Solar farms in South Dakota

4 operating solar farms in South Dakota with 217 MW of solar capacity, largest first. From EIA-860M, August 2026.

Plants

Solar capacity

217 MW

Net generation, 2025

449 GWh

Largest

Wild Springs

128 MW

Largest solar farms in South Dakota

#	Plant	Solar MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Wild SpringsPennington County	128	264	23.5%	Geronimo Power
2	Fall River Solar, LLCFall River County	80	171	24.4%	Greenbacker Renewable Energy Corporation
3	RE Solar, LLCSpink County	8.3	11.9	16.4%	Redfield Energy, LLC
4	Pierre SolarHughes County	1.0	1.9	22.2%	Western Minnesota Mun Pwr Agny

Projects where solar is the largest fuel or at least a fifth of nameplate capacity. MW is solar nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for South Dakota

Largest power plants in South Dakota48 plants · 7,580 MW Wind farms in South Dakota25 plants · 3,457 MW Natural gas power plants in South Dakota10 plants · 1,594 MW Hydroelectric power plants in South Dakota4 plants · 1,608 MW

All plants in South Dakota Largest solar farms in the US