MONTEZUMA
OperatingOil power plant
- Capacity
- 10 MW
- Primary fuel
- Oil
- County
- Poweshiek County
- Operator
- CITY OF MONTEZUMA - (IA)
- Status
- Operating
- Commissioned
- 1940
- EIA plant ID
- 1165
- Coordinates
- 41.5860, -92.5228
MONTEZUMA, a 10 MW Oil power plant in Poweshiek County, Iowa. Operated by CITY OF MONTEZUMA - (IA), commissioned 1940.
Weather peril exposure
MONTEZUMA is a 10 MW oil power plant in Poweshiek County, IA, operated by CITY OF MONTEZUMA - (IA), commissioned in 1940. Poweshiek County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.7 of 5 at the 66th national percentile. Strong wind is the leading peril, rated Relatively Moderate by FEMA at the 95th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Poweshiek County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Relatively Moderate | 95th | 4.8 of 5 | 6.5 |
| Lightning | Very Low | 95th | 4.8 of 5 | 44.4 |
| Heat wave | Relatively Low | 95th | 4.8 of 5 | 6.1 |
| Tornado | Relatively Low | 91st | 4.7 of 5 | 0.57 |
| Hail | Relatively Moderate | 69th | 3.8 of 5 | 5.6 |
| Winter weather | Relatively Low | 65th | 3.6 of 5 | 13.9 |
| Ice storm | Relatively Low | 58th | 3.3 of 5 | 0.59 |
| Wildfire | Very Low | 52nd | 3.1 of 5 | <0.01 |
| Earthquake | Very Low | 24th | 2.0 of 5 | <0.01 |
| Riverine flooding | Very Low | 6th | 1.3 of 5 | 0.89 |
| Hurricane | Very Low | 6th | 1.2 of 5 | <0.01 |
Perils not assessed in Poweshiek 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 Poweshiek 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.