GIBSON CITY
OperatingNatural Gas power plant
- Capacity
- 270 MW
- Primary fuel
- Natural Gas
- County
- Ford County
- Operator
- AMEREN ENERGY GENERATING CO
- Status
- Operating
- Commissioned
- 2000
- EIA plant ID
- 55201
- Generators
- 2
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 109 GWh
- Capacity factor (2024, EIA nameplate)
- 4.6%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 40.4709, -88.3987
GIBSON CITY, a 270 MW Natural Gas power plant in Ford County, Illinois. Operated by AMEREN ENERGY GENERATING CO, commissioned 2000.
How GIBSON CITY compares
With 270 MW of capacity, GIBSON CITY ranks 36th among the 158 operating power plants Bywatts maps in Illinois and 21st of the 50 operating Natural Gas plants in the state. It accounts for about 1.8% of Illinois's operating Natural Gas capacity and 0.7% of all operating capacity in the state. Nationally it is the 487th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2000, it is newer than 51% of the 150 operating Illinois plants with a recorded commissioning year. Its operator, AMEREN ENERGY GENERATING CO, runs 3 operating plants in Illinois totaling 2,045 MW.
EIA-860 lists 2 generators at the site with 270 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 109 GWh in 2024 (a 4.6% capacity factor).
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by AMEREN ILLINOIS COMPANY, under 0.1 miles away. Another 5 operating power plants totaling 586 MW sit within 25 miles; the largest is HIGH TRAIL WIND FARM LLC (198 MW, Wind).
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
GIBSON CITY is a 270 MW natural gas power plant in Ford County, IL, operated by AMEREN ENERGY GENERATING CO, commissioned in 2000. Ford County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.3 of 5 at the 57th national percentile. Heat wave is the leading peril, rated Very Low by FEMA at the 86th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Ford County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Very Low | 86th | 4.4 of 5 | 4.8 |
| Earthquake | Relatively Low | 76th | 4.0 of 5 | <0.01 |
| Tornado | Relatively Low | 73rd | 3.9 of 5 | 0.48 |
| Hail | Relatively Low | 65th | 3.6 of 5 | 3.0 |
| Strong wind | Relatively Low | 65th | 3.6 of 5 | 4.5 |
| Riverine flooding | Relatively Low | 53rd | 3.1 of 5 | 1.1 |
| Winter weather | Very Low | 45th | 2.8 of 5 | 10.1 |
| Ice storm | Very Low | 33rd | 2.3 of 5 | 1.0 |
| Lightning | Very Low | 17th | 1.7 of 5 | 46.2 |
| Hurricane | Very Low | 7th | 1.3 of 5 | <0.01 |
| Wildfire | Very Low | 5th | 1.2 of 5 | <0.01 |
Perils not assessed in Ford 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 Ford 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.