13.94¢
per kWh, 2025
[ Sioux Valley SW Elec Coop / SD ]
Sioux Valley SW Elec Coop electricity rates in South Dakota
CO-OP BOARD SETS RATES · DATA 2025
change in average rate, 2024→2025
+7.7%
vs 2024
22,989
residential customers
+21.1%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Sioux Valley SW Elec Coop's average effective residential rate (13.94¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 10.82¢ | — | 17,544 |
| 2016 | 10.92¢ | +0.9% | 18,036 |
| 2017 | 11.15¢ | +2.1% | 18,605 |
| 2018 | 11.07¢ | −0.7% | 19,104 |
| 2019 | 11.09¢ | +0.2% | 19,610 |
| 2020 | 11.51¢ | +3.8% | 20,097 |
| 2021 | 12.17¢ | +5.7% | 20,539 |
| 2022 | 12.09¢ | −0.7% | 21,147 |
| 2023 | 12.02¢ | −0.6% | 21,762 |
| 2024 | 12.94¢ | +7.7% | 22,213 |
| 2025 | 13.94¢ | +7.7% | 22,989 |
How this compares
13.32¢
South Dakota average, 2025
+4.7%
Sioux Valley SW Elec Coop vs SD 2025 average
−19.1%
vs US 2025 average
#6
priciest in SD
Serves 10 counties in South Dakota: Brookings, Deuel, Hamlin, Kingsbury, Lake, McCook, Miner, Minnehaha, Moody, Turner. 44 ZIP codes.
What the numbers show
Since 2015, Sioux Valley SW Elec Coop's average residential rate has gone from 10.82¢ to 13.94¢ per kWh: +28.8% over 10 years, or about +2.6% a year. It rose in 7 of the 10 years we can compare, and the biggest one-year increase was +7.7% in 2025. The largest drop was −0.7% in 2018.
For a home using 984 kWh a month, the South Dakota average, Sioux Valley SW Elec Coop's 2025 rate works out to about $1,646 a year, $73 more than at South Dakota's average rate of 13.32¢. Of the 21 South Dakota utilities in our data with a 2025 price, it is the 6th most expensive.
Sioux Valley SW Elec Coop served 17,544 homes in 2015 and 22,989 in 2025 (+31.0%), about 5% of South Dakota's residential electricity customers.
Who sets Sioux Valley SW Elec Coop's rates
Sioux Valley SW Elec Coop is a member-owned electric cooperative. A board elected by its members sets its rates. In some states the South Dakota Public Utilities Commission also reviews co-op rates, but most co-op rate changes do not go through a commission rate case, so watch the co-op's own member notices and board meetings.
Commission contact: South Dakota Public Utilities Commission. How we calculate every figure on this page: methodology.
Questions
Is Sioux Valley SW Elec Coop raising rates in 2026?
Sioux Valley SW Elec Coop's rates are set by its member-elected board, not through a rate case at the South Dakota Public Utilities Commission, so check its own notices for a change this year. Its average residential rate moved +7.7% from 2024 to 2025.
What does Sioux Valley SW Elec Coop charge per kWh?
Sioux Valley SW Elec Coop's average effective residential rate was 13.94¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). South Dakota's 2025 average was 13.32¢.
How much have Sioux Valley SW Elec Coop rates gone up in five years?
+21.1% between 2020 and 2025, against +19.8% for South Dakota as a whole over the latest five-year window.
How many customers does Sioux Valley SW Elec Coop have in South Dakota?
22,989 residential customers in 2025, across 10 counties including Brookings, Deuel, Hamlin, 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, which every US utility files. 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)