Largest Power Plants in South Dakota

South Dakota has 62 power plants with a combined nameplate capacity of 7,668 MW. The table below ranks the 50 largest by installed capacity — these are the facilities with the most generation potential in the state. Nameplate capacity measures the maximum output under ideal conditions; actual generation depends on fuel cost, demand, and maintenance schedules.

For a complete list of all plants in the state, visit the South Dakota state page. To find plants near a specific address, use the address lookup.

#	Plant	State	Fuel	Capacity
1	Oahe	South Dakota	Hydroelectric	786 MW
2	Big Bend Dam	South Dakota	Hydroelectric	538 MW
3	Big Stone	South Dakota	Coal	451 MW
4	Angus Anson	South Dakota	Natural Gas	406 MW
5	Astoria Station	South Dakota	Natural Gas	349 MW
6	Deer Creek Station	South Dakota	Natural Gas	324 MW
7	Fort Randall	South Dakota	Hydroelectric	320 MW
8	Dakota Range Wind	South Dakota	Wind	304 MW
9	Deuel Harvest Wind Energy Llc	South Dakota	Wind	300 MW
10	Triple H Wind Project	South Dakota	Wind	250 MW
11	Prevailing Wind Park	South Dakota	Wind	220 MW
12	Groton Generation Station	South Dakota	Natural Gas	216 MW
13	Buffalo Ridge Ii Llc	South Dakota	Wind	210 MW
14	Crowned Ridge Wind Ii Energy Center	South Dakota	Wind	201 MW
15	Crowned Ridge Wind Energy Center	South Dakota	Wind	200 MW
16	Crocker Wind Farm	South Dakota	Wind	200 MW
17	Sweetland Wind Farm, Llc	South Dakota	Wind	200 MW
18	North Bend Wind Project, Llc	South Dakota	Wind	200 MW
19	Prairie Winds Sd1	South Dakota	Wind	162 MW
20	Tatanka Ridge	South Dakota	Wind	154 MW
21	Dakota Range Iii Wind Project	South Dakota	Wind	154 MW
22	Spirit Mound	South Dakota	Oil	135 MW
23	Wild Springs	South Dakota	Solar	128 MW
24	Aberdeen Ct	South Dakota	Natural Gas	111 MW
25	Ben French	South Dakota	Natural Gas	110 MW
26	Willow Creek Wind Power Llc	South Dakota	Wind	105 MW
27	Day County Wind Llc	South Dakota	Wind	99 MW
28	Campbell County Wind Farm	South Dakota	Wind	98 MW
29	Coyote Ridge	South Dakota	Wind	97 MW
30	Beethoven Wind	South Dakota	Wind	80 MW
31	Fall River Solar, Llc	South Dakota	Solar	80 MW
32	Bob Glanzer Generating Station	South Dakota	Natural Gas	69 MW
33	Watertown Power Plant	South Dakota	Oil	68 MW
34	Wessington Springs	South Dakota	Wind	51 MW
35	Buffalo Ridge I Llc	South Dakota	Wind	50 MW
36	South Dakota Wind Energy Cente	South Dakota	Wind	41 MW
37	Lange Generating Station	South Dakota	Natural Gas	40 MW
38	Rolling Thunder Wind Farm Hybrid	South Dakota	Wind	26 MW
39	Lake Preston	South Dakota	Oil	24 MW
40	Aurora County Wind	South Dakota	Wind	20 MW
41	Brule County Wind	South Dakota	Wind	20 MW
42	Oak Tree Energy	South Dakota	Wind	20 MW
43	Yankton	South Dakota	Natural Gas	13 MW
44	Ft. Pierre	South Dakota	Oil	6 MW
45	Poet Biorefining - Chancellor	South Dakota	Natural Gas	5 MW
46	Valley Queen Cheese	South Dakota	Oil	5 MW
47	Spearfish Hydro	South Dakota	Hydroelectric	4 MW
48	Poet Bioprocessing- Mitchell	South Dakota	Natural Gas	4 MW
49	Poet Biorefining - Hudson	South Dakota	Natural Gas	4 MW
50	Clark (Sd)	South Dakota	Oil	3 MW

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PowerPlantsNearMe.com. (2026). Largest Power Plants in South Dakota. Derived from EIA Form 860, EIA Form 923, and EPA eGRID. Retrieved from https://powerplantsnearme.com/largest-power-plants/south-dakota

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Largest Power Plants in South Dakota

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