AMES ELECTRIC SERVICES POWER PLANT
OperatingCoal power plant
- Capacity
- 109 MW
- Primary fuel
- Coal
- County
- Story County
- Operator
- CITY OF AMES - (IA)
- Status
- Operating
- Commissioned
- 1968
- EIA plant ID
- 1122
- Generators
- 2
- Net generation (2024)
- 306 GWh
- Capacity factor (2024, EIA nameplate)
- 32%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 42.0253, -93.6086
AMES ELECTRIC SERVICES POWER PLANT, a 109 MW Coal power plant in Story County, Iowa. Operated by CITY OF AMES - (IA), commissioned 1968.
How AMES ELECTRIC SERVICES POWER PLANT compares
With 109 MW of capacity, AMES ELECTRIC SERVICES POWER PLANT ranks 38th among the 198 operating power plants Bywatts maps in Iowa and 12th of the 19 operating Coal plants in the state. It accounts for about 1.6% of Iowa's operating Coal capacity and 0.7% of all operating capacity in the state. Nationally it is the 230th-largest of the 324 operating Coal plants in the database. Commissioned in 1968, it is older than 78% of the 198 operating Iowa plants with a recorded commissioning year. Its operator, CITY OF AMES - (IA), runs 2 operating plants in Iowa totaling 188 MW. It shares Story County with 5 other operating plants, including FPL ENERGY STORY WIND LLC and AMES GT.
Under the same EIA plant code, EIA-860 lists 2 generators at the site with 109 MW of nameplate capacity. Net generation was 306 GWh in 2024 (a 32% capacity factor), down 5% from 2022. Its generators came online between 1968 and 1982.
Grid neighborhood
The closest transmission line found within 10 miles is a 161 kV line owned by CITY OF AMES - (IA), under 0.1 miles away. Another 9 operating power plants totaling 623 MW sit within 25 miles; the largest is SYCAMORE (158 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
AMES ELECTRIC SERVICES POWER PLANT is a 109 MW coal power plant in Story County, IA, operated by CITY OF AMES - (IA), commissioned in 1968. 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 a coal 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.