NORTH VALMY
OperatingCoal power plant
- Capacity
- 567 MW
- Primary fuel
- Coal
- County
- Humboldt County
- Operator
- SIERRA PACIFIC POWER CO
- Status
- Operating
- Commissioned
- 1981
- EIA plant ID
- 8224
- Coordinates
- 40.8813, -117.1516
NORTH VALMY, a 567 MW Coal power plant in Humboldt County, Nevada. Operated by SIERRA PACIFIC POWER CO, commissioned 1981.
Weather peril exposure
NORTH VALMY is a 567 MW coal power plant in Humboldt County, NV, operated by SIERRA PACIFIC POWER CO, commissioned in 1981. Humboldt County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.9 of 5 at the 23rd national percentile. Wildfire is the leading peril, rated Relatively Moderate by FEMA at the 100th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Humboldt County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Moderate | 100th | 5.0 of 5 | 0.02 |
| Earthquake | Relatively Low | 90th | 4.6 of 5 | 0.01 |
| Winter weather | Relatively Moderate | 81st | 4.2 of 5 | 11.7 |
| Heat wave | Relatively Low | 62nd | 3.5 of 5 | 4.5 |
| Riverine flooding | Very Low | 13th | 1.5 of 5 | 0.46 |
| Lightning | Very Low | 11th | 1.4 of 5 | 19.5 |
| Hail | Very Low | 8th | 1.3 of 5 | 0.02 |
| Strong wind | Very Low | 4th | 1.2 of 5 | 0.09 |
| Tornado | Very Low | 3rd | 1.1 of 5 | 0.13 |
Perils not assessed in Humboldt 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 |
| Ice storm | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Humboldt 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.