GREGORY POWER FACILITY
OperatingNatural Gas power plant
- Capacity
- 432 MW
- Primary fuel
- Natural Gas
- County
- San Patricio County
- Operator
- DPS GREGORY LLC
- Status
- Operating
- Commissioned
- 2000
- EIA plant ID
- 55086
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 841 GWh
- Capacity factor (2024, EIA nameplate)
- 20%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 27.8889, -97.2583
GREGORY POWER FACILITY, a 432 MW Natural Gas power plant in San Patricio County, Texas. Operated by DPS GREGORY LLC, commissioned 2000.
How GREGORY POWER FACILITY compares
With 432 MW of capacity, GREGORY POWER FACILITY ranks 84th among the 307 operating power plants Bywatts maps in Texas and 69th of the 134 operating Natural Gas plants in the state. It accounts for about 0.6% of Texas's operating Natural Gas capacity and 0.4% of all operating capacity in the state. Nationally it is the 358th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2000, it is older than 52% of the 303 operating Texas plants with a recorded commissioning year. It shares San Patricio County with 3 other operating plants, including INGLESIDE COGENERATION and EC&R PAPALOTE CREEK II LLC.
EIA-860 lists 3 generators at the site with 470 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 841 GWh in 2024 (a 20% capacity factor), up 20% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by AEP TEXAS CENTRAL CO., under 0.1 miles away. Another 9 operating power plants totaling 3,452 MW sit within 25 miles; the largest is BARNEY M DAVIS (1,082 MW, Natural Gas).
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
GREGORY POWER FACILITY is a 432 MW natural gas power plant in San Patricio County, TX, operated by DPS GREGORY LLC, commissioned in 2000. San Patricio County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.9 of 5 at the 73rd national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 94th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
San Patricio County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 94th | 4.8 of 5 | 0.13 |
| Wildfire | Relatively Low | 56th | 3.3 of 5 | <0.01 |
| Heat wave | Relatively Moderate | 51st | 3.0 of 5 | 13.9 |
| Hail | Relatively Low | 50th | 3.0 of 5 | 1.1 |
| Coastal flooding | Relatively Low | 40th | 2.6 of 5 | 3.7 |
| Strong wind | Relatively Low | 40th | 2.6 of 5 | 0.87 |
| Tornado | Relatively Moderate | 34th | 2.4 of 5 | 0.28 |
| Riverine flooding | Relatively Moderate | 32nd | 2.3 of 5 | 2.5 |
| Lightning | Relatively Moderate | 31st | 2.2 of 5 | 47.0 |
| Ice storm | Relatively Low | 11th | 1.4 of 5 | 0.34 |
| Winter weather | Relatively Low | 7th | 1.3 of 5 | 0.81 |
| Earthquake | Very Low | 7th | 1.3 of 5 | <0.01 |
Model hail, wind and flood exposure for San Patricio 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.