States › South Carolina › May 2026
South Carolina electricity prices, May 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In May 2026, residential customers in South Carolina paid an average of 16.18¢ per kilowatthour, up 5.0% on the same month a year earlier (15.41¢). The US average for the month was 18.44¢; South Carolina was 12% below that. It ranked 27th highest among the 50 states and the District of Columbia.
Residential sales were 2,433,298 MWh, up 1.1% on a year earlier, and the average residential bill for the month was $148.05 on 915 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | May 2026 | May 2025 | Change | US, May 2026 |
|---|---|---|---|---|
| Residential | 16.18¢ | 15.41¢ | +5.0% | 18.44¢ |
| Commercial | 11.57¢ | 10.87¢ | +6.4% | 13.54¢ |
| Industrial | 7.23¢ | 6.83¢ | +5.9% | 8.71¢ |
| All sectors | 11.78¢ | 11.22¢ | +5.0% | 13.83¢ |
Sales and customers
| Measure | May 2026 | May 2025 | Change |
|---|---|---|---|
| Residential sales | 2.4 TWh | 2.4 TWh | +1.1% |
| Sales, all sectors | 7 TWh | 6.8 TWh | +2.6% |
| Residential customers | 2,659,204 | 2,623,516 | +1.4% |
| Average residential bill | $148.05 | $141.43 | +4.7% |
| Average residential use, kWh | 915 | 918 | -0.3% |
| US residential price | 18.44¢ | 17.37¢ | +6.2% |
The two years to May 2026
South Carolina residentialUS residential
Questions and answers
What was the average electricity price in South Carolina in May 2026?
16.18¢ per kilowatthour for residential customers, 11.57¢ for commercial and 7.23¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 15.41¢ in May 2025, a change of +5.0%. Residential sales changed by +1.1% over the same period.
What was the average residential bill that month?
$148.05, on average use of 915 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the South Carolina page.