Owner profile

NorthWestern Energy - (SD)

NorthWestern Energy - (SD) owns or operates 11 generating facilities commissioned between 1932 and 2022, with a combined nameplate capacity of 352 MW. The largest share of capacity is natural gas (73%), located in South Dakota.

Ownership reflects the utility or operator reported to EIA (Form EIA-860); equity ownership of individual facilities may differ.

11
Plants
352 MW
Total capacity
1
States
111 MW
Largest: Aberdeen CT

Capacity mix

Natural Gas 72.5%Wind 22.7%Oil 4.8%

Operating plants

PlantFuelStateOwnerCapacity
Aberdeen CTNatural GasSouth DakotaNorthWestern Energy - (SD)111 MW
Beethoven WindWindSouth DakotaNorthWestern Energy - (SD)80 MW
Bob Glanzer Generating StationNatural GasSouth DakotaNorthWestern Energy - (SD)69 MW
YanktonNatural GasSouth DakotaNorthWestern Energy - (SD)13.4 MW
Clark (SD)OilSouth DakotaNorthWestern Energy - (SD)2.7 MW
FaulktonOilSouth DakotaNorthWestern Energy - (SD)2.7 MW
Retired plants (5)
PlantFuelStateOwnerCapacity
Huronretired 2022Natural GasSouth DakotaNorthWestern Energy - (SD)57.9 MW
Highmoreretired 2014OilSouth DakotaNorthWestern Energy - (SD)4.6 MW
Mobile Unitretired 2019OilSouth DakotaNorthWestern Energy - (SD)4.2 MW
Redfieldretired 2014Natural GasSouth DakotaNorthWestern Energy - (SD)3.9 MW
Webster ICretired 2004OilSouth DakotaNorthWestern Energy - (SD)2.6 MW