Checked
Stillwater County, MT Energy
Electric utilities, power plants and charging stations in Stillwater County, Montana.
- Montana home electricity
- 14.99¢/kWh
- July 2026
- Regular gas, region
- $4.47/gal
- Rocky Mountain (PADD 4)
- Electric utilities
- 4
- Serving Stillwater County
Electric utilities serving Stillwater County
As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Montana service area
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| Utility | Customers in state | Home price | Home bill |
|---|---|---|---|
| NorthWestern Energy LLC - (MT)Investor Owned | 438,851 | 14.42¢/kWh | $102/mo |
| Yellowstone Valley Elec Co-opCooperative | 23,683 | 14.22¢/kWh | $127/mo |
| Fergus Electric Coop, IncCooperative | 7,157 | 15.91¢/kWh | $143/mo |
| Beartooth Electric Coop, IncCooperative | 6,538 | Not reported | Not reported |
Power plants in Stillwater County
340 MW of operating capacity
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| Plant | Fuel | Capacity |
|---|---|---|
| Beaver Creek Wind Facility | Wind | 248 MW |
| Stillwater Wind, LLC | Wind | 79.7 MW |
| Mystic | Hydroelectric | 12.0 MW |
Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.
Frequently asked questions
- What electric company serves Stillwater County?
- NorthWestern Energy LLC - (MT), Yellowstone Valley Elec Co-op, Fergus Electric Coop, Inc and 1 more report serving Stillwater County to EIA. Check your bill or address with the utility to confirm which one serves you.
- Are there power plants in Stillwater County?
- Yes. Stillwater County has 3 operating power plants with 340 MW of capacity. The largest is Beaver Creek Wind Facility (248 MW, wind).