Power Plants in South Dakota

South Dakota operates 62 power plants totaling 7,668 MW of nameplate capacity. Wind dominates the mix at 45%, followed by Natural Gas (22%) and Hydroelectric (21%). The largest plant is Oahe at 786 MW.

Plants62operating sites

Capacity7,667 MWnameplate

Generation17.4M MWhannual

CO₂2.9Mmetric tons/year

Wind 45%Natural Gas 22%Hydroelectric 21%Coal 6%Oil 3%Solar 3%

Plant locations

Largest plants in South Dakota

Plant	City	Fuel	Capacity
Oahe	Pierre	Hydroelectric	786 MW
Big Bend Dam	Chamberlain	Hydroelectric	538 MW
Big Stone	Big Stone City	Coal	451 MW
Angus Anson	Sioux Falls	Natural Gas	406 MW
Astoria Station	Astoria	Natural Gas	349 MW
Deer Creek Station	White	Natural Gas	324 MW
Fort Randall	Pickstown	Hydroelectric	320 MW
Dakota Range Wind	Marvin	Wind	304 MW
Deuel Harvest Wind Energy Llc	Clear Lake	Wind	300 MW
Triple H Wind Project	Highmore	Wind	250 MW
Prevailing Wind Park	Lesterville	Wind	220 MW
Groton Generation Station	Groton	Natural Gas	216 MW
Buffalo Ridge Ii Llc	Elkton	Wind	210 MW
Crowned Ridge Wind Ii Energy Center	Watertown	Wind	201 MW
Crowned Ridge Wind Energy Center	Watertown	Wind	200 MW
Crocker Wind Farm	Conde	Wind	200 MW
Sweetland Wind Farm, Llc	St. Lawrence	Wind	200 MW
North Bend Wind Project, Llc	Highmore	Wind	200 MW
Prairie Winds Sd1	Crow Lake	Wind	162 MW
Tatanka Ridge	Toronto	Wind	154 MW
Dakota Range Iii Wind Project	Summit	Wind	154 MW
Spirit Mound	Vermillion	Oil	135 MW
Wild Springs	New Underwood	Solar	128 MW
Aberdeen Ct	Aberdeen	Natural Gas	111 MW
Ben French	Rapid City	Natural Gas	110 MW
Willow Creek Wind Power Llc	Newell	Wind	105 MW
Day County Wind Llc	Conde	Wind	99.0 MW
Campbell County Wind Farm	Pollock	Wind	97.8 MW
Coyote Ridge	White	Wind	97.4 MW
Beethoven Wind	Tripp	Wind	80.0 MW
Fall River Solar, Llc	Edgemont	Solar	80.0 MW
Bob Glanzer Generating Station	Huron	Natural Gas	69.0 MW
Watertown Power Plant	Watertown	Oil	67.5 MW
Wessington Springs	Wessington Springs	Wind	51.0 MW
Buffalo Ridge I Llc	Elkton	Wind	50.4 MW
South Dakota Wind Energy Cente	Highmore	Wind	40.5 MW
Lange Generating Station	Rapid City	Natural Gas	40.0 MW
Rolling Thunder Wind Farm Hybrid	Miller	Wind	25.8 MW
Lake Preston	Lake Preston	Oil	24.1 MW
Aurora County Wind	White Lake	Wind	20.0 MW
Brule County Wind	Kimball	Wind	20.0 MW
Oak Tree Energy	Clark	Wind	19.5 MW
Yankton	Yankton	Natural Gas	13.4 MW
Ft. Pierre	Fort Pierre	Oil	6.0 MW
Poet Biorefining - Chancellor	Chancellor	Natural Gas	5.4 MW
Valley Queen Cheese	Milbank	Oil	4.5 MW
Spearfish Hydro	Spearfish	Hydroelectric	4.0 MW
Poet Bioprocessing- Mitchell	Mitchell	Natural Gas	3.9 MW
Poet Biorefining - Hudson	Hudson	Natural Gas	3.6 MW
Clark (Sd)	Clark	Oil	2.7 MW

By county

Grant County5 plants · 914 MW Deuel County3 plants · 803 MW Hughes County2 plants · 787 MW Brookings County5 plants · 681 MW Buffalo County1 plants · 538 MW Hyde County5 plants · 490 MW Codington County3 plants · 468 MW Minnehaha County2 plants · 405 MW Brown County2 plants · 327 MW Charles Mix County1 plants · 320 MW Pennington County3 plants · 278 MW Yankton County2 plants · 233 MW Hand County2 plants · 225 MW Clark County3 plants · 222 MW Jerauld County2 plants · 213 MW Clay County1 plants · 135 MW Butte County1 plants · 105 MW Day County2 plants · 99 MW Campbell County1 plants · 97 MW Bon Homme County1 plants · 80 MW Fall River County1 plants · 80 MW Beadle County3 plants · 69 MW Kingsbury County1 plants · 24 MW Brule County2 plants · 22 MW Aurora County1 plants · 20 MW Stanley County1 plants · 6 MW Turner County1 plants · 5 MW Lawrence County1 plants · 4 MW Davison County1 plants · 3 MW Lincoln County1 plants · 3 MW Faulk County1 plants · 2 MW Spink County1 plants · 0 MW