ROCKY ROAD POWER LLC
OperatingNatural Gas power plant
- Capacity
- 416 MW
- Primary fuel
- Natural Gas
- County
- Kane County
- Operator
- ROCKY ROAD POWER LLC
- Status
- Operating
- Commissioned
- 1999
- EIA plant ID
- 55109
- Generators
- 4
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 12.4 GWh
- Capacity factor (2024, EIA nameplate)
- 0.3%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 42.0938, -88.2394
ROCKY ROAD POWER LLC, a 416 MW Natural Gas power plant in Kane County, Illinois. Operated by ROCKY ROAD POWER LLC, commissioned 1999.
How ROCKY ROAD POWER LLC compares
With 416 MW of capacity, ROCKY ROAD POWER LLC ranks 27th among the 158 operating power plants Bywatts maps in Illinois and 15th of the 50 operating Natural Gas plants in the state. It accounts for about 2.8% of Illinois's operating Natural Gas capacity and 1.0% of all operating capacity in the state. Nationally it is the 369th-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 Kane County with 7 other operating plants, including GENEVA GENERATION FACILITY and HOFFER PLASTICS.
EIA-860 lists 4 generators at the site with 416 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 12.4 GWh in 2024 (a 0.3% capacity factor). Its generators came online between 1999 and 2000.
Grid neighborhood
The nearest named substation is TOLLWAY (345 kV), about 2.1 miles away; the closest transmission line found within 10 miles is a 138 kV line owned by COMMONWEALTH EDISON CO, under 0.1 miles away. Another 13 operating power plants totaling 1,900 MW sit within 25 miles; the largest is AURORA (1,275 MW, Natural Gas). Within 50 miles are 9 mapped data centers; the nearest is Digital Realty CHI (2200 Busse Rd.) in Elk Grove Village, about 15.8 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
ROCKY ROAD POWER LLC is a 416 MW natural gas power plant in Kane County, IL, operated by ROCKY ROAD POWER LLC, commissioned in 1999. Kane County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.4 of 5 at the 9th national percentile. Heat wave is the leading peril, rated Relatively Moderate by FEMA at the 82nd 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.
Kane County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Moderate | 82nd | 4.3 of 5 | 3.2 |
| Tornado | Relatively High | 64th | 3.5 of 5 | 0.42 |
| Lightning | Relatively High | 51st | 3.1 of 5 | 42.3 |
| Earthquake | Relatively Low | 47th | 2.9 of 5 | <0.01 |
| Riverine flooding | Relatively High | 46th | 2.9 of 5 | 1.8 |
| Wildfire | Very Low | 21st | 1.8 of 5 | <0.01 |
| Hail | Relatively Low | 19th | 1.8 of 5 | 4.7 |
| Ice storm | Relatively Moderate | 16th | 1.7 of 5 | 0.54 |
| Strong wind | Relatively Moderate | 6th | 1.3 of 5 | 6.7 |
| Winter weather | Relatively Moderate | 5th | 1.2 of 5 | 14.3 |
| Hurricane | Very Low | 1st | 1.0 of 5 | <0.01 |
Perils not assessed in Kane 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 Kane 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.