MOUNTAIN WIND POWER II LLC
OperatingWind power plant
- Capacity
- 80 MW
- Primary fuel
- Wind
- County
- Uinta County
- Operator
- EDISON MISSION ENERGY
- Status
- Operating
- Commissioned
- 2008
- EIA plant ID
- 56753
- Generators
- 1
- Technology
- Onshore Wind Turbine
- Net generation (2024)
- 170 GWh
- Capacity factor (2024, EIA nameplate)
- 24%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 41.2706, -110.5455
MOUNTAIN WIND POWER II LLC, an 80 MW Wind power plant in Uinta County, Wyoming. Operated by EDISON MISSION ENERGY, commissioned 2008.
How MOUNTAIN WIND POWER II LLC compares
With 80 MW of capacity, MOUNTAIN WIND POWER II LLC ranks 20th among the 53 operating power plants Bywatts maps in Wyoming and 9th of the 14 operating Wind plants in the state. It accounts for about 6.2% of Wyoming's operating Wind capacity and 0.9% of all operating capacity in the state. Nationally it is the 302nd-largest of the 708 operating Wind plants in the database. Commissioned in 2008, it is newer than 67% of the 53 operating Wyoming plants with a recorded commissioning year. Its operator, EDISON MISSION ENERGY, runs 2 operating plants in Wyoming totaling 141 MW. It shares Uinta County with 2 other operating plants, WYOMING WIND ENERGY CENTER and MOUNTAIN WIND POWER LLC.
EIA-860 lists 1 generator at the site with 80 MW of nameplate capacity, all onshore wind turbine technology. Net generation was 170 GWh in 2024 (a 24% capacity factor), up 18% from 2022.
Grid neighborhood
The nearest named substation is RAILROAD, about 23.0 miles away; the closest transmission line found within 10 miles is a 138 kV line owned by PACIFICORP, under 0.1 miles away. Another 2 operating power plants totaling 205 MW sit within 25 miles; the largest is WYOMING WIND ENERGY CENTER (144 MW, Wind).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
MOUNTAIN WIND POWER II LLC is an 80 MW wind power plant in Uinta County, WY, operated by EDISON MISSION ENERGY, commissioned in 2008. Uinta County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.3 of 5 at the 8th national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 82nd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a wind plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Uinta County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 82nd | 4.3 of 5 | <0.01 |
| Wildfire | Relatively Low | 82nd | 4.3 of 5 | <0.01 |
| Winter weather | Relatively High | 78th | 4.1 of 5 | 21.5 |
| Riverine flooding | Very Low | 64th | 3.5 of 5 | 0.04 |
| Strong wind | Relatively Low | 30th | 2.2 of 5 | 0.31 |
| Hail | Very Low | 20th | 1.8 of 5 | 0.12 |
| Ice storm | Very Low | 18th | 1.7 of 5 | 0.01 |
| Lightning | Relatively Moderate | 15th | 1.6 of 5 | 39.9 |
| Tornado | Very Low | 12th | 1.5 of 5 | 0.08 |
Perils not assessed in Uinta 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 |
| Heat wave | FEMA rating is "No Rating" for this county |
Model hail, wind and flood exposure for Uinta 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.