KING MOUNTAIN WIND RANCH 1
OperatingWind power plant
- Capacity
- 278 MW
- Primary fuel
- Wind
- County
- Upton County
- Operator
- FPL ENERGY UPTON WIND LP
- Status
- Operating
- Commissioned
- 2001
- EIA plant ID
- 55581
- Generators
- 1
- Technology
- Onshore Wind Turbine
- Net generation (2024)
- 548 GWh
- Capacity factor (2024, EIA nameplate)
- 22%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 31.2089, -102.2415
KING MOUNTAIN WIND RANCH 1, a 278 MW Wind power plant in Upton County, Texas. Operated by FPL ENERGY UPTON WIND LP, commissioned 2001.
How KING MOUNTAIN WIND RANCH 1 compares
With 278 MW of capacity, KING MOUNTAIN WIND RANCH 1 ranks 99th among the 307 operating power plants Bywatts maps in Texas and 4th of the 94 operating Wind plants in the state. It accounts for about 2.4% of Texas's operating Wind capacity and 0.3% of all operating capacity in the state. Nationally it is the 19th-largest of the 708 operating Wind plants in the database. Commissioned in 2001, it is newer than 47% of the 303 operating Texas plants with a recorded commissioning year.
EIA-860 lists 1 generator at the site with 278 MW of nameplate capacity, all onshore wind turbine technology. Net generation was 548 GWh in 2024 (a 22% capacity factor), down 11% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by AEP TEXAS NORTH CO., about 2.3 miles away. Another 3 operating power plants totaling 321 MW sit within 25 miles; the largest is DESERT SKY (161 MW, Wind).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
KING MOUNTAIN WIND RANCH 1 is a 278 MW wind power plant in Upton County, TX, operated by FPL ENERGY UPTON WIND LP, commissioned in 2001. Upton County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.2 of 5 at the 80th national percentile. Hail is the leading peril, rated Relatively Low by FEMA at the 84th 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.
Upton County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hail | Relatively Low | 84th | 4.4 of 5 | 3.3 |
| Lightning | Very Low | 77th | 4.1 of 5 | 43.1 |
| Strong wind | Very Low | 65th | 3.6 of 5 | 1.2 |
| Wildfire | Very Low | 53rd | 3.1 of 5 | <0.01 |
| Winter weather | Very Low | 44th | 2.8 of 5 | 4.8 |
| Heat wave | Very Low | 36th | 2.4 of 5 | 5.5 |
| Tornado | Very Low | 35th | 2.4 of 5 | 0.40 |
| Hurricane | Very Low | 30th | 2.2 of 5 | <0.01 |
| Riverine flooding | Very Low | 20th | 1.8 of 5 | 1.0 |
| Earthquake | Very Low | 14th | 1.5 of 5 | <0.01 |
| Ice storm | Very Low | 5th | 1.2 of 5 | 0.11 |
Perils not assessed in Upton 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 |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Upton 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.