Electricity rates and average bill in South Carolina
In 2025, the average South Carolina household used 1,066 kWh a month and paid $161, an average price of 15.1¢ per kWh. That is the 30th highest price of the 50 states and DC (U.S.: 17.2¢).
Estimate your bill · Heat pump vs furnace · Water heater cost
Monthly residential electricity price in South Carolina
Source: EIA, average residential price per month (¢/kWh); last 12 months average 15.8¢.
Electric utilities in South Carolina
Average residential price, usage and bill of each utility in 2025 (utilities and providers with at least 1,000 homes). Find yours by ZIP code in the bill calculator.
Utilities
| Name | Homes | ¢/kWh | kWh / mo | Avg. bill |
|---|---|---|---|---|
| Dominion Energy South Carolina, Inc Investor-owned utility | 712,679 | 16.4 | 1,032 | $169 |
| Duke Energy Carolinas, LLC Investor-owned utility | 582,062 | 13.5 | 1,051 | $142 |
| South Carolina Public Service Authority State | 188,962 | 12.9 | 959 | $124 |
| Duke Energy Progress Investor-owned utility | 143,884 | 14.1 | 1,206 | $170 |
| Berkeley Electric Coop Inc Electric cooperative | 119,545 | 16.3 | 1,149 | $187 |
| Horry Electric Coop Inc Electric cooperative | 91,545 | 13.8 | 1,072 | $148 |
| Palmetto Electric Coop Inc Electric cooperative | 69,848 | 14.4 | 1,210 | $174 |
| Blue Ridge Electric Coop Inc Electric cooperative | 68,647 | 19.8 | 999 | $198 |
| York Electric Coop Inc Electric cooperative | 66,369 | 13.7 | 1,084 | $148 |
| Laurens Electric Coop, Inc Electric cooperative | 59,786 | 15.6 | 1,071 | $167 |
| Mid-Carolina Electric Coop Inc Electric cooperative | 57,067 | 16.8 | 1,158 | $195 |
| Aiken Electric Coop Inc Electric cooperative | 50,850 | 17.5 | 1,099 | $192 |
| City of Rock Hill Municipal utility | 36,786 | 12.3 | 833 | $103 |
| Santee Electric Coop, Inc Electric cooperative | 35,356 | 16.4 | 1,289 | $211 |
| Fairfield Electric Coop, Inc Electric cooperative | 33,071 | 15.6 | 1,158 | $181 |
| MPD Electric Cooperative Electric cooperative | 32,130 | 13.7 | 1,312 | $180 |
| Black River Electric Coop, Inc Electric cooperative | 30,874 | 15.1 | 1,289 | $195 |
| Broad River Electric Coop, Inc Electric cooperative | 23,660 | 17.2 | 1,077 | $185 |
| Greer Commission of Public Wks Municipal utility | 23,192 | 12.8 | 898 | $115 |
| Lynches River Elec Coop, Inc Electric cooperative | 21,730 | 16.3 | 1,066 | $174 |
| City of Orangeburg Municipal utility | 20,682 | 15.2 | 1,079 | $164 |
| Tri-County Electric Coop, Inc (SC) Electric cooperative | 17,670 | 19.9 | 1,131 | $226 |
| Easley Combined Utility System Municipal utility | 16,019 | 12.8 | 980 | $126 |
| Edisto Electric Coop, Inc Electric cooperative | 15,540 | 19.0 | 1,200 | $228 |
| Newberry Electric Coop, Inc Electric cooperative | 13,215 | 17.1 | 1,010 | $172 |
| Greenwood CPW Municipal utility | 11,676 | 10.0 | 831 | $83 |
| Sunrun Inc. Behind the Meter | 7,102 | 17.8 | 755 | $134 |
| City of Gaffney Municipal utility | 6,198 | 12.3 | 982 | $121 |
| Lockhart Power Co Investor-owned utility | 4,961 | 14.2 | 1,113 | $158 |
Heating: heat pump vs. gas in South Carolina
For a 2,000 sq ft home with average insulation at a typical South Carolina location (2,582 heating degree days, weather station Marion), heating with a high-efficiency heat pump costs about $422 a year at the state's average electricity price, compared with $527 for a 92% gas furnace, $902 for propane and $1,025 for heating oil. Run it with your ZIP code and your home.
Heating fuel prices
| Natural gas, residential, 2024 | $16.91/Mcf = $1.63/therm |
| Propane, 2025/26 winter average (U.S., no state survey) | $2.55/gal |
| Heating oil, 2025/26 winter average (U.S., no state survey) | $4.01/gal |