SOUTHWESTERN
OperatingNatural Gas power plant
- Capacity
- 658 MW
- Primary fuel
- Natural Gas
- County
- Caddo County
- Operator
- PUBLIC SERVICE CO OF OKLAHOMA
- Status
- Operating
- Commissioned
- 1952
- EIA plant ID
- 2964
- Coordinates
- 35.1010, -98.3523
SOUTHWESTERN, a 658 MW Natural Gas power plant in Caddo County, Oklahoma. Operated by PUBLIC SERVICE CO OF OKLAHOMA, commissioned 1952.
Weather peril exposure
SOUTHWESTERN is a 658 MW natural gas power plant in Caddo County, OK, operated by PUBLIC SERVICE CO OF OKLAHOMA, commissioned in 1952. Caddo County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.8 of 5 at the 96th national percentile. Tornado is the leading peril, rated Relatively Moderate by FEMA at the 99th 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.
Caddo County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively Moderate | 99th | 5.0 of 5 | 1.4 |
| Ice storm | Relatively High | 96th | 4.8 of 5 | 1.3 |
| Hail | Relatively Moderate | 96th | 4.8 of 5 | 11.8 |
| Lightning | Relatively Low | 95th | 4.8 of 5 | 50.0 |
| Strong wind | Relatively Moderate | 93rd | 4.7 of 5 | 5.8 |
| Wildfire | Relatively Low | 85th | 4.4 of 5 | <0.01 |
| Heat wave | Relatively Low | 70th | 3.8 of 5 | 12.3 |
| Earthquake | Very Low | 67th | 3.7 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 60th | 3.4 of 5 | 9.3 |
| Riverine flooding | Relatively Low | 48th | 2.9 of 5 | 1.5 |
| Hurricane | Very Low | 34th | 2.4 of 5 | <0.01 |
Perils not assessed in Caddo 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 Caddo 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.