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- Clean firm
- Operating
- 10 · 100 · 1,000 MW
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- Clean firm
- Operating
Mystic: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Mystic
Power plant · Hydro
Key facts
Power plant · Hydroran 50% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1925
- Net generation, 2025
- 52,456 MWh
- Grid
- 50 kV to NorthWestern Energy LLC - (MT) (NWMT)
- Location
- Stillwater County, Montana
- Operated by
- NorthWestern Energy (MT Hydro)SourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
Details
Who’s behind it
No companies named in filings yet.
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- Technology
- Hydro source: “Conventional Hydroelectric”
- Age
- 101 years since 1925
All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 178,980 |
| Capacity factor, 2025 | 0.499 |
| Net generation (MWh), 2025 | 52,456 |
| Balancing authority code | NWMT |
Timeline
- In service · EIA-860M
Sources
3 sourcesSources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory