⚡ US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

South Carolina

Duke Energy Carolinas electricity rates

What homes pay Duke Energy Carolinas for electricity, from EIA.

Investor-owned utility, 595,100 homes in South Carolina. EIA lists it as Duke Energy Carolinas, LLC.

Headlines

Average price
14.0¢ a kWh
Up 0.1% on a year ago
Average bill
$145 a month
Down 0.7% on a year ago
Average use
1,037 kWh
A month. South Carolina 1,057 kWh
Price rank in South Carolina
6 of 6
1 is the most expensive

Over the 12 months to July 2026, Duke Energy Carolinas homes paid 14.0¢ a kWh, against 15.6¢ across South Carolina.

Duke Energy Carolinas vs South Carolina

Duke Energy CarolinasSouth Carolina
Average price, 12 months to July 202614.0¢15.6¢
Price in July 202614.0¢15.5¢
Average monthly bill, 12 months$145$165
Bill in July 2026$202$232
Average monthly use1,037 kWh1,057 kWh
Price change, past year+0.1%+6.0%
Price change since 2019+22%+20%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including July 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including July 2026

Source: EIA-861M monthly utility survey.