OLD FAITHFUL
OperatingOil power plant
- Capacity
- 2 MW
- Primary fuel
- Oil
- County
- Teton County
- Operator
- NORTHWESTERN ENERGY
- Status
- Operating
- Commissioned
- 1979
- EIA plant ID
- 2196
- Coordinates
- 44.4607, -110.8345
OLD FAITHFUL, a 2 MW Oil power plant in Teton County, Wyoming. Operated by NORTHWESTERN ENERGY, commissioned 1979.
Weather peril exposure
OLD FAITHFUL is a 2 MW oil power plant in Teton County, WY, operated by NORTHWESTERN ENERGY, commissioned in 1979. Teton County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.7 of 5 at the 18th national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 93rd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Teton County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 93rd | 4.7 of 5 | 0.04 |
| Wildfire | Relatively Moderate | 89th | 4.6 of 5 | <0.01 |
| Hail | Very Low | 31st | 2.2 of 5 | 0.19 |
| Riverine flooding | Very Low | 27th | 2.1 of 5 | 0.36 |
| Winter weather | Relatively Moderate | 24th | 2.0 of 5 | 38.5 |
| Ice storm | Very Low | 17th | 1.7 of 5 | 0.01 |
| Tornado | Very Low | 17th | 1.7 of 5 | 0.09 |
| Strong wind | Very Low | 12th | 1.5 of 5 | 0.26 |
| Lightning | Very High | 10th | 1.4 of 5 | 38.5 |
| Heat wave | Very Low | 3rd | 1.1 of 5 | <0.01 |
Perils not assessed in Teton County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Teton County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.