Power plants in Delaware County, Pennsylvania

5 operating power plants in Delaware County, Pennsylvania, with 2,471 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

5

Nameplate capacity

2,471 MW

Net generation, 2025

10.3 TWh

Largest power plants in Delaware County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Eddystone Generating StationNatural gas86237.40.5%Constellation Power, Inc
2Marcus Hook Energy LPNatural gas8365,61776.7%Marcus Hook Energy LP
3Liberty Electric Power PlantNatural gas6143,93273.1%Liberty Electric Power LLC
4Covanta Delaware ValleyMunicipal solid waste9054969.7%Covanta Delaware Valley LP
5Chester OperationsNatural gas6917528.9%Kimberly-Clark Corp

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for Pennsylvania

Other counties in Pennsylvania