COMANCHE PEAK
OperatingNuclear power plant
- Capacity
- 2,430 MW
- Primary fuel
- Nuclear
- County
- Somervell County
- Operator
- LUMINANT GENERATION COMPANY LLC
- Status
- Operating
- Commissioned
- 1990
- EIA plant ID
- 6145
- Coordinates
- 32.2984, -97.7855
COMANCHE PEAK, a 2,430 MW Nuclear power plant in Somervell County, Texas. Operated by LUMINANT GENERATION COMPANY LLC, commissioned 1990.
Weather peril exposure
COMANCHE PEAK is a 2,430 MW nuclear power plant in Somervell County, TX, operated by LUMINANT GENERATION COMPANY LLC, commissioned in 1990. Somervell County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.0 of 5 at the 75th national percentile. Lightning is the leading peril, rated Relatively Low by FEMA at the 91st percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a nuclear plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Somervell County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Low | 91st | 4.6 of 5 | 51.0 |
| Wildfire | Relatively Low | 85th | 4.4 of 5 | <0.01 |
| Tornado | Relatively Low | 83rd | 4.3 of 5 | 0.15 |
| Hail | Relatively Low | 78th | 4.1 of 5 | 7.3 |
| Ice storm | Relatively Low | 69th | 3.8 of 5 | 0.88 |
| Riverine flooding | Very Low | 69th | 3.8 of 5 | 0.64 |
| Heat wave | Very Low | 66th | 3.6 of 5 | 14.2 |
| Hurricane | Very Low | 58th | 3.3 of 5 | 0.02 |
| Winter weather | Very Low | 51st | 3.0 of 5 | 4.1 |
| Strong wind | Very Low | 46th | 2.8 of 5 | 2.9 |
| Earthquake | Very Low | 11th | 1.4 of 5 | <0.01 |
Perils not assessed in Somervell 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 Somervell 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.