WILKES
OperatingNatural Gas power plant
- Capacity
- 882 MW
- Primary fuel
- Natural Gas
- County
- Marion County
- Operator
- SOUTHWESTERN ELECTRIC POWER CO
- Status
- Operating
- Commissioned
- 1964
- EIA plant ID
- 3478
- Coordinates
- 32.8482, -94.5480
WILKES, an 882 MW Natural Gas power plant in Marion County, Texas. Operated by SOUTHWESTERN ELECTRIC POWER CO, commissioned 1964.
Weather peril exposure
WILKES is an 882 MW natural gas power plant in Marion County, TX, operated by SOUTHWESTERN ELECTRIC POWER CO, commissioned in 1964. Marion County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.6 of 5 at the 90th national percentile. Ice storm is the leading peril, rated Relatively High by FEMA at the 98th 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.
Marion County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Relatively High | 98th | 4.9 of 5 | 1.1 |
| Hail | Relatively Low | 91st | 4.6 of 5 | 5.7 |
| Strong wind | Relatively High | 89th | 4.6 of 5 | 6.3 |
| Heat wave | Relatively Low | 85th | 4.4 of 5 | 19.7 |
| Lightning | Relatively Low | 85th | 4.4 of 5 | 60.1 |
| Tornado | Relatively Low | 82nd | 4.3 of 5 | 0.37 |
| Winter weather | Relatively Low | 71st | 3.8 of 5 | 3.2 |
| Riverine flooding | Very Low | 62nd | 3.5 of 5 | 0.21 |
| Hurricane | Very Low | 61st | 3.4 of 5 | 0.02 |
| Wildfire | Very Low | 59th | 3.4 of 5 | <0.01 |
| Earthquake | Very Low | 43rd | 2.7 of 5 | <0.01 |
Perils not assessed in Marion 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 Marion 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.