GRAYS FERRY COGENERATION
OperatingNatural Gas power plant
- Capacity
- 193 MW
- Primary fuel
- Natural Gas
- County
- Philadelphia County
- Operator
- GRAYS FERRY COGEN PARTNERSHIP
- Status
- Operating
- Commissioned
- 1997
- EIA plant ID
- 54785
- Generators
- 2
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 1,181 GWh
- Capacity factor (2024, EIA nameplate)
- 70%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 39.9422, -75.1877
GRAYS FERRY COGENERATION, a 193 MW Natural Gas power plant in Philadelphia County, Pennsylvania. Operated by GRAYS FERRY COGEN PARTNERSHIP, commissioned 1997.
How GRAYS FERRY COGENERATION compares
With 193 MW of capacity, GRAYS FERRY COGENERATION ranks 33rd among the 170 operating power plants Bywatts maps in Pennsylvania and 14th of the 28 operating Natural Gas plants in the state. It accounts for about 1.8% of Pennsylvania's operating Natural Gas capacity and 0.5% of all operating capacity in the state. Nationally it is the 546th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1997, it is older than 51% of the 168 operating Pennsylvania plants with a recorded commissioning year. It shares Philadelphia County with 7 other operating plants, including RICHMOND GENERATING STATION and DELAWARE GENERATING STATION.
EIA-860 lists 2 generators at the site with 193 MW of nameplate capacity, mainly natural gas fired combustion turbine technology. Net generation was 1,181 GWh in 2024 (a 70% capacity factor), up 2% from 2022.
Grid neighborhood
The nearest named substation is SCHUYLKILL (230 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by PECO ENERGY CO, under 0.1 miles away. Another 37 operating power plants totaling 6,271 MW sit within 25 miles; the largest is HAY ROAD (1,193 MW, Natural Gas). Within 50 miles are 4 mapped data centers; the nearest is Quonix Datacenter (2401 Locust St) in Philadelphia, about 0.7 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
GRAYS FERRY COGENERATION is a 193 MW natural gas power plant in Philadelphia County, PA, operated by GRAYS FERRY COGEN PARTNERSHIP, commissioned in 1997. Philadelphia County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 15th national percentile. Earthquake is the leading peril, rated Relatively High 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.
Philadelphia County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively High | 78th | 4.1 of 5 | <0.01 |
| Hurricane | Relatively High | 66th | 3.6 of 5 | 0.09 |
| Riverine flooding | Very High | 59th | 3.4 of 5 | 5.8 |
| Coastal flooding | Relatively High | 58th | 3.3 of 5 | 3.7 |
| Heat wave | Very High | 35th | 2.4 of 5 | 11.1 |
| Hail | Relatively High | 27th | 2.1 of 5 | 2.5 |
| Winter weather | Very High | 27th | 2.1 of 5 | 10.5 |
| Wildfire | Very Low | 26th | 2.1 of 5 | <0.01 |
| Ice storm | Relatively High | 26th | 2.0 of 5 | 1.4 |
| Tornado | Relatively High | 22nd | 1.9 of 5 | 0.07 |
| Strong wind | Relatively High | 7th | 1.3 of 5 | 7.0 |
| Lightning | Relatively High | 0th | 1.0 of 5 | 35.7 |
Model hail, wind and flood exposure for Philadelphia 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.