Owner profile
NorthWestern Energy (MT wind/thermal)
NorthWestern Energy (MT wind/thermal) owns or operates 6 generating facilities commissioned between 1967 and 2024, with a combined nameplate capacity of 464.5 MW. The largest share of capacity is natural gas (88%), spread across 2 states.
Ownership reflects the utility or operator reported to EIA (Form EIA-860); equity ownership of individual facilities may differ.
6
Plants
464.5 MW
Total capacity
2
States
207 MW
Largest: Yellowstone County Generatin
Capacity mix
Natural Gas 88.3%Wind 10.7%Oil 1.0%
By state
Operating plants
| Plant | Fuel | Capacity |
|---|---|---|
| Yellowstone County Generating Station | Natural Gas | 207 MW |
| Dave Gates Generating Station | Natural Gas | 203.1 MW |
| Spion Kop Wind Farm | Wind | 40 MW |
| Two Dot Wind Farm | Wind | 9.7 MW |
| Lake (WY) | Oil | 2.7 MW |
| Old Faithful | Oil | 2 MW |