SAN MIGUEL
OperatingCoal power plant
- Capacity
- 410 MW
- Primary fuel
- Coal
- County
- Atascosa County
- Operator
- SAN MIGUEL ELECTRIC COOP, INC
- Status
- Operating
- Commissioned
- 1982
- EIA plant ID
- 6183
- Coordinates
- 28.7044, -98.4775
SAN MIGUEL, a 410 MW Coal power plant in Atascosa County, Texas. Operated by SAN MIGUEL ELECTRIC COOP, INC, commissioned 1982.
Weather peril exposure
SAN MIGUEL is a 410 MW coal power plant in Atascosa County, TX, operated by SAN MIGUEL ELECTRIC COOP, INC, commissioned in 1982. Atascosa County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.8 of 5 at the 69th national percentile. Hail is the leading peril, rated Relatively Moderate by FEMA at the 76th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Atascosa County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hail | Relatively Moderate | 76th | 4.0 of 5 | 2.1 |
| Wildfire | Relatively Low | 67th | 3.7 of 5 | <0.01 |
| Hurricane | Relatively Low | 55th | 3.2 of 5 | 0.06 |
| Strong wind | Relatively Low | 51st | 3.1 of 5 | 0.76 |
| Heat wave | Relatively Moderate | 47th | 2.9 of 5 | 11.1 |
| Tornado | Relatively Moderate | 40th | 2.6 of 5 | 0.37 |
| Lightning | Relatively Moderate | 38th | 2.5 of 5 | 43.4 |
| Winter weather | Relatively Low | 28th | 2.1 of 5 | 1.6 |
| Riverine flooding | Relatively Low | 24th | 2.0 of 5 | 2.6 |
| Ice storm | Relatively Low | 8th | 1.3 of 5 | 0.16 |
| Earthquake | Very Low | 6th | 1.2 of 5 | <0.01 |
Perils not assessed in Atascosa 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 Atascosa 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.