SWEENY COGEN FACILITY
OperatingNatural Gas power plant
- Capacity
- 572 MW
- Primary fuel
- Natural Gas
- County
- Brazoria County
- Operator
- SWEENY COGENERATION LP
- Status
- Operating
- Commissioned
- 1997
- EIA plant ID
- 55015
- Coordinates
- 29.0727, -95.7452
SWEENY COGEN FACILITY, a 572 MW Natural Gas power plant in Brazoria County, Texas. Operated by SWEENY COGENERATION LP, commissioned 1997.
Weather peril exposure
SWEENY COGEN FACILITY is a 572 MW natural gas power plant in Brazoria County, TX, operated by SWEENY COGENERATION LP, commissioned in 1997. Brazoria County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.8 of 5 at the 46th national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 91st 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.
Brazoria County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 91st | 4.6 of 5 | 0.22 |
| Riverine flooding | Relatively High | 74th | 4.0 of 5 | 1.9 |
| Wildfire | Relatively Low | 68th | 3.7 of 5 | <0.01 |
| Heat wave | Relatively Moderate | 52nd | 3.1 of 5 | 14.9 |
| Coastal flooding | Relatively Moderate | 45th | 2.8 of 5 | 3.7 |
| Tornado | Relatively High | 36th | 2.5 of 5 | 1.1 |
| Lightning | Relatively High | 28th | 2.1 of 5 | 70.0 |
| Strong wind | Relatively Moderate | 13th | 1.5 of 5 | 1.0 |
| Earthquake | Very Low | 13th | 1.5 of 5 | <0.01 |
| Hail | Relatively Low | 11th | 1.4 of 5 | 1.6 |
| Ice storm | Relatively High | 7th | 1.3 of 5 | 0.69 |
| Winter weather | Very Low | 7th | 1.3 of 5 | 0.89 |
Model hail, wind and flood exposure for Brazoria 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.