Marcus Hook Energy LP
Marcus Hook Energy LP is a 836 MW natural gas power plant in Delaware County, Pennsylvania, operated by Marcus Hook Energy LP. EIA-860M lists 4 generating units here, inside PJM. Its units entered service in 2004.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 836.1 MW
- 877 MW net summer
- Generating units
- 4
- In service
- 2004
- EIA plant ID
- 55801
Where it is
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- County
- Delaware County, Pennsylvania
- Coordinates
- 39.807, -75.4216
- Balancing authority
- PJM
- Sector
- IPP CHP
Units, technology and status
- Operator of record
- Marcus Hook Energy LP
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combined Cycle
- Status
- Operating
Marcus Hook Energy LP: FAQ
- Where is Marcus Hook Energy LP?
- In Delaware County, Pennsylvania (PA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Marcus Hook Energy LP?
- 836 MW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
- Who owns Marcus Hook Energy LP?
- EIA-860M names Marcus Hook Energy LP as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Marcus Hook Energy LP still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.