South Dakota · Cooperative
Southeastern Electric Coop Inc - (SD)
12.98¢ per kWh, bundled, EIA-861 2025. Average bill $151.37 at 1,166.5 kWh a month, across 20,959 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: 20,959, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$129.80
12.98¢/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 | 10.07¢ | $134.36 | 1,334.5 | 14,104 |
| 2016 | 10.48¢ | $141.17 | 1,347.6 | 14,427 |
| 2017 | 11.01¢ | $142.64 | 1,295.5 | 14,996 |
| 2018 | 10.97¢ | $151.35 | 1,379.8 | 15,718 |
| 2019 | 10.95¢ | $148.25 | 1,354.0 | 16,135 |
| 2020 | 11.30¢ | $144.03 | 1,275.1 | 16,703 |
| 2021 | 11.45¢ | $137.31 | 1,199.5 | 17,596 |
| 2022 | 11.23¢ | $139.98 | 1,246.5 | 18,412 |
| 2023 | 11.44¢ | $136.34 | 1,192.1 | 19,184 |
| 2024 | 12.41¢ | $139.98 | 1,128.1 | 20,160 |
| 2025 | 12.98¢ | $151.37 | 1,166.5 | 20,959 |
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
Bon Homme, Clay, Douglas, Hanson, Hutchinson, Lake, Lincoln, McCook, Miner, Minnehaha, Turner, Union, Yankton.
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