EIA state data · 2025
Montana Electricity Generation
Net electricity generation in Montana totaled 28,503 GWh in 2025 (EIA Forms 923, 860, and 861 aggregated to calendar year). Rank among U.S. states and DC: #40. Renewable share (wind, solar, hydro, geothermal, wood, other biomass): 58.0%.
Generation by fuel (2025)
| Fuel / technology | Generation (GWh) |
|---|---|
| Coal | 10,024 |
| Hydropower | 9,791 |
| Wind | 6,252 |
| Natural Gas | 1,319 |
| Solar | 496 |
| Other | 261 |