Wisconsin · Municipal
Sun Prairie Utilities
12.11¢ per kWh, bundled, EIA-861 2025. Average bill $74.04 at 611.2 kWh a month, across 17,082 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: 17,082, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$121.10
12.11¢/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 | 11.30¢ | $72.24 | 639.5 | 13,032 |
| 2016 | 11.23¢ | $72.48 | 645.5 | 13,292 |
| 2017 | 11.49¢ | $70.29 | 611.9 | 13,728 |
| 2018 | 10.81¢ | $70.10 | 648.5 | 14,289 |
| 2019 | 10.80¢ | $66.77 | 618.1 | 14,710 |
| 2020 | 11.05¢ | $70.89 | 641.8 | 15,004 |
| 2021 | 11.40¢ | $72.31 | 634.6 | 15,438 |
| 2022 | 12.35¢ | $76.91 | 622.7 | 15,605 |
| 2023 | 11.84¢ | $70.08 | 591.7 | 16,436 |
| 2024 | 12.13¢ | $71.38 | 588.4 | 16,647 |
| 2025 | 12.11¢ | $74.04 | 611.2 | 17,082 |
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.
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