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Summary of Electricity Activity in Montana

Summary of Montana Generation

Montana is ranked #40 out of 51 U.S. states and territories in terms of total annual net electricity generation.

GridInfo.com electricity generation data is aggregated from Jan 2001 to Feb 2025.

Companies on File64
Plants on File96
Total Generation2.32G MMBtu
Total Sales 1.52G kWh
Total Revenue $150.92M

Map of Top Producing Cities in the Montana

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Overall National Rank

#40 /51 U.S. States

In Net Annual Generation

Overall Annual Net Geneneration

26.8 TWh

Total Annual Fuel Consumption

196.8 M MMBtu

Electric Companies in Montana

64

Montana
Power Plants

96

Natural Gas Rank

#46

Coal Rank

#26

Nuclear Rank

#40

Hydroelectric Rank

#7

Wind Rank

#20

Solar Rank

#40

Monthly Net Generation for Montana

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential683.40M kWh11.62 cents/kWh$79.39M
Commercial473.07M kWh10.85 cents/kWh$51.32M
Industrial358.79M kWh5.63 cents/kWh$20.21M
Transportation0 kWh0.00 cents/kWh$0
Total1.52G kWh9.96 cents/kWh$150.92M

* Data is aggregated from Jan 2001 to Feb 2025.

Production by Source

Largest 24 Power Plants in Montana

RankPlantUtilityLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
#5Clearwater Wind EastClearwater Wind East, LLCMiles City, Montana859.1 GWh-Feb 2025 Wind
#4Clearwater Wind IClearwater Energy Resources LLCMiles City, Montana1.3 TWhOct 2022Feb 2025 Wind
#16Clearwater Wind IIClearwater Wind II, LLCMiles City, Montana399.1 GWhNov 2023Feb 2025 Wind
#1ColstripTalen Montana LLCColstrip, Montana8.9 TWhOct 1975Feb 2025 Subbituminous Coal : 99.9%
#21Colstrip Energy LPColstrip Energy LPColstrip, Montana306.2 GWhJan 1990Dec 2023 Waste/Other Coal : 99.9%
#20Culbertson Generation StationBasin Electric Power CoopCulbertson, Montana316.6 GWhNov 2010Dec 2023 Natural Gas
#13Dave Gates Generating StationNorthWestern Energy (MT wind/thermal)Anaconda, Montana478.8 GWhDec 2010Feb 2025 Natural Gas
#9Fort PeckUSACE-OmahaFort Peck, Montana701.2 GWhJun 1943Dec 2023 Water
#14Hardin Generator ProjectHeorot Power ManagementHardin, Montana435.4 GWhFeb 2006Dec 2023 Subbituminous Coal : 99.0% Natural Gas : 1.0%
#23HolterNorthWestern Energy (MT Hydro)Wolf Creek, Montana281.6 GWhJun 1918Dec 2023 Water
#10Hungry HorseU S Bureau of ReclamationColumbia Falls, Montana650.2 GWhSep 1952Dec 2023 Water
#15Judith Gap Wind Energy CenterInvenergy Services LLCHarlowton, Montana428.0 GWhNov 2005Feb 2025 Wind
#2LibbyUSACE Northwestern DivisionLibby, Montana1.6 TWhJul 1975Dec 2023 Water
#22MoronyNorthWestern Energy (MT Hydro)Great Falls, Montana295.0 GWhDec 1929Dec 2023 Water
#11NaturEner Rim Rock EnergyNaturEner Rim Rock Energy LLCKevin, Montana596.5 GWhNov 2012Feb 2025 Wind
#3Noxon RapidsAvista CorpNoxon, Montana1.3 TWhAug 1959Dec 2023 Water
#8Pryor Mountain WindPacifiCorpBridger, Montana733.4 GWhMar 2021Feb 2025 Wind
#18Rainbow (MT)NorthWestern Energy (MT Hydro)Great Falls, Montana394.9 GWhFeb 2013Dec 2023 Water
#12RyanNorthWestern Energy (MT Hydro)Great Falls, Montana486.3 GWhJul 1915Dec 2023 Water
#7Selis Ksanka QlispeEnergy Keepers IncPolson, Montana804.8 GWhSep 1938Dec 2023 Water
#24Stillwater Wind, LLCPattern Operators LPReed Point, Montana281.1 GWhSep 2018Feb 2025 Wind
#17Thompson FallsNorthWestern Energy (MT Hydro)Thompson Falls, Montana396.3 GWhJun 1915Dec 2023 Water
#19Yellowstone Energy LPYellowstone Energy LPBillings, Montana388.8 GWhMay 1995Feb 2025 Petroleum Coke : 98.2% Other Gas : 1.6%
#6YellowtailU S Bureau of ReclamationHardin, Montana846.0 GWhJul 1966Dec 2023 Water
* Data is based on the last 12 months since Feb 2025.
View All Plants in Montana

Electricity Generation by Montana Counties

State RankCounty# Power PlantsNet Generation
Past 12 Months		Net Generation
from Natural Gas		Net Generation
from Wind		Net Generation
from Solar		Net Generation
from Nuclear
#20Beaverhead County, MT2160.0 GWh0.0 Wh0.0 Wh160.0 GWh0.0 Wh
#5Big Horn County, MT31.3 TWh4.6 GWh0.0 Wh5.5 GWh0.0 Wh
#27Broadwater County, MT139.4 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#9Carbon County, MT5736.3 GWh0.0 Wh733.4 GWh0.0 Wh0.0 Wh
#2Cascade County, MT91.9 TWh0.0 Wh29.4 GWh5.1 GWh0.0 Wh
#7Custer County, MT2859.3 GWh202.0 MWh859.1 GWh0.0 Wh0.0 Wh
#31Dawson County, MT11.5 GWh1.5 GWh0.0 Wh0.0 Wh0.0 Wh
#15Deer Lodge County, MT1478.8 GWh478.8 GWh0.0 Wh0.0 Wh0.0 Wh
#22Fallon County, MT382.1 GWh0.0 Wh82.1 GWh0.0 Wh0.0 Wh
#12Flathead County, MT4701.1 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#29Golden Valley County, MT15.6 GWh0.0 Wh0.0 Wh5.6 GWh0.0 Wh
#28Granite County, MT111.0 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#17Judith Basin County, MT2363.7 GWh0.0 Wh363.7 GWh0.0 Wh0.0 Wh
#8Lake County, MT1804.8 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#16Lewis and Clark County, MT4431.0 GWh0.0 Wh0.0 Wh11.8 GWh0.0 Wh
#26Liberty County, MT144.0 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#4Lincoln County, MT11.6 TWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#24Madison County, MT169.9 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#11McCone County, MT2701.2 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#25Meagher County, MT166.5 GWh0.0 Wh66.5 GWh0.0 Wh0.0 Wh
#30Richland County, MT23.6 GWh3.6 GWh0.0 Wh0.0 Wh0.0 Wh
#13Roosevelt County, MT3572.9 GWh316.6 GWh0.0 Wh0.0 Wh0.0 Wh
#1Rosebud County, MT511.1 TWh0.0 Wh1.9 TWh0.0 Wh0.0 Wh
#3Sanders County, MT21.7 TWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#19Silver Bow County, MT1202.1 GWh202.1 GWh0.0 Wh0.0 Wh0.0 Wh
#18Stillwater County, MT9346.9 GWh0.0 Wh281.1 GWh3.5 GWh0.0 Wh
#23Sweet Grass County, MT272.2 GWh0.0 Wh72.2 GWh0.0 Wh0.0 Wh
#21Teton County, MT3140.1 GWh0.0 Wh109.5 GWh0.0 Wh0.0 Wh
#6Toole County, MT31.1 TWh0.0 Wh1.1 TWh0.0 Wh0.0 Wh
#14Wheatland County, MT8504.0 GWh0.0 Wh504.0 GWh0.0 Wh0.0 Wh
#10Yellowstone County, MT8721.8 GWh149.5 GWh4.2 GWh174.1 GWh0.0 Wh
* Net Generation data is based on the last 12 months since Feb 2025.
View All Counties in Montana

Top 20 Electricity Producing Cities in Montana

CityNet Generation# Power Plants
Anaconda-Deer Lodge County, Montana478.8 GWh1
Billings, Montana568.7 GWh3
Bridger, Montana733.4 GWh1
Colstrip, Montana9.2 TWh2
Columbia Falls, Montana668.2 GWh2
Culbertson, Montana572.9 GWh3
Fort Peck, Montana701.2 GWh1
Geyser, Montana363.7 GWh2
Great Falls, Montana1.6 TWh6
Hardin, Montana1.3 TWh3
Harlowton, Montana428.0 GWh1
Helena, Montana424.8 GWh3
Kevin, Montana596.5 GWh1
Libby, Montana1.6 TWh1
Miles City, Montana2.8 TWh5
Noxon, Montana1.3 TWh1
Polson, Montana804.8 GWh1
Reed Point, Montana284.6 GWh2
Thompson Falls, Montana396.3 GWh1
Wolf Creek, Montana281.6 GWh1
* Data is based on the last 12 months since Feb 2025.
Browse All Cities in Montana

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#12Arizona116.3 TWh221
#4California214.8 TWh2,305
#30Colorado57.7 TWh341
#43Idaho18.7 TWh196
#5Illinois185.4 TWh545
#21Iowa72.0 TWh349
#27Kansas59.1 TWh197
#29Minnesota58.3 TWh889
#23Missouri68.5 TWh177
#37Nebraska38.1 TWh146
#33Nevada45.2 TWh153
#36New Mexico38.6 TWh181
#34North Dakota43.6 TWh72
#18Oklahoma94.5 TWh159
#25Oregon63.7 TWh320
#42South Dakota20.3 TWh61
#39Utah36.7 TWh179
#13Washington102.6 TWh183
#24Wisconsin65.6 TWh323
#35Wyoming42.2 TWh93

* Net Generation data is based on the last 12 months since Feb 2025