MT · State grid profile
Montana power grid
Montana's operating portfolio is led by Hydro, followed by Wind. Its 77 plants represent 7,404 MW of nameplate capacity. The dataset also reports 1,821 MW of proposed capacity.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
Montana capacity by fuel
Hydro36.2%2,682 MW
Wind25.6%1,898 MW
Coal25.4%1,879 MW
Oil & gas9.5%700 MW
Solar2.4%179 MW
Industrial & other0.8%60 MW
Biomass0.1%6 MW
Facility intelligence
Largest Montana power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| ColstripPlant 6076 | Coal | Colstrip, MTRosebud County | Talen Montana LLC | 1,647 MW |
| LibbyPlant 6172 | Hydro | Libby, MTLincoln County | USACE Northwestern Division | 525 MW |
| Noxon RapidsPlant 2199 | Hydro | Noxon, MTSanders County | Avista Corp | 488 MW |
| Hungry HorsePlant 2203 | Hydro | Columbia Falls, MTFlathead County | U S Bureau of Reclamation | 428 MW |
| Clearwater Wind IPlant 65577 | Wind | Miles City, MTRosebud County | Clearwater Energy Resources LLC | 366 MW |
| YellowtailPlant 2204 | Hydro | Hardin, MTBig Horn County | U S Bureau of Reclamation | 278 MW |
| Beaver Creek Wind FacilityPlant 65019 | Wind | Big Timber, MTStillwater County | Puget Sound Energy Inc | 248 MW |
| Pryor Mountain WindPlant 59757 | Wind | Bridger, MTCarbon County | PacifiCorp | 240 MW |
| Selis Ksanka QlispePlant 2188 | Hydro | Polson, MTLake County | Energy Keepers Inc | 228 MW |
| Clearwater Wind EastPlant 66183 | Wind | Miles City, MTCuster County | Portland General Electric Co | 208 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.