PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/2196
EIA plant 2196
Yellowstone · Teton · WY
Old Faithful
Operated by NorthWestern Energy (MT wind/thermal)
Published location
Where is Old Faithful?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.453300, -110.834700
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 26 MWh |
| 2 | 14 MWh |
| 3 | 15 MWh |
| 4 | 23 MWh |
| 5 | 20 MWh |
| 6 | 31 MWh |
| 7 | 29 MWh |
| 8 | 17 MWh |
| 9 | 26 MWh |
| 10 | 28 MWh |
| 11 | 22 MWh |
| 12 | 21 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Petroleum Liquids | DFO | 1 | SB |
| 2 | Petroleum Liquids | DFO | 1 | SB |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
2196
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final