South Carolina · Municipal
City of Rock Hill - (SC)
12.34¢ per kWh, bundled, EIA-861 2025. Average bill $102.79 at 833.2 kWh a month, across 36,786 customers on that row.
South Carolina averaged 15.12¢/kWh and $161.21 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 36,786, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$123.40
12.34¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 12.31¢ | $105.36 | 856.0 | 33,471 |
| 2016 | 12.95¢ | $109.35 | 844.6 | 34,147 |
| 2017 | 12.90¢ | $117.37 | 909.5 | 32,763 |
| 2018 | 13.06¢ | $110.05 | 842.3 | 35,181 |
| 2019 | 13.24¢ | $111.97 | 845.8 | 35,738 |
| 2020 | 13.48¢ | $113.54 | 842.4 | 36,183 |
| 2021 | 13.06¢ | $110.55 | 846.8 | 35,925 |
| 2022 | 12.53¢ | $102.73 | 819.8 | 36,588 |
| 2023 | 13.14¢ | $103.43 | 787.3 | 36,837 |
| 2024 | 12.55¢ | $103.35 | 823.7 | 36,492 |
| 2025 | 12.34¢ | $102.79 | 833.2 | 36,786 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
York.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool