OTTUMWA
OperatingCoal power plant
- Capacity
- 726 MW
- Primary fuel
- Coal
- County
- Wapello County
- Operator
- INTERSTATE POWER AND LIGHT CO
- Status
- Operating
- Commissioned
- 1981
- EIA plant ID
- 6254
- Coordinates
- 41.0963, -92.5553
OTTUMWA, a 726 MW Coal power plant in Wapello County, Iowa. Operated by INTERSTATE POWER AND LIGHT CO, commissioned 1981.
Weather peril exposure
OTTUMWA is a 726 MW coal power plant in Wapello County, IA, operated by INTERSTATE POWER AND LIGHT CO, commissioned in 1981. Wapello County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.9 of 5 at the 48th national percentile. Heat wave is the leading peril, rated Relatively Low by FEMA at the 92nd 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.
Wapello County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Low | 92nd | 4.7 of 5 | 7.5 |
| Riverine flooding | Relatively Low | 88th | 4.5 of 5 | 3.3 |
| Strong wind | Relatively Moderate | 67th | 3.7 of 5 | 4.9 |
| Lightning | Relatively Low | 63rd | 3.5 of 5 | 45.2 |
| Hail | Relatively Low | 58th | 3.3 of 5 | 4.2 |
| Winter weather | Relatively Low | 56th | 3.3 of 5 | 11.4 |
| Tornado | Relatively Moderate | 52nd | 3.1 of 5 | 0.31 |
| Wildfire | Very Low | 49th | 3.0 of 5 | <0.01 |
| Ice storm | Relatively Low | 40th | 2.6 of 5 | 0.42 |
| Earthquake | Very Low | 32nd | 2.3 of 5 | <0.01 |
| Hurricane | Very Low | 6th | 1.2 of 5 | <0.01 |
Perils not assessed in Wapello 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 Wapello 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.