West Virginia · Investor Owned
Black Diamond Power Co
20.10¢ per kWh, bundled, EIA-861 2025. Average bill $171.85 at 855.1 kWh a month, across 3,243 customers on that row.
West Virginia averaged 15.39¢/kWh and $165.13 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: 3,243, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$201.00
20.10¢/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 | 12.52¢ | $113.73 | 908.3 | 3,520 |
| 2016 | 13.19¢ | $117.45 | 890.7 | 3,466 |
| 2017 | 12.33¢ | $103.09 | 836.0 | 3,457 |
| 2018 | 12.68¢ | $117.92 | 929.8 | 3,441 |
| 2019 | 12.81¢ | $111.66 | 871.7 | 3,472 |
| 2020 | 13.28¢ | $98.98 | 745.2 | 3,873 |
| 2021 | 13.68¢ | $117.12 | 856.3 | 3,483 |
| 2022 | 13.20¢ | $109.41 | 829.1 | 3,469 |
| 2023 | 15.35¢ | $119.18 | 776.5 | 3,479 |
| 2024 | 15.35¢ | $119.18 | 776.5 | 3,479 |
| 2025 | 20.10¢ | $171.85 | 855.1 | 3,243 |
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
Clay, Kanawha, Raleigh, Wyoming.
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