OREG 1 INC
OperatingPower plant
- Capacity
- 30 MW
- County
- Roosevelt County
- Operator
- ORMAT NEVADA INC
- Status
- Operating
- Commissioned
- 2006
- EIA plant ID
- 56833
- Coordinates
- 48.2140, -104.3975
OREG 1 INC, a 30 MW power plant in Roosevelt County, Montana. Operated by ORMAT NEVADA INC, commissioned 2006.
Weather peril exposure
OREG 1 INC is a 30 MW power plant in Roosevelt County, MT, operated by ORMAT NEVADA INC, commissioned in 2006. Roosevelt County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.8 of 5 at the 45th national percentile. Heat wave is the leading peril, rated Relatively Low by FEMA at the 89th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to this plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Roosevelt County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Low | 89th | 4.6 of 5 | 2.5 |
| Strong wind | Relatively Moderate | 85th | 4.4 of 5 | 1.5 |
| Wildfire | Relatively Low | 83rd | 4.3 of 5 | <0.01 |
| Winter weather | Relatively High | 79th | 4.2 of 5 | 18.7 |
| Hail | Relatively Low | 56th | 3.2 of 5 | 1.8 |
| Ice storm | Relatively Low | 51st | 3.0 of 5 | 0.09 |
| Tornado | Relatively Low | 34th | 2.4 of 5 | 0.25 |
| Lightning | Relatively Low | 33rd | 2.3 of 5 | 26.1 |
| Earthquake | Very Low | 11th | 1.4 of 5 | <0.01 |
| Riverine flooding | Very Low | 8th | 1.3 of 5 | 1.4 |
Perils not assessed in Roosevelt 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 Roosevelt 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.