/kWh. The rate peaked at 17.06¢/kWh in April 2026 and hit its lowest point of 7.31¢/kWh in December 2002.
The typical monthly residential bill in South Carolina is $169 for 1,072 kWh of usage. Nationally, the average bill stands at $158 for 876 kWh per month. South Carolina households use considerably more electricity than the national average, offsetting the state's below-average rate to produce a bill that is modestly higher than the national figure.
Written from the EIA figures on this page, covering data through August 2026.
12-month trend
Price history since 2001
Average retail price in all three sectors, every month since January 2001.
Residential
- Jan '01
- 7.36¢
- Now
- 15.76¢
- Change
- ▲ 114.1%
- Range
- 7.31–17.06¢
Recent months
| Month | Residential | Commercial | Industrial |
|---|---|---|---|
| August 2026 | 15.76 | 11.76 | 7.88 |
| July 2026 | 15.47 | 11.61 | 7.84 |
| June 2026 | 15.55 | 11.62 | 7.55 |
| May 2026 | 16.18 | 11.57 | 7.23 |
| April 2026 | 17.06 | 11.61 | 7.45 |
| March 2026 | 16.45 | 11.70 | 7.44 |
| February 2026 | 16.15 | 12.82 | 8.62 |
| January 2026 | 15.41 | 12.38 | 9.03 |
| December 2025 | 14.82 | 11.53 | 7.62 |
| November 2025 | 15.53 | 11.19 | 6.71 |
| October 2025 | 15.65 | 11.00 | 6.98 |
| September 2025 | 15.34 | 10.96 | 7.07 |
Prices in ¢/kWh.