South Dakota Electricity Rates, Providers & Generation
In South Dakota, the average residential electricity rate is 13.43¢ per kilowatt-hour, ranking 13th nationally; the typical home spends $160 per month on electricity; 25% of generation comes from renewable sources.
Rate trend
Average residential electricity rate in South Dakota, last 22 months.
How South Dakota generates electricity
Generation mix from in-state power plants over the most recent twelve months, by fuel category.
- Renewable
- Nuclear
- Fossil
- Other
| Fuel | Share | Generation |
|---|---|---|
| renewable | 23.5% | 18.0 TWh |
| all renewables | 16.7% | 12.8 TWh |
| wind | 16.1% | 12.4 TWh |
| onshore wind turbine | 16.1% | 12.4 TWh |
| conventional hydroelectric | 6.8% | 5.2 TWh |
| fossil fuels | 5.5% | 4.2 TWh |
| subbituminous coal | 2.6% | 2.0 TWh |
| coal, excluding waste coal | 2.6% | 2.0 TWh |
| all coal products | 2.6% | 2.0 TWh |
| natural gas | 2.5% | 1.9 TWh |
| natural gas & other gases | 2.5% | 1.9 TWh |
| estimated total solar photovoltaic | 0.6% | 447.6 GWh |
| estimated total solar | 0.6% | 447.6 GWh |
| solar | 0.6% | 437.7 GWh |
| solar photovoltaic | 0.6% | 437.7 GWh |
Electricity providers in South Dakota
20 utilities and retail providers serving residential customers, ordered by customer count.
| Provider | Type | Customers | Annual sales | Avg rate | Avg bill |
|---|---|---|---|---|---|
| Northern States Power Co - Minnesota | Investor-owned | 92,204 | 824.5 GWh | 13.87¢ | — |
| Black Hills Power, Inc. | Investor-owned | 60,951 | 560.8 GWh | 14.37¢ | — |
| NorthWestern Energy - (SD) | Investor-owned | 51,467 | 557.5 GWh | 12.56¢ | — |
| Sioux Valley SW Elec Coop | Cooperative | 22,213 | 330.3 GWh | 12.94¢ | — |
| Southeastern Electric Coop Inc - (SD) | Cooperative | 20,160 | 272.9 GWh | 12.41¢ | — |
| West River Electric Assn Inc | Cooperative | 18,423 | 198.3 GWh | 14.25¢ | — |
| Watertown Municipal Utilities | Municipal | 11,633 | 119.5 GWh | 9.30¢ | — |
| City of Brookings - (SD) | Municipal | 10,544 | 102.2 GWh | 11.12¢ | — |
| Black Hills Electric Coop, Inc | Cooperative | 9,227 | 122.8 GWh | 14.76¢ | — |
| Otter Tail Power Co | Investor-owned | 9,048 | 111.1 GWh | 10.93¢ | — |
| Central Electric Coop, Inc - (SD) | Cooperative | 6,483 | 114.6 GWh | 13.64¢ | — |
| Montana-Dakota Utilities Co | Investor-owned | 6,367 | 63.6 GWh | 14.59¢ | — |
| City of Pierre - (SD) | Municipal | 6,126 | 64.8 GWh | 10.65¢ | — |
| Northern Electric Coop, Inc | Cooperative | 5,757 | 138.1 GWh | 11.29¢ | — |
| Rosebud Electric Coop Inc | Cooperative | 4,856 | 63.7 GWh | 10.63¢ | — |
| MidAmerican Energy Co | Investor-owned | 4,236 | 55.0 GWh | 8.68¢ | — |
| Dakota Energy Coop Inc | Cooperative | 3,224 | 62.3 GWh | 15.30¢ | — |
| City of Madison - (SD) | Municipal | 2,802 | 33.3 GWh | 11.49¢ | — |
| City of Volga - (SD) | Municipal | 1,075 | 11.6 GWh | 12.80¢ | — |
| Nebraska Public Power District | Political subdivision | 1,044 | 15.7 GWh | 9.73¢ | — |
Power plants in South Dakota
Largest in-state electricity generators by annual net generation, with associated CO2 emissions where available.
| Plant | County | Fuel | Capacity | Generation | CO₂ | CO₂/MWh |
|---|---|---|---|---|---|---|
| Oahe | — | WAT | 786 MW | 2.1 TWh | — | — |
| Big Stone | — | SUB | 451 MW | 1.6 TWh | 1.6 M tonnes | 1,008 kg |
| Fort Randall | — | WAT | 320 MW | 1.5 TWh | — | — |
| Deer Creek Station | — | NG | 324 MW | 1.1 TWh | 460.6 k tonnes | 434 kg |
| Deuel Harvest Wind Energy LLC | — | WND | 300 MW | 1.0 TWh | — | — |
| Triple H Wind Project | — | WND | 250 MW | 918.4 GWh | — | — |
| Prevailing Wind Park | — | WND | 220 MW | 787.0 GWh | — | — |
| Crowned Ridge Wind II Energy Center | — | WND | 201 MW | 776.4 GWh | — | — |
| Big Bend Dam | — | WAT | 538 MW | 770.5 GWh | — | — |
| Crocker Wind Farm | — | WND | 200 MW | 768.6 GWh | — | — |
| Crowned Ridge Wind Energy Center | — | WND | 200 MW | 641.9 GWh | — | — |
| Tatanka Ridge | — | WND | 154 MW | 560.8 GWh | — | — |
| Dakota Range III Wind Project | — | WND | 154 MW | 517.7 GWh | — | — |
| Day County Wind LLC | — | WND | 99 MW | 408.5 GWh | — | — |
| Astoria Station | — | NG | 349 MW | 407.2 GWh | 227.7 k tonnes | 559 kg |
| Coyote Ridge | — | WND | 97 MW | 382.6 GWh | — | — |
| Willow Creek Wind Power LLC | — | WND | 105 MW | 371.2 GWh | — | — |
| Buffalo Ridge II LLC | — | WND | 210 MW | 369.0 GWh | — | — |
| Prairie Winds SD1 | — | WND | 162 MW | 343.7 GWh | — | — |
| Campbell County Wind Farm | — | WND | 94 MW | 318.8 GWh | — | — |
| Beethoven Wind | — | WND | 80 MW | 274.5 GWh | — | — |
| Angus Anson | — | NG | 406 MW | 232.3 GWh | 160.7 k tonnes | 692 kg |
| Wessington Springs | — | WND | 51 MW | 207.1 GWh | — | — |
| Groton Generation Station | — | NG | 216 MW | 201.9 GWh | 89.3 k tonnes | 442 kg |
| Sweetland Wind Farm, LLC | — | WND | 200 MW | 174.6 GWh | — | — |
| Bob Glanzer Generating Station | — | NG | 69 MW | 96.4 GWh | 44.3 k tonnes | 459 kg |
| Buffalo Ridge I LLC | — | WND | 50 MW | 94.5 GWh | — | — |
| South Dakota Wind Energy Cente | — | WND | 41 MW | 80.6 GWh | — | — |
| Rolling Thunder Wind Farm Hybrid | — | WND | 26 MW | 79.7 GWh | — | — |
| Aurora County Wind | — | WND | 20 MW | 70.8 GWh | — | — |
| Oak Tree Energy | — | WND | 20 MW | 66.7 GWh | — | — |
| Brule County Wind | — | WND | 20 MW | 64.6 GWh | — | — |
| Fall River Solar, LLC | — | SUN | 80 MW | 46.6 GWh | — | — |
| Aberdeen CT | — | NG | 111 MW | 39.6 GWh | 22.9 k tonnes | 579 kg |
| Lange Generating Station | — | NG | 40 MW | 38.2 GWh | 23.4 k tonnes | 614 kg |
| North Bend Wind Project, LLC | — | WND | 200 MW | 37.8 GWh | — | — |
| POET Biorefining - Chancellor | — | WDS | 5 MW | 23.4 GWh | 0 kg | 0 kg |
| Spearfish Hydro | — | WAT | 4 MW | 21.4 GWh | — | — |
| POET Bioprocessing- Mitchell | — | NG | 4 MW | 17.6 GWh | 5.8 k tonnes | 328 kg |
| POET Biorefining - Hudson | — | NG | 4 MW | 17.5 GWh | 5.7 k tonnes | 327 kg |
| Spirit Mound | — | DFO | 135 MW | 8.8 GWh | 8.9 k tonnes | 1,002 kg |
| Watertown Power Plant | — | DFO | 68 MW | 5.2 GWh | 5.4 k tonnes | 1,036 kg |
| Ben French | — | NG | 110 MW | 3.1 GWh | 3.7 k tonnes | 1,193 kg |
| Lake Preston | — | DFO | 24 MW | 76 MWh | 112.9 tonnes | 1,486 kg |
| Ft. Pierre | — | DFO | 6 MW | 53 MWh | 39.6 tonnes | 748 kg |
| Valley Queen Cheese | — | DFO | 5 MW | 17 MWh | 12.8 tonnes | 754 kg |
| Pierre Solar | — | SUN | 1 MW | 17 MWh | — | — |
| Clark (SD) | — | DFO | 3 MW | -116 MWh | 8.9 tonnes | — |
| Faulkton | — | DFO | 3 MW | -139 MWh | 17.0 tonnes | — |
| Yankton | — | NG | 13 MW | -280 MWh | — | — |
Frequently asked questions
What is the average electricity rate in South Dakota?
The average residential electricity rate in South Dakota was 13.43¢ per kilowatt-hour as of 2026, according to U.S. Energy Information Administration data, ranking 13th among the 50 states and DC.
What is the average electricity bill in South Dakota?
The average monthly residential electricity bill in South Dakota was $160 in 2026. This figure is calculated from total annual residential revenue divided by average customer count over twelve months, using EIA Form 861 data.
Can I choose my electricity provider in South Dakota?
No. Most residential customers receive electricity from a regulated utility serving their area.
What share of South Dakota's electricity comes from renewable sources?
In 2026, 24.9% of electricity generated in South Dakota came from renewable sources (wind, solar, hydroelectric, geothermal, and biomass), based on EIA Form 923 data.
About this data
All numbers on this page come from public datasets published by the U.S. Energy Information Administration, the U.S. Environmental Protection Agency's eGRID program, and the U.S. Census Bureau. Rate and bill figures are from EIA Form 861 (annual) and Form EIA-861-M (monthly). Generation data is from EIA Form 923. Plant inventory and retirement schedules come from EIA Form 860. Emissions are from EPA eGRID, the most recent published edition.
Data is refreshed weekly. EIA typically publishes annual data with a 10-month lag — for example, full-year 2026 data became available in late 2027.