GILLIAM SOUTH
OperatingOil power plant
- Capacity
- 4 MW
- Primary fuel
- Oil
- County
- Adair County
- Operator
- CITY OF STUART - (IA)
- Status
- Operating
- Commissioned
- 2001
- EIA plant ID
- 7857
- Coordinates
- 41.4964, -94.3274
GILLIAM SOUTH, a 4 MW Oil power plant in Adair County, Iowa. Operated by CITY OF STUART - (IA), commissioned 2001.
Weather peril exposure
GILLIAM SOUTH is a 4 MW oil power plant in Adair County, IA, operated by CITY OF STUART - (IA), commissioned in 2001. Adair County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.7 of 5 at the 91st national percentile. Tornado is the leading peril, rated Relatively Low by FEMA at the 99th 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.
Adair County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively Low | 99th | 4.9 of 5 | 0.52 |
| Heat wave | Relatively Low | 98th | 4.9 of 5 | 7.3 |
| Hail | Relatively Moderate | 92nd | 4.7 of 5 | 6.2 |
| Strong wind | Relatively Moderate | 90th | 4.6 of 5 | 5.3 |
| Winter weather | Relatively Low | 76th | 4.1 of 5 | 12.9 |
| Ice storm | Relatively Low | 69th | 3.7 of 5 | 0.73 |
| Lightning | Very Low | 55th | 3.2 of 5 | 45.3 |
| Wildfire | Very Low | 47th | 2.9 of 5 | <0.01 |
| Riverine flooding | Very Low | 37th | 2.5 of 5 | 1.3 |
| Earthquake | Very Low | 14th | 1.5 of 5 | <0.01 |
| Hurricane | Very Low | 11th | 1.4 of 5 | 0.01 |
Perils not assessed in Adair 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 Adair 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.