Electricity in Aiken County, South Carolina

3 electric utilities serve homes in Aiken County, South Carolina: Dominion Energy South Carolina, Mid-Carolina Electric Cooperative and Aiken Electric Cooperative. In 2025, the average home bill of these utilities was $169.35 (Dominion Energy South Carolina) to $194.86 (Mid-Carolina Electric Cooperative) a month. This page covers 2 cities with 25,000 or more people in the county, from Aiken to North Augusta.

  • 2 cities
  • 3 utilities
  • EIA and Census data, 2025

Electric utilities in Aiken County

EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.

Electric utilities with 1,000 or more homes in Aiken County: average home bill in 2025 and 1,000 kWh bill in November 2026
UtilityHomes in South CarolinaAverage bill 20251,000 kWh now
Dominion Energy South CarolinaInvestor-owned utility · bill calculator 712,679 $169.351,032 kWh, 16.4¢ $169.38
Mid-Carolina Electric CooperativeElectric cooperative 57,067 $194.861,158 kWh, 16.8¢ —
Aiken Electric CooperativeElectric cooperative 50,850 $192.471,099 kWh, 17.5¢ —

The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The South Carolina average was $161.21 a month.

Cities in Aiken County

Cities with 25,000 or more people in Aiken County (2025 estimates) and the solar output of 1 kW of panels
CityPeopleCity-owned utilitySolar kWh a year per kW
Aiken33,808—1,495
North Augusta26,982—1,461

A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.

Who provides electricity in Aiken County?

3 electric utilities serve homes in Aiken County, South Carolina: Dominion Energy South Carolina, Mid-Carolina Electric Cooperative and Aiken Electric Cooperative. The name of your utility is on your bill.

Which cities in Aiken County are on this page?

Aiken and North Augusta.

Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).