ROLLING HILLS GENERATING
OperatingNatural Gas power plant
- Capacity
- 978 MW
- Primary fuel
- Natural Gas
- County
- Vinton County
- Operator
- ROLLING HILLS GENERATING LLC
- Status
- Operating
- Commissioned
- 2003
- EIA plant ID
- 55401
- Generators
- 5
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 2,202 GWh
- Capacity factor (2024, EIA nameplate)
- 26%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 39.0849, -82.3321
ROLLING HILLS GENERATING, a 978 MW Natural Gas power plant in Vinton County, Ohio. Operated by ROLLING HILLS GENERATING LLC, commissioned 2003.
How ROLLING HILLS GENERATING compares
With 978 MW of capacity, ROLLING HILLS GENERATING ranks 7th among the 102 operating power plants Bywatts maps in Ohio and 2nd of the 25 operating Natural Gas plants in the state. It accounts for about 10% of Ohio's operating Natural Gas capacity and 4.5% of all operating capacity in the state. Nationally it is the 97th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2003, it is newer than 64% of the 99 operating Ohio plants with a recorded commissioning year.
EIA-860 lists 5 generators at the site with 978 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 2,202 GWh in 2024 (a 26% capacity factor), up 57% from 2022.
Grid neighborhood
The nearest named substation is FLATLICK (765 kV), under 0.1 miles away; the closest transmission line found within 10 miles is a 765 kV line owned by OHIO POWER CO, under 0.1 miles away. Another 3 operating power plants totaling 4,987 MW sit within 25 miles; the largest is GENERAL JAMES M GAVIN (2,600 MW, Coal).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
ROLLING HILLS GENERATING is a 978 MW natural gas power plant in Vinton County, OH, operated by ROLLING HILLS GENERATING LLC, commissioned in 2003. Vinton County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.5 of 5 at the 37th national percentile. Riverine flooding is the leading peril, rated Very Low by FEMA at the 78th 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.
Vinton County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Riverine flooding | Very Low | 78th | 4.1 of 5 | 2.4 |
| Ice storm | Relatively Low | 74th | 4.0 of 5 | 0.85 |
| Heat wave | Relatively Low | 59th | 3.4 of 5 | 3.4 |
| Hail | Very Low | 50th | 3.0 of 5 | 2.9 |
| Winter weather | Very Low | 46th | 2.9 of 5 | 8.3 |
| Hurricane | Very Low | 44th | 2.7 of 5 | 0.01 |
| Strong wind | Very Low | 40th | 2.6 of 5 | 1.3 |
| Tornado | Very Low | 37th | 2.5 of 5 | 0.15 |
| Earthquake | Very Low | 34th | 2.4 of 5 | <0.01 |
| Lightning | Relatively Low | 23rd | 1.9 of 5 | 46.2 |
| Wildfire | Very Low | 18th | 1.7 of 5 | <0.01 |
Perils not assessed in Vinton 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 Vinton 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.