EDDYSTONE GENERATING STATION
OperatingCoal power plant
- Capacity
- 862 MW
- Primary fuel
- Coal
- County
- Delaware County
- Operator
- EXELON POWER
- Status
- Operating
- Commissioned
- 1967
- EIA plant ID
- 3161
- Generators
- 6
- Net generation (2024)
- 60.8 GWh
- Capacity factor (2024, EIA nameplate)
- 0.8%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 39.8593, -75.3242
EDDYSTONE GENERATING STATION, an 862 MW Coal power plant in Delaware County, Pennsylvania. Operated by EXELON POWER, commissioned 1967.
How EDDYSTONE GENERATING STATION compares
With 862 MW of capacity, EDDYSTONE GENERATING STATION ranks 15th among the 170 operating power plants Bywatts maps in Pennsylvania and 5th of the 20 operating Coal plants in the state. It accounts for about 8.2% of Pennsylvania's operating Coal capacity and 2.2% of all operating capacity in the state. Nationally it is the 120th-largest of the 324 operating Coal plants in the database. Commissioned in 1967, it is older than 88% of the 168 operating Pennsylvania plants with a recorded commissioning year. Its operator, EXELON POWER, runs 11 operating plants in Pennsylvania totaling 2,992 MW. It shares Delaware County with 4 other operating plants, including FPL ENERGY MARCUS HOOK LP and LIBERTY ELECTRIC POWER PLANT.
Under the same EIA plant code, EIA-860 lists 6 generators at the site with 862 MW of nameplate capacity. Net generation was 60.8 GWh in 2024 (a 0.8% capacity factor). Its generators came online between 1967 and 1976.
Grid neighborhood
The nearest named substation is EDDYSTONE (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 36 operating power plants totaling 5,168 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 9.9 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
EDDYSTONE GENERATING STATION is an 862 MW coal power plant in Delaware County, PA, operated by EXELON POWER, commissioned in 1967. Delaware County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.1 of 5 at the 4th national percentile. Earthquake is the leading peril, rated Relatively Moderate by FEMA at the 75th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Delaware County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Moderate | 75th | 4.0 of 5 | <0.01 |
| Hurricane | Relatively Moderate | 67th | 3.7 of 5 | 0.09 |
| Winter weather | Very High | 66th | 3.6 of 5 | 10.5 |
| Coastal flooding | Relatively Moderate | 50th | 3.0 of 5 | 3.7 |
| Strong wind | Relatively High | 38th | 2.5 of 5 | 6.9 |
| Ice storm | Relatively High | 35th | 2.4 of 5 | 1.4 |
| Tornado | Relatively High | 30th | 2.2 of 5 | 0.10 |
| Wildfire | Very Low | 24th | 2.0 of 5 | <0.01 |
| Lightning | Relatively High | 19th | 1.8 of 5 | 36.0 |
| Riverine flooding | Relatively High | 14th | 1.6 of 5 | 4.6 |
| Heat wave | Relatively High | 8th | 1.3 of 5 | 11.1 |
| Hail | Very Low | 4th | 1.2 of 5 | 2.5 |
Model hail, wind and flood exposure for Delaware 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.