Largest Power Plants in Montana

Montana has 83 power plants with a combined nameplate capacity of 7,403 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 Montana state page. To find plants near a specific address, use the address lookup.

#PlantStateFuelCapacity
1ColstripMontanaCoal1,647 MW
2LibbyMontanaHydroelectric525 MW
3Noxon RapidsMontanaHydroelectric488 MW
4Hungry HorseMontanaHydroelectric428 MW
5Clearwater Wind IMontanaWind366 MW
6YellowtailMontanaHydroelectric278 MW
7Pryor Mountain WindMontanaWind240 MW
8Selis Ksanka QlispeMontanaHydroelectric228 MW
9Clearwater Wind EastMontanaWind208 MW
10Yellowstone County Generating StationMontanaNatural Gas207 MW
11Dave Gates Generating StationMontanaNatural Gas203 MW
12Naturener Rim Rock EnergyMontanaWind189 MW
13Fort PeckMontanaHydroelectric180 MW
14Judith Gap Wind Energy CenterMontanaWind135 MW
15Hardin Generator ProjectMontanaCoal116 MW
16Culbertson Generation StationMontanaNatural Gas108 MW
17Naturener Glacier Wind Energy 1MontanaWind107 MW
18Naturener Glacier Wind Energy 2MontanaWind104 MW
19Clearwater Wind IiMontanaWind103 MW
20Clearwater Wind IiiMontanaWind100 MW
21Thompson FallsMontanaHydroelectric98 MW
22Glendive GtMontanaNatural Gas84 MW
23South Peak WindMontanaWind80 MW
24MtsunMontanaSolar80 MW
25Apex SolarMontanaSolar80 MW
26Stillwater Wind, LlcMontanaWind80 MW
27Yellowstone Energy LpMontanaOil68 MW
28MoronyMontanaHydroelectric63 MW
29CochraneMontanaHydroelectric60 MW
30Rainbow (Mt)MontanaHydroelectric59 MW
31HolterMontanaHydroelectric57 MW
32RyanMontanaHydroelectric55 MW
33Basin Creek PlantMontanaNatural Gas55 MW
34Canyon FerryMontanaHydroelectric52 MW
35Colstrip Energy LpMontanaCoal46 MW
36Spion Kop Wind FarmMontanaWind40 MW
37Diamond Willow Wind FacilityMontanaWind30 MW
38Oreg 1 IncMontanaOther Fossil30 MW
39Oreg 2 IncMontanaOther Fossil30 MW
40Greenfield Wind - MtMontanaWind25 MW
41Big Timber Wind FarmMontanaWind25 MW
42Black EagleMontanaHydroelectric24 MW
43Miles City GtMontanaNatural Gas23 MW
44HauserMontanaHydroelectric19 MW
45Lewis & ClarkMontanaNatural Gas19 MW
46Gordon Butte Wind LlcMontanaWind18 MW
47Madison DamMontanaHydroelectric16 MW
48Turnbull HydroMontanaHydroelectric13 MW
49MysticMontanaHydroelectric12 MW
50Musselshell Wind ProjectMontanaWind10 MW

Cite this page

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

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