AMES DIESEL GENERATING STATION
OperatingPower plant
- County
- Story County
- Operator
- INTERSTATE POWER AND LIGHT CO
- Status
- Operating
- EIA plant ID
- 1052
- Coordinates
- 42.0133, -93.5754
AMES DIESEL GENERATING STATION, a power plant in Story County, Iowa. Operated by INTERSTATE POWER AND LIGHT CO.
Weather peril exposure
AMES DIESEL GENERATING STATION is a power plant in Story County, IA, operated by INTERSTATE POWER AND LIGHT CO. Story County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.7 of 5 at the 42nd national percentile. Tornado is the leading peril, rated Relatively High by FEMA at the 97th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to this plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Story County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively High | 97th | 4.9 of 5 | 0.59 |
| Heat wave | Very Low | 92nd | 4.7 of 5 | 5.4 |
| Lightning | Relatively Low | 77th | 4.1 of 5 | 42.9 |
| Winter weather | Relatively High | 58th | 3.3 of 5 | 15.9 |
| Strong wind | Relatively Moderate | 56th | 3.3 of 5 | 6.1 |
| Ice storm | Relatively Moderate | 53rd | 3.1 of 5 | 0.68 |
| Hail | Relatively Moderate | 49th | 2.9 of 5 | 6.2 |
| Riverine flooding | Relatively Low | 34th | 2.4 of 5 | 2.7 |
| Wildfire | Very Low | 19th | 1.7 of 5 | <0.01 |
| Earthquake | Very Low | 17th | 1.7 of 5 | <0.01 |
| Hurricane | Very Low | 3rd | 1.1 of 5 | 0.01 |
Perils not assessed in Story 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 Story 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.