South Carolina Public Service Authority electricity rates in South Carolina, 2025
South Carolina Public Service Authority’s 188,962 residential customers paid an average of 12.91¢ per kWh in 2025, 15% below the South Carolina average of 15.12¢. The typical home used 959 kWh a month, for an average bill of $124.
- 12.91¢avg ¢/kWh (2025)+1.53¢ (+13.4%) vs 2024
- $124Avg monthly billSouth Carolina: $161
- 959 kWhAvg monthly useSouth Carolina: 1,066 kWh
- 188,962Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 188,962 | 2,174,887 | $280,829,700 | 12.91¢ | 11.38¢ | +1.53¢ (+13.4%) |
| Commercial | 30,910 | 1,969,865 | $213,180,600 | 10.82¢ | 9.43¢ | +1.39¢ (+14.7%) |
| Industrial | 25 | 6,131,084 | $364,121,400 | 5.94¢ | 5.08¢ | +0.86¢ (+16.9%) |
| All sectors | 219,897 | 10,275,836 | $858,131,700 | 8.35¢ | 7.25¢ | +1.10¢ (+15.1%) |
How South Carolina Public Service Authority compares
- South Carolina residential average, 2025: 15.12¢ per kWh, 1,066 kWh a month, $161 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 28 full-service utilities in South Carolina with at least 1,000 residential customers, South Carolina Public Service Authority ranks 6 of 28 from lowest to highest average price.
- Latest monthly figure: South Carolina homes paid 15.76¢ per kWh in August 2026 (preliminary), against 15.16¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 13.4%; the state average rose 6.2%.
- South Carolina Public Service Authority is a state-owned power authority. Balancing authority: SC.
Where South Carolina Public Service Authority serves
EIA lists 3 South Carolina counties in its 2025 service territory: Berkeley, Georgetown, Horry.
12 ZIP codes are matched to South Carolina Public Service Authority in NREL’s 2024 ZIP file: 29566, 29568, 29572, 29575, 29576, 29577, 29578, 29579, 29582, 29587, 29588, 29598. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
South Carolina full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| City of Gaffney (SC) | 12.32¢ | $121 | 6,198 |
| City of Rock Hill (SC) | 12.34¢ | $103 | 36,786 |
| Greer Commission of Public Wks | 12.81¢ | $115 | 23,192 |
| Easley Combined Utility System | 12.81¢ | $126 | 16,019 |
| Duke Energy Carolinas, LLC | 13.47¢ | $142 | 582,062 |
| York Electric Coop Inc | 13.68¢ | $148 | 66,369 |
| MPD Electric Cooperative | 13.73¢ | $180 | 32,130 |
| Horry Electric Coop Inc | 13.83¢ | $148 | 91,545 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
- National Renewable Energy Laboratory via OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zipcode (2024) (investor-owned and other utilities, files dated November 10, 2025), used only to match ZIP codes to utilities.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.
All South Carolina electricity providers · How we compute rates