Wind farms in Montana

23 operating wind farms in Montana with 2,147 MW of wind capacity, largest first. From EIA-860M, August 2026.

Plants

23

Wind capacity

2,147 MW

Net generation, 2025

6.23 TWh

Largest

Clearwater Wind I

366 MW

Largest wind farms in Montana

#PlantWind MW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Clearwater Wind IRosebud County3661,32941.5%Clearwater Energy Resources LLC
2Beaver Creek Wind FacilityStillwater County248161*–Puget Sound Energy Inc
3Pryor Mountain WindCarbon County24075135.7%PacifiCorp
4Clearwater Wind EastCuster County20883045.6%Portland General Electric Co
5NaturEner Rim Rock EnergyToole County18952531.7%NaturEner Rim Rock Energy LLC
6Judith Gap Wind Energy CenterWheatland County13541234.9%Invenergy Services LLC
7NaturEner Glacier Wind Energy 1Toole County10719621.0%NaturEner Glacier Wind Energy 1 LLC
8NaturEner Glacier Wind Energy 2Toole County10421723.9%NaturEner Glacier Wind Energy 2 LLC
9Clearwater Wind IIRosebud County10340144.5%Clearwater Wind II, LLC
10Clearwater Wind IIIRosebud County10037743.0%Clearwater Wind III, LLC
11South Peak WindJudith Basin County8024334.7%ALLETE Clean Energy
12Stillwater Wind, LLCStillwater County8025336.2%Pattern Operators LP
13Spion Kop Wind FarmJudith Basin County4097.727.9%NorthWestern Energy (MT wind/thermal)
14Diamond Willow Wind FacilityFallon County3088.033.5%Montana-Dakota Utilities Co
15Greenfield Wind - MTTeton County2578.635.9%Greenbacker Renewable Energy Corporation
16Big Timber Wind FarmSweet Grass County2573.333.5%RWE Clean Energy
17Gordon Butte Wind LLCMeagher County1866.542.9%Gordon Butte Wind LLC
18Musselshell Wind ProjectWheatland County1023.827.1%Musselshell Wind Project LLC
19Musselshell Wind Project Two LLCWheatland County1027.231.1%Musselshell Wind Project Two LLC
20Fairfield WindTeton County1027.731.6%Greenbacker Renewable Energy Corporation
21Horseshoe Bend Wind ParkCascade County9.721.2–Cycle Holdings, LLC
22Two Dot Wind FarmWheatland County9.728.833.9%NorthWestern Energy (MT wind/thermal)
23Two Dot Wind Broadview East LLCYellowstone County1.84.226.5%Two Dot Wind Broadview East LLC

* Fewer than 12 months of 2025 reported, so the total is partial.

Projects where wind is the largest fuel or at least a fifth of nameplate capacity. MW is wind nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for Montana