SAND BLUFF WIND FARM
OperatingWind power plant
- Capacity
- 90 MW
- Primary fuel
- Wind
- County
- Glasscock County
- Operator
- E ON CLIMATE RENEWABLES N AMERICA LLC
- Status
- Operating
- Commissioned
- 2007
- EIA plant ID
- 56479
- Generators
- 1
- Technology
- Onshore Wind Turbine
- Net generation (2024)
- 318 GWh
- Capacity factor (2024, EIA nameplate)
- 40%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 31.9916, -101.3027
SAND BLUFF WIND FARM, a 90 MW Wind power plant in Glasscock County, Texas. Operated by E ON CLIMATE RENEWABLES N AMERICA LLC, commissioned 2007.
How SAND BLUFF WIND FARM compares
With 90 MW of capacity, SAND BLUFF WIND FARM ranks 188th among the 307 operating power plants Bywatts maps in Texas and 58th of the 94 operating Wind plants in the state. It accounts for about 0.8% of Texas's operating Wind capacity and under 0.1% of all operating capacity in the state. Nationally it is the 287th-largest of the 708 operating Wind plants in the database. Commissioned in 2007, it is newer than 64% of the 303 operating Texas plants with a recorded commissioning year. Its operator, E ON CLIMATE RENEWABLES N AMERICA LLC, runs 13 operating plants in Texas totaling 2,136 MW. It shares Glasscock County with 2 other operating plants, FOREST CREEK WIND FARM LLC and EC&R PANTHER CREEK WIND FARM II.
EIA-860 lists 1 generator at the site with 90 MW of nameplate capacity, all onshore wind turbine technology. Net generation was 318 GWh in 2024 (a 40% capacity factor).
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by ONCOR ELECTRIC DELIVERY CO., about 1.2 miles away. Another 8 operating power plants totaling 1,547 MW sit within 25 miles; the largest is CAPRICORN RIDGE WIND LLC (663 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
SAND BLUFF WIND FARM is a 90 MW wind power plant in Glasscock County, TX, operated by E ON CLIMATE RENEWABLES N AMERICA LLC, commissioned in 2007. Glasscock County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.5 of 5 at the 88th national percentile. Lightning is the leading peril, rated Very Low by FEMA at the 97th 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.
Glasscock County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Very Low | 97th | 4.9 of 5 | 46.4 |
| Strong wind | Very Low | 91st | 4.6 of 5 | 1.8 |
| Hail | Relatively Low | 90th | 4.6 of 5 | 4.3 |
| Wildfire | Very Low | 84th | 4.4 of 5 | <0.01 |
| Heat wave | Very Low | 60th | 3.4 of 5 | 5.4 |
| Winter weather | Very Low | 48th | 2.9 of 5 | 5.3 |
| Tornado | Very Low | 44th | 2.7 of 5 | 0.43 |
| Hurricane | Very Low | 34th | 2.4 of 5 | <0.01 |
| Riverine flooding | Very Low | 12th | 1.5 of 5 | 0.75 |
| Earthquake | Very Low | 11th | 1.4 of 5 | <0.01 |
| Ice storm | Very Low | 5th | 1.2 of 5 | 0.07 |
Perils not assessed in Glasscock 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 Glasscock 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.