South Dakota · Cooperative
Black Hills Electric Coop, Inc
14.79¢ per kWh, bundled, EIA-861 2025. Average bill $165.83 at 1,121.6 kWh a month, across 9,415 customers on that row.
South Dakota averaged 13.32¢/kWh and $131.10 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: 9,415, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$147.90
14.79¢/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 | 13.10¢ | $137.04 | 1,046.2 | 8,366 |
| 2016 | 13.84¢ | $143.41 | 1,036.5 | 8,459 |
| 2017 | 14.50¢ | $153.55 | 1,058.8 | 8,572 |
| 2018 | 14.15¢ | $156.53 | 1,106.2 | 8,647 |
| 2019 | 13.85¢ | $164.02 | 1,184.5 | 8,332 |
| 2020 | 14.21¢ | $161.43 | 1,136.0 | 8,436 |
| 2021 | 14.22¢ | $163.07 | 1,147.1 | 8,604 |
| 2022 | 13.94¢ | $165.12 | 1,184.5 | 8,966 |
| 2023 | 14.28¢ | $159.24 | 1,115.2 | 9,154 |
| 2024 | 14.76¢ | $163.70 | 1,108.7 | 9,227 |
| 2025 | 14.79¢ | $165.83 | 1,121.6 | 9,415 |
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
Custer, Fall River, Lawrence, Meade, Oglala Lakota, Pennington.
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