MARCUS HOOK REFINERY COGEN
Retired 2019Natural Gas power plant
- Capacity
- 51 MW
- Primary fuel
- Natural Gas
- County
- Delaware County
- Operator
- FPL ENERGY MH50 LP
- EIA plant ID
- 50074
- Coordinates
- 39.8103, -75.4280
MARCUS HOOK REFINERY COGEN, a retired 51 MW Natural Gas power plant in Delaware County, Pennsylvania. It was retired in 2019, according to EIA-860.
How MARCUS HOOK REFINERY COGEN compares
It was retired in 2019 according to EIA-860, so it is not counted in Pennsylvania's operating fleet. It shares Delaware County with 5 other operating plants, including EDDYSTONE GENERATING STATION and FPL ENERGY MARCUS HOOK LP.
Grid neighborhood
The nearest named substation is LINWOOD (230 kV), about 0.6 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by PECO ENERGY CO, about 0.2 miles away. Another 39 operating power plants totaling 9,622 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 7.6 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860 retirement records and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
MARCUS HOOK REFINERY COGEN is a retired 51 MW natural gas power plant in Delaware County, PA, formerly operated by FPL ENERGY MH50 LP. 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.