South Dakota · Municipal
City of Madison - (SD)
12.41¢ per kWh, bundled, EIA-861 2025. Average bill $131.21 at 1,056.9 kWh a month, across 2,818 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: 2,818, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$124.10
12.41¢/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 | 11.49¢ | $109.42 | 952.0 | 2,779 |
| 2016 | 11.72¢ | $110.11 | 939.1 | 2,829 |
| 2017 | 11.75¢ | $119.32 | 1,015.7 | 2,853 |
| 2018 | 11.58¢ | $125.67 | 1,085.6 | 2,864 |
| 2019 | 11.62¢ | $124.59 | 1,072.0 | 2,876 |
| 2020 | 11.81¢ | $124.29 | 1,052.2 | 2,867 |
| 2021 | 11.97¢ | $119.03 | 994.6 | 2,895 |
| 2022 | 11.30¢ | $122.11 | 1,080.8 | 2,828 |
| 2023 | 11.29¢ | $122.60 | 1,086.2 | 2,793 |
| 2024 | 11.49¢ | $113.58 | 988.9 | 2,802 |
| 2025 | 12.41¢ | $131.21 | 1,056.9 | 2,818 |
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
Lake.
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