Power Plants in Montana

Montana operates 83 power plants totaling 7,403 MW of nameplate capacity. Hydroelectric dominates the mix at 36%, followed by Wind (26%) and Coal (24%). The largest plant is Colstrip at 1,647 MW.

Plants83operating sites
Capacity7,403 MWnameplate
Generation26.9M MWhannual
CO₂14.2Mmetric tons/year
Hydroelectric 36%Wind 26%Coal 24%Natural Gas 9%Solar 2%

Plant locations

Largest plants in Montana

PlantCityFuelCapacity
ColstripColstripCoal1,647 MW
LibbyLibbyHydroelectric525 MW
Noxon RapidsNoxonHydroelectric488 MW
Hungry HorseColumbia FallsHydroelectric428 MW
Clearwater Wind IMiles CityWind366 MW
YellowtailHardinHydroelectric278 MW
Pryor Mountain WindBridgerWind240 MW
Selis Ksanka QlispePolsonHydroelectric228 MW
Clearwater Wind EastMiles CityWind208 MW
Yellowstone County Generating StationLaurelNatural Gas207 MW
Dave Gates Generating StationAnacondaNatural Gas203 MW
Naturener Rim Rock EnergyKevinWind189 MW
Fort PeckFort PeckHydroelectric180 MW
Judith Gap Wind Energy CenterHarlowtonWind135 MW
Hardin Generator ProjectHardinCoal116 MW
Culbertson Generation StationCulbertsonNatural Gas108 MW
Naturener Glacier Wind Energy 1EthridgeWind107 MW
Naturener Glacier Wind Energy 2EthridgeWind104 MW
Clearwater Wind IiMiles CityWind103 MW
Clearwater Wind IiiMiles CityWind100 MW
Thompson FallsThompson FallsHydroelectric98.1 MW
Glendive GtGlendiveNatural Gas83.7 MW
South Peak WindGeyserWind80.0 MW
MtsunBillingsSolar80.0 MW
Apex SolarDillonSolar80.0 MW
Stillwater Wind, LlcReed PointWind79.7 MW
Yellowstone Energy LpBillingsOil68.0 MW
MoronyGreat FallsHydroelectric63.0 MW
CochraneGreat FallsHydroelectric60.4 MW
Rainbow (Mt)Great FallsHydroelectric59.0 MW
HolterWolf CreekHydroelectric56.8 MW
RyanGreat FallsHydroelectric55.2 MW
Basin Creek PlantButteNatural Gas54.9 MW
Canyon FerryHelenaHydroelectric52.4 MW
Colstrip Energy LpColstripCoal46.1 MW
Spion Kop Wind FarmGeyserWind40.0 MW
Diamond Willow Wind FacilityBakerWind30.0 MW
Oreg 1 IncCulbertsonOther Fossil30.0 MW
Oreg 2 IncCulbertsonOther Fossil30.0 MW
Greenfield Wind - MtFairfieldWind25.0 MW
Big Timber Wind FarmBig TimberWind25.0 MW
Black EagleGreat FallsHydroelectric24.0 MW
Miles City GtMiles CityNatural Gas23.3 MW
HauserHelenaHydroelectric19.1 MW
Lewis & ClarkRichlandNatural Gas18.6 MW
Gordon Butte Wind LlcMartinsdaleWind17.7 MW
Madison DamEnnisHydroelectric16.4 MW
Turnbull HydroFairfieldHydroelectric13.0 MW
MysticFishtailHydroelectric12.0 MW
Musselshell Wind ProjectShawmutWind10.0 MW

By county