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States › South Carolina › May 2025

South Carolina electricity prices, May 2025

Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary

In May 2025, residential customers in South Carolina paid an average of 15.41¢ per kilowatthour, up 11.8% on the same month a year earlier (13.78¢). The US average for the month was 17.37¢; South Carolina was 11% below that. It ranked 28th highest among the 50 states and the District of Columbia.

Residential sales were 2,407,248 MWh, down 1.9% on a year earlier, and the average residential bill for the month was $141.43 on 918 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.

15.41¢residential, per kWh+11.8% on May 2024
$141.43average residential bill for the monthon 918 kWh
2.4 TWhresidential sales-1.9% on a year earlier
28thhighest residential price of 51US 17.37¢

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

SectorMay 2025May 2024ChangeUS, May 2025
Residential15.41¢13.78¢+11.8%17.37¢
Commercial10.87¢9.96¢+9.1%12.93¢
Industrial6.83¢6.40¢+6.7%8.29¢
All sectors11.22¢10.20¢+10.0%13.13¢

Sales and customers

MeasureMay 2025May 2024Change
Residential sales2.4 TWh2.5 TWh-1.9%
Sales, all sectors6.8 TWh6.9 TWh-1.8%
Residential customers2,623,5162,535,375+3.5%
Average residential bill$141.43$133.37+6.0%
Average residential use, kWh918968-5.2%
US residential price17.37¢16.40¢+5.9%

The two years to May 2025

0¢5¢10¢15¢20¢May 2023Sep 2023Jan 2024May 2024Sep 2024Jan 2025May 2025

South Carolina residentialUS residential

Cents per kWh, Form EIA-861M.
← April 2025June 2025 →

Questions and answers

What was the average electricity price in South Carolina in May 2025?

15.41¢ per kilowatthour for residential customers, 10.87¢ for commercial and 6.83¢ for industrial customers. EIA marks the month as preliminary.

How does that compare with a year earlier?

The residential average was 13.78¢ in May 2024, a change of +11.8%. Residential sales changed by -1.9% over the same period.

What was the average residential bill that month?

$141.43, on average use of 918 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.