South Carolina · Cooperative
Black River Electric Coop, Inc - (SC)
15.14¢ per kWh, bundled, EIA-861 2025. Average bill $195.19 at 1,289.1 kWh a month, across 30,874 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: 30,874, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$151.40
15.14¢/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 | 11.75¢ | $164.47 | 1,399.8 | 27,824 |
| 2016 | 11.81¢ | $159.65 | 1,351.5 | 27,967 |
| 2017 | 11.89¢ | $154.44 | 1,298.9 | 28,085 |
| 2018 | 11.90¢ | $167.80 | 1,410.6 | 28,343 |
| 2019 | 11.93¢ | $162.11 | 1,359.3 | 28,667 |
| 2020 | 12.02¢ | $153.34 | 1,275.6 | 29,065 |
| 2021 | 12.08¢ | $155.53 | 1,288.0 | 29,436 |
| 2022 | 12.00¢ | $157.68 | 1,313.8 | 29,778 |
| 2023 | 12.76¢ | $153.72 | 1,205.2 | 30,253 |
| 2024 | 13.47¢ | $169.44 | 1,258.2 | 30,610 |
| 2025 | 15.14¢ | $195.19 | 1,289.1 | 30,874 |
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
Clarendon, Kershaw, Lee, Sumter.
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