Wisconsin · Cooperative
Rock Energy Cooperative
14.31¢ per kWh, bundled, EIA-861 2025. Average bill $140.90 at 984.5 kWh a month, across 7,409 customers on that row.
Wisconsin averaged 18.08¢/kWh and $120.60 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: 7,409, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$143.10
14.31¢/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 | 12.50¢ | $122.00 | 976.0 | 6,707 |
| 2016 | 12.52¢ | $123.74 | 988.1 | 6,762 |
| 2017 | 13.05¢ | $123.98 | 950.3 | 6,835 |
| 2018 | 12.92¢ | $130.48 | 1,010.3 | 6,902 |
| 2019 | 13.02¢ | $128.23 | 985.1 | 6,975 |
| 2020 | 12.76¢ | $125.45 | 983.3 | 7,042 |
| 2021 | 12.63¢ | $124.55 | 986.5 | 7,099 |
| 2022 | 13.68¢ | $133.66 | 977.0 | 7,211 |
| 2023 | 14.20¢ | $134.74 | 948.9 | 7,287 |
| 2024 | 14.47¢ | $138.00 | 953.8 | 7,310 |
| 2025 | 14.31¢ | $140.90 | 984.5 | 7,409 |
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
Dane, Green, Rock, Walworth.
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