TILTON
OperatingNatural Gas power plant
- Capacity
- 188 MW
- Primary fuel
- Natural Gas
- County
- Vermilion County
- Operator
- TILTON ENERGY LLC
- Status
- Operating
- Commissioned
- 1999
- EIA plant ID
- 7760
- Generators
- 4
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 69.3 GWh
- Capacity factor (2024, EIA nameplate)
- 4.2%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 40.1061, -87.6538
TILTON, a 188 MW Natural Gas power plant in Vermilion County, Illinois. Operated by TILTON ENERGY LLC, commissioned 1999.
How TILTON compares
With 188 MW of capacity, TILTON ranks 48th among the 158 operating power plants Bywatts maps in Illinois and 23rd of the 50 operating Natural Gas plants in the state. It accounts for about 1.3% of Illinois's operating Natural Gas capacity and 0.5% of all operating capacity in the state. Nationally it is the 550th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1999, it is newer than 47% of the 150 operating Illinois plants with a recorded commissioning year. It shares Vermilion County with one other operating plant, CALIFORNIA RIDGE WIND ENERGY LLC.
EIA-860 lists 4 generators at the site with 188 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 69.3 GWh in 2024 (a 4.2% 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 3 operating power plants totaling 2,094 MW sit within 25 miles; the largest is CAYUGA (1,193 MW, Coal).
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
TILTON is a 188 MW natural gas power plant in Vermilion County, IL, operated by TILTON ENERGY LLC, commissioned in 1999. Vermilion County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.4 of 5 at the 60th national percentile. Heat wave is the leading peril, rated Relatively Moderate by FEMA at the 89th 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.
Vermilion County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Moderate | 89th | 4.6 of 5 | 6.4 |
| Earthquake | Relatively Low | 80th | 4.2 of 5 | <0.01 |
| Strong wind | Relatively High | 77th | 4.1 of 5 | 4.1 |
| Tornado | Relatively Moderate | 72nd | 3.9 of 5 | 0.80 |
| Hail | Relatively Moderate | 67th | 3.7 of 5 | 2.8 |
| Winter weather | Relatively High | 48th | 2.9 of 5 | 9.6 |
| Riverine flooding | Relatively Moderate | 46th | 2.8 of 5 | 1.9 |
| Ice storm | Relatively Moderate | 30th | 2.2 of 5 | 0.99 |
| Hurricane | Very Low | 25th | 2.0 of 5 | 0.03 |
| Lightning | Relatively Moderate | 13th | 1.5 of 5 | 47.5 |
| Wildfire | Very Low | 11th | 1.4 of 5 | <0.01 |
Perils not assessed in Vermilion 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 Vermilion 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.