City of Rock Hill (SC) electricity rates in South Carolina, 2025
City of Rock Hill (SC)’s 36,786 residential customers paid an average of 12.34¢ per kWh in 2025, 18% below the South Carolina average of 15.12¢. The typical home used 833 kWh a month, for an average bill of $103.
- 12.34¢avg ¢/kWh (2025)−0.21¢ (-1.7%) vs 2024
- $103Avg monthly billSouth Carolina: $161
- 833 kWhAvg monthly useSouth Carolina: 1,066 kWh
- 36,786Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 36,786 | 367,790 | $45,376,000 | 12.34¢ | 12.55¢ | −0.21¢ (-1.7%) |
| Commercial | 3,903 | 407,487 | $51,520,000 | 12.64¢ | 12.79¢ | −0.15¢ (-1.2%) |
| Industrial | 40 | 85,157 | $9,225,000 | 10.83¢ | 9.96¢ | +0.88¢ (+8.8%) |
| All sectors | 40,729 | 860,434 | $106,121,000 | 12.33¢ | 12.39¢ | −0.06¢ (-0.5%) |
How City of Rock Hill (SC) 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, City of Rock Hill (SC) ranks 3 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 fell 1.7%; the state average rose 6.2%.
- City of Rock Hill (SC) is a municipal utility, owned by the local government; the city council or utility board sets rates. Balancing authority: DUK.
Where City of Rock Hill (SC) serves
EIA lists 1 South Carolina county in its 2025 service territory: York.
5 ZIP codes are matched to City of Rock Hill (SC) in NREL’s 2024 ZIP file: 29730, 29731, 29732, 29733, 29734. 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 |
| Greer Commission of Public Wks | 12.81¢ | $115 | 23,192 |
| Easley Combined Utility System | 12.81¢ | $126 | 16,019 |
| South Carolina Public Service Authority | 12.91¢ | $124 | 188,962 |
| 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