List of power stations in Montana

This is a list of electricity-generating power stations in the U.S. state of Montana, sorted by type and name. In 2019, Montana had a total summer capacity of 6,373 MW through all of its power plants, and a net generation of 27,797 GWh.[2] The corresponding electrical energy generation mix was 50.7% coal, 36.0% hydroelectric, 8.5% wind, 1.9% natural gas, 1.7% petroleum, and 1.0% recovered industrial waste heat. Utility-scale biomass and solar facilities each contributed 0.1%. Small-scale solar, including customer-owned photovoltaic panels, delivered an additional net 24 GWh to the state's electrical grid. This compares as nearly equal to the generation by Montana's utility-scale solar PV plants.[1]

Sources of Montana electricity generation: full-year 2019 [1]

  Coal (50.7%)
  Natural Gas (1.9%)
  Hydroelectric (36.0%)
  Wind (8.5%)
  Biomass (0.1%)
  Solar (0.1%)
  Petroleum (1.7%)
  Waste Heat (1.0%)

During 2019, Montana exported about one-half of the electricity generated by its power plants to other states. Montana has the largest recoverable deposits of coal in the nation, accounting for 30% of U.S. reserves. In recent years three-quarters of the coal mined in Montana has been exported, with over one-third going to Asia via western Canada.[3]

Nuclear power stations

Montana had no utility-scale plants that used fissile material as a fuel in 2019.[1]

Fossil-fuel power stations

Data from the U.S. Energy Information Administration serves as a general reference.[4]

Coal

A useful map[5] of coal generation plants is provided by the Sierra Club.

NameLocationCoordinatesCapacity
(MW)		RefYear
Opened		 Scheduled Retirement
Colstrip Steam Electric StationRosebud County45.8831°N 106.614°W / 45.8831; -106.614 (Colstrip Coal Plant)340 - Unit 1
340 - Unit 2
740 - Unit 3
740 - Unit 4		 [6][7][8] 1975 - Unit 1
1976 - Unit 2
1984 - Unit 3
1986 - Unit 4		 CLOSED Jan 2020 - Unit 1
CLOSED Jan 2020 - Unit 2
2027 - Unit 3
2027 - Unit 4
Colstrip Energy LP PlantRosebud County45.9752°N 106.6547°W / 45.9752; -106.6547 (Colstrip Energy LP Plant)38 [9][10] 1990
Hardin Generator ProjectBig Horn County45.7578°N 107.6000°W / 45.7578; -107.6000 (Hardin Generator Project)107 [11] 2006
Lewis & Clark StationRichland County47.6785°N 104.1566°W / 47.6785; -104.1566 (Lewis & Clark Station)53 [12][13][14] 1958 Mar 2021
Sidney Sugars PlantRichland County47.7172°N 104.1356°W / 47.7172; -104.1356 (Sydney Sugars Plant)4.0 [15] 1950

Natural Gas and Petroleum
NameLocationCoordinatesCapacity
(MW)		Fuel
Type		Generation
Type		Number
of Units		RefsYear
Opened		Note
Basin Creek Generation PlantSilver Bow County45.9293°N 112.5194°W / 45.9293; -112.5194 (Basin Creek Plant)54gasReciprocating Engine (x9)9[16][17]2006
Culbertson Generation StationRoosevelt County48.2100°N 104.3917°W / 48.2100; -104.3917 (Culbertson Generation Station)85gasSimple Cycle1[18]2010
Dave Gates Generating StationDeer Lodge County46.1047°N 112.8766°W / 46.1047; -112.8766 (Dave Gates Generating Station)150gasSimple Cycle (x3)3[19]2011formerly Mill Creek GS
Glendive Gas TurbineDawson County47.0539°N 104.7400°W / 47.0539; -104.7400 (Glendive GT Plant)75gasSimple Cycle (x2)2[20]1979/2003
Miles City Gas TurbineCuster County46.4112°N 105.7953°W / 46.4112; -105.7953 (Miles City GT Plant)24gasSimple Cycle1[21]1972
OREG 1 & 2Roosevelt County48.2141°N 104.3975°W / 48.2141; -104.3975 (OREG 1/2)40waste heatORC Generator (x8)8[22]2006/2009from a gas compressor station
Phillips 66 Billings RefineryYellowstone County45.7769°N 108.4911°W / 45.7769; -108.4911 (Billing Refinery)1.5petroleum gasesSteam Turbine12007
Yellowstone EnergyYellowstone County45.8117°N 108.4278°W / 45.8117; -108.4278 (Yellowstone Plant)52petroleumSteam Turbine1[23]1995

Renewable power stations

Data from the U.S. Energy Information Administration serves as a general reference.[4]

Biomass
NameLocationCoordinatesCapacity
(MW)		RefsFuelYear
Opened		Note
Stoltze CoGen1Flathead County48.3877°N 114.2409°W / 48.3877; -114.2409 (Stoltze Cogen)3.0[24]wood/wood waste2013

Hydroelectric
See also: List of dams and reservoirs in Montana

Montana hydroelectric general references: [25][26]

NameLocationCoordinatesCapacity
(MW)		RefsYear
Opened		Note
Black Eagle HydroCascade County47.5213°N 111.2614°W / 47.5213; -111.2614 (Black Eagle Hydro)21[27]1927
Broadwater Power ProjectBroadwater County46.1206°N 111.4076°W / 46.1206; -111.4076 (Broadwater Power Project)9.7[28]1989
Canyon Ferry PowerplantLewis and Clark County46.6490°N 111.7279°W / 46.6490; -111.7279 (Canyon Ferry Powerplant)57.6[29]1953-1954
Cochrane HydroCascade County47.5375°N 111.1950°W / 47.5375; -111.1950 (Cochrane Hydro)62[27]1958
Flint Creek HydroGranite County46.2275°N 113.2947°W / 46.2275; -113.2947 (Flint Creek Hydro)2.0[30]2013
Fort Peck Hydropower PlantMcCone County48.0122°N 106.4123°W / 48.0122; -106.4123 (Fort Peck Hydropower Plant)218[31]1943/1948/
1951/1961
Hauser HydroLewis and Clark County46.7659°N 111.8873°W / 46.7659; -111.8873 (Hauser Hydro)18.2[27]1911
Holter HydroCascade County46.9915°N 112.0047°W / 46.9915; -112.0047 (Holter Hydro)53.2[27]1918
Hungry Horse PowerplantFlathead County48.3415°N 114.0144°W / 48.3415; -114.0144 (Hungry Horse Hydro Powerplant)427[32]1952-1953
Libby Hydro PlantLincoln County48.4098°N 115.3143°W / 48.4098; -115.3143 (Libby Hydro Plant)525[33]1975-1976/
1984
Madison HydroMadison County45.4879°N 111.6338°W / 45.4879; -111.6338 (Madison Hydro)8.0[27]1906/1908
Morony HydroCascade County47.5817°N 111.0609°W / 47.5817; -111.0609 (Morony Hydro)49[27]1930
Mystic Lake HydroStillwater County45.2257°N 109.7625°W / 45.2257; -109.7625 (Mystic Lake Hydro)12[27]1925
Noxon Rapids HydroSanders County47.9605°N 115.7336°W / 47.9605; -115.7336 (Noxon Rapids Hydro Plant)580[34]1959-1960/
1977
Rainbow HydroCascade County47.5344°N 111.2045°W / 47.5344; -111.2045 (Rainbow Hydro)64[27]2013
Ryan HydroCascade County47.5699°N 111.1225°W / 47.5699; -111.1225 (Ryan Hydro)69.5[27]1915-1916
Seli's Ksanka Qlispe' Hydro
(formerly Kerr Dam Hydro)		Lake County47.6777°N 114.2339°W / 47.6777; -114.2339 (Seli's Ksanka Qlispe' Hydro)206[27]1938/1949/
1954
South Dry Creek HydroCarbon County45.2063°N 109.1652°W / 45.2063; -109.1652 (South Dry Creek Hydro)2.0[35]1985
Thompson Falls HydroSanders County47.5932°N 115.3582°W / 47.5932; -115.3582 (Thompson Falls Hydro)94[27]1915-1917
Tiber Dam HydroLiberty County48.318°N 111.1018°W / 48.318; -111.1018 (Tiber Dam Hydro)7.5[25]2004
Turnbull HydroTeton County47.6053°N 112.0969°W / 47.6053; -112.0969 (Turnbull Hydro)13[36]2011
Yellowtail PowerplantBig Horn County45.3074°N 107.9575°W / 45.3074; -107.9575 (Yellowtail Powerplant)278[37]1966

Wind
See also: Wind power in Montana
NameLocationCoordinatesCapacity
(MW)		RefsYear
Opened		Turbine
Mfg Spec
Big Timber Wind Farm (Greycliff)Sweet Grass County45.8554°N 109.6492°W / 45.8554; -109.6492 (Big Timber Wind Farm)25[38]2018GE 1.8MW
Diamond Willow Wind FacilityFallon County46.2753°N 104.1836°W / 46.2753; -104.1836 (Diamond Willow Wind Facility)30[38]2008GE 1.5MW
Fairfield WindTeton County47.7233°N 111.9653°W / 47.7233; -111.9653 (Fairfield Wind)10[38]2014GE 1.6/1.7MW
Glacier Wind Farm I&IIGlacier County
Toole County		48.5333°N 112.1847°W / 48.5333; -112.1847 (Glacier Wind Farm)210[39]2008Acciona 1.5MW
Gordon Butte WindMeagher County46.4119°N 110.3378°W / 46.4119; -110.3378 (Gordon Butte Wind)9.6[38]2012GE 1.6MW
Greenfield WindTeton County47.7230°N 111.9630°W / 47.7230; -111.9630 (Greenfield Wind)25[38]2016GE 2.3MW
Horseshoe Bend Wind ParkCascade County47.4983°N 111.4392°W / 47.4983; -111.4392 (Horseshoe Bend Wind Park)9.0[38]2006GE 1.5MW
Judith Gap Wind Energy CenterWheatland County46.5725°N 109.7531°W / 46.5725; -109.7531 (Judith Gap Wind Energy Center)135[40]2006GE 1.5MW
Musselshell Wind Project I&IIWheatland County46.2753°N 109.4827°W / 46.2753; -109.4827 (Musselshell Wind Project)20[38]2013GE 1.5MW
Pryor Mountain Wind Project
(formerly Mud Springs Wind)		Carbon County240[41][42]2020-2021Vestas 2.0/2.2MW
GE 2.3MW[43]
Rim Rock Wind FarmGlacier County
Toole County		48.8202°N 112.1033°W / 48.8202; -112.1033 (Rim Rock Wind Farm)189[44][45]2012Acciona 1.5MW
Stillwater WindStillwater County45.8658°N 109.4766°W / 45.8658; -109.4766 (Stillwater Wind)80[46]2018Siemens-Gamesa 2.3/2.6MW
Spion Kop Wind FarmJudith Basin County47.3333°N 110.6392°W / 47.3333; -110.6392 (Spion Kop Wind Farm)40[38][47]2013GE 1.6MW
South Peak WindJudith Basin County47.3299°N 110.6146°W / 47.3299; -110.6146 (South Peak Wind)80[48]2020GE 2.3/2.5MW
Two Dot Wind FarmWheatland County46.4494°N 110.0872°W / 46.4494; -110.0872 (Two Dot Wind Farm)9.7[38][47]2014GE 1.6MW

Solar
See also: Solar power in Montana
Project Name Location Coordinates Capacity
(MWAC)		 Refs. Year
Opened		 Note
Black Eagle SolarCascade County47.5475°N 111.2540°W / 47.5475; -111.2540 (Black Eagle Solar)3.0[49]2017
Great Divide SolarLewis and Clark County46.8057°N 112.2490°W / 46.8057; -112.2490 (Great Divide Solar)3.0[50]2017
Green Meadow SolarLewis and Clark County46.6945°N 112.0636°W / 46.6945; -112.0636 (Green Meadow Solar)3.0[51]2017
Magpie SolarGolden Valley County46.2914°N 108.9379°W / 46.2914; -108.9379 (Magpie Solar)3.0[52]2017
River Bend SolarStillwater County45.7038°N 109.5652°W / 45.7038; -109.5652 (River Bend Solar)2.0[53]2017
South Mills SolarBig Horn County45.7301°N 107.6326°W / 45.7301; -107.6326 (South Mills Solar)3.0[54]2017

References
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  4. Energy Information Administration (15 September 2020). "Form EIA-860 detailed data with previous form data (EIA-860A/860B)". eia.gov. Archived from the original on 18 September 2020.
  5. Sierra Club-Beyond Coal
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