FPL ENERGY MARCUS HOOK LP
OperatingNatural Gas power plant
- Capacity
- 836 MW
- Primary fuel
- Natural Gas
- County
- Delaware County
- Operator
- FPL ENERGY MARCUS HOOK LP
- Status
- Operating
- Commissioned
- 2004
- EIA plant ID
- 55801
- Generators
- 4
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 6,599 GWh
- Capacity factor (2024, EIA nameplate)
- 90%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 39.8069, -75.4218
FPL ENERGY MARCUS HOOK LP, an 836 MW Natural Gas power plant in Delaware County, Pennsylvania. Operated by FPL ENERGY MARCUS HOOK LP, commissioned 2004.
How FPL ENERGY MARCUS HOOK LP compares
With 836 MW of capacity, FPL ENERGY MARCUS HOOK LP ranks 16th among the 170 operating power plants Bywatts maps in Pennsylvania and 4th of the 28 operating Natural Gas plants in the state. It accounts for about 7.8% of Pennsylvania's operating Natural Gas capacity and 2.1% of all operating capacity in the state. Nationally it is the 143rd-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2004, it is newer than 60% of the 168 operating Pennsylvania plants with a recorded commissioning year. It shares Delaware County with 4 other operating plants, including EDDYSTONE GENERATING STATION and LIBERTY ELECTRIC POWER PLANT.
EIA-860 lists 4 generators at the site with 836 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 6,599 GWh in 2024 (a 90% capacity factor), up 21% from 2022.
Grid neighborhood
The nearest named substation is LINWOOD (230 kV), about 1.0 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 38 operating power plants totaling 8,785 MW sit within 25 miles; the largest is PSEG SALEM GENERATING STATION (2,382 MW, Nuclear). Within 50 miles are 4 mapped data centers; the nearest is IPR Wilmington CCC in Wilmington, about 7.8 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
FPL ENERGY MARCUS HOOK LP is an 836 MW natural gas power plant in Delaware County, PA, operated by FPL ENERGY MARCUS HOOK LP, commissioned in 2004. 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 natural gas 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.