KNOX LEE
OperatingNatural Gas power plant
- Capacity
- 501 MW
- Primary fuel
- Natural Gas
- County
- Gregg County
- Operator
- SOUTHWESTERN ELECTRIC POWER CO
- Status
- Operating
- Commissioned
- 1974
- EIA plant ID
- 3476
- Coordinates
- 32.3768, -94.6415
KNOX LEE, a 501 MW Natural Gas power plant in Gregg County, Texas. Operated by SOUTHWESTERN ELECTRIC POWER CO, commissioned 1974.
Weather peril exposure
KNOX LEE is a 501 MW natural gas power plant in Gregg County, TX, operated by SOUTHWESTERN ELECTRIC POWER CO, commissioned in 1974. Gregg County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.2 of 5 at the 79th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 92nd 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.
Gregg County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 92nd | 4.7 of 5 | 0.98 |
| Hail | Relatively High | 82nd | 4.3 of 5 | 5.4 |
| Lightning | Relatively Moderate | 79th | 4.2 of 5 | 60.9 |
| Tornado | Relatively High | 78th | 4.1 of 5 | 0.25 |
| Winter weather | Relatively Moderate | 74th | 3.9 of 5 | 3.2 |
| Heat wave | Relatively Moderate | 71st | 3.8 of 5 | 19.4 |
| Hurricane | Relatively Low | 60th | 3.4 of 5 | 0.03 |
| Wildfire | Very Low | 51st | 3.0 of 5 | <0.01 |
| Strong wind | Relatively High | 37th | 2.5 of 5 | 6.0 |
| Earthquake | Relatively Low | 33rd | 2.3 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 12th | 1.5 of 5 | 1.8 |
Perils not assessed in Gregg 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 Gregg 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.