BLACK MOUNTAIN GENERATING STATION
OperatingPower plant
- Capacity
- 121 MW
- County
- Mohave County
- Operator
- UNS ELECTRIC INC
- Status
- Operating
- Commissioned
- 2008
- EIA plant ID
- 56482
- Coordinates
- 35.0361, -114.1594
BLACK MOUNTAIN GENERATING STATION, a 121 MW power plant in Mohave County, Arizona. Operated by UNS ELECTRIC INC, commissioned 2008.
Weather peril exposure
BLACK MOUNTAIN GENERATING STATION is a 121 MW power plant in Mohave County, AZ, operated by UNS ELECTRIC INC, commissioned in 2008. Mohave County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.5 of 5 at the 13th national percentile. Wildfire is the leading peril, rated Relatively High by FEMA at the 95th 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.
Mohave County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively High | 95th | 4.8 of 5 | <0.01 |
| Riverine flooding | Relatively High | 86th | 4.4 of 5 | 10.4 |
| Heat wave | Relatively High | 67th | 3.7 of 5 | 10.3 |
| Earthquake | Relatively Low | 61st | 3.5 of 5 | 0.01 |
| Winter weather | Relatively High | 28th | 2.1 of 5 | 5.4 |
| Strong wind | Relatively Moderate | 19th | 1.8 of 5 | 0.26 |
| Hail | Relatively Low | 18th | 1.7 of 5 | 0.12 |
| Lightning | Very High | 17th | 1.7 of 5 | 36.9 |
| Tornado | Very Low | 1st | 1.0 of 5 | 0.27 |
| Ice storm | Relatively Moderate | 1st | 1.0 of 5 | 0.01 |
Perils not assessed in Mohave 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 "No Rating" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Mohave 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.