South Dakota Energy
Gas prices, electricity rates, utilities, power plants, heating costs and EV charging in South Dakota, from EIA, EPA and the Department of Energy.
- Regular gas, region
- $4.15/gal
- Week of 10/19/2026
- Home electricity
- 15.37¢/kWh
- July 2026
- Average electric bill
- $131/mo
- 2025
- EV charging stations
- 118
- 337 ports
Prices
- Gas prices$4.15/gal (Midwest, PADD 2)
- Electricity rates15.37¢/kWh
- Propane$1.87/gal week of 10/19/2026
- Natural gas$17.77/Mcf July 2026
Power plants
7.7 GW of operating capacity
- Wind3.5 GW 45.1%
- Hydroelectric1.6 GW 21.5%
- Natural gas1.6 GW 20.9%
- Coal450 MW 5.9%
- Petroleum289 MW 3.8%
- Solar217 MW 2.8%
- Biomass5.4 MW 0.1%
- Battery storage0.8 MW 0.0%
Generated 17.4 TWh in 2023 with 78.7% from carbon-free sources. CO2 rate 334 lb/MWh. Solar, wind and batteries
Largest electric utilities
By customers, 2025
Swipe the table sideways to see more columns.
| Utility | Customers | Home price |
|---|---|---|
| Northern States Power Co - MinnesotaInvestor Owned | 107,985 | 13.13¢/kWh |
| Black Hills Power, Inc.Investor Owned | 82,900 | 15.12¢/kWh |
| NorthWestern Energy - (SD)Investor Owned | 65,396 | 13.35¢/kWh |
| Sioux Valley SW Elec CoopCooperative | 26,164 | 13.94¢/kWh |
| Southeastern Electric Coop Inc - (SD)Cooperative | 24,428 | 12.98¢/kWh |
| West River Electric Assn IncCooperative | 21,332 | 15.16¢/kWh |
| Watertown Municipal UtilitiesMunicipal | 14,497 | 9.29¢/kWh |
| City of Brookings - (SD)Municipal | 12,568 | 10.69¢/kWh |
| Otter Tail Power CoInvestor Owned | 12,027 | 11.42¢/kWh |
| Black Hills Electric Coop, IncCooperative | 11,478 | 14.79¢/kWh |
EV charging by city
97 alternative fuel stations too
Energy by county
Utilities, power plants and charging stations in each county
- Aurora County
- Beadle County
- Bennett County
- Bon Homme County
- Brookings County
- Brown County
- Brule County
- Buffalo County
- Butte County
- Campbell County
- Charles Mix County
- Clark County
- Clay County
- Codington County
- Corson County
- Custer County
- Davison County
- Day County
- Deuel County
- Dewey County
- Douglas County
- Edmunds County
- Fall River County
- Faulk County
- Grant County
- Gregory County
- Haakon County
- Hamlin County
- Hand County
- Hanson County
- Harding County
- Hughes County
- Hutchinson County
- Hyde County
- Jackson County
- Jerauld County
- Jones County
- Kingsbury County
- Lake County
- Lawrence County
- Lincoln County
- Lyman County
- Marshall County
- McCook County
- McPherson County
- Meade County
- Mellette County
- Miner County
- Minnehaha County
- Moody County
- Oglala Lakota County
- Pennington County
- Perkins County
- Potter County
- Roberts County
- Sanborn County
- Spink County
- Stanley County
- Sully County
- Todd County
- Tripp County
- Turner County
- Union County
- Walworth County
- Yankton County
- Ziebach County
Frequently asked questions
- How much does electricity cost in South Dakota?
- Homes in South Dakota paid an average of 15.37¢/kWh per kilowatt-hour in July 2026, compared with the U.S. average of 18.31¢/kWh.
- What is the price of gas in South Dakota?
- EIA does not publish a weekly South Dakota average. The Midwest (PADD 2) average was $4.15/gal the week of 10/19/2026.
- Where does South Dakota's electricity come from?
- In 2023, 78.7% of the electricity generated in South Dakota came from carbon-free sources (nuclear and renewables), and 78.7% from renewables alone.