Power Plants in Grant County, South Dakota

Grant County, South Dakota has 5 power plants totaling 915 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants5operating sites
Capacity914 MWnameplate
Generation2.1M MWhannual
CO₂1.7Mmetric tons/year
Wind 50%Coal 49%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
Big StoneBig Stone CityCoal451 MWOtter Tail Power Co
Dakota Range WindMarvinWind304 MWNorthern States Power Co - Minnesota
Dakota Range Iii Wind ProjectSummitWind154 MWEngie North America
Valley Queen CheeseMilbankOil4.5 MWValley Queen Cheese Factory, Inc.
State Auto InsuranceMilbankOil1.7 MWSlb Milbank Llc

About power generation in Grant County

Grant County, South Dakota has 5 power plants totaling 915 MW of nameplate capacity. Wind is the dominant fuel source at 50% of installed capacity, followed by Coal (49%) and Oil (1%). The largest facility is Big Stone at 451 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

To find plants closer to a specific address in Grant County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.