12.98¢
per kWh, 2025
[ Southeastern Electric Coop / SD ]
Southeastern Electric Coop electricity rates in South Dakota
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+4.6%
vs 2024
20,959
residential customers
+14.9%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Southeastern Electric Coop's average effective residential rate (12.98¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 10.07¢ | — | 14,104 |
| 2016 | 10.48¢ | +4.1% | 14,427 |
| 2017 | 11.01¢ | +5.1% | 14,996 |
| 2018 | 10.97¢ | −0.4% | 15,718 |
| 2019 | 10.95¢ | −0.2% | 16,135 |
| 2020 | 11.30¢ | +3.2% | 16,703 |
| 2021 | 11.45¢ | +1.3% | 17,596 |
| 2022 | 11.23¢ | −1.9% | 18,412 |
| 2023 | 11.44¢ | +1.9% | 19,184 |
| 2024 | 12.41¢ | +8.5% | 20,160 |
| 2025 | 12.98¢ | +4.6% | 20,959 |
How this compares
13.32¢
South Dakota average, 2025
−2.5%
Southeastern Electric Coop vs SD 2025 average
−24.7%
vs US 2025 average
#10
priciest in SD
Serves 13 counties in South Dakota: Bon Homme, Clay, Douglas, Hanson, Hutchinson, Lake, Lincoln, McCook, Miner, Minnehaha, Turner, Union, Yankton. 46 ZIP codes.
Questions
Is Southeastern Electric Coop raising rates in 2026?
No rate case for Southeastern Electric Coop is on file with the South Dakota Public Utilities Commission in our tracker. Its average residential rate moved +4.6% from 2024 to 2025. We check the commission docket monthly.
What does Southeastern Electric Coop charge per kWh?
Southeastern Electric Coop's average effective residential rate was 12.98¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). South Dakota's 2025 average was 13.32¢.
How much have Southeastern Electric Coop rates gone up in five years?
+14.9% between 2020 and 2025, against +19.8% for South Dakota as a whole over the latest five-year window.
How many customers does Southeastern Electric Coop have in South Dakota?
20,959 residential customers in 2025, across 13 counties including Bon Homme, Clay, Douglas, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the South Dakota Public Utilities Commission docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)