861.6 MW Natural Gas Steam Turbine (782 MW) + Petroleum Liquids (80 MW) operating in Delaware, PA — PJM Interconnection, LLC
861.6 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Natural Gas Steam Turbine + Petroleum Liquids
1967
Operating Since
Coordinates
39.8580, -75.3230
County
Delaware, PA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Constellation Power, Inc | Constellation Power | — |
| Owner(s) | Constellation Power, Inc | Constellation Energy | — |
| Status | Operating | — | — |
Located in Delaware County, Pennsylvania, the Eddystone Generating Station is an 861.6 MW hybrid power plant primarily fueled by distillate fuel oil (DFO). The plant, which began operating in 1967, is owned by Constellation Energy and operated by Constellation Power, Inc. It comprises six generators utilizing both natural gas steam turbine and petroleum liquid technologies. Eddystone Generating Station operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region.
In the most recent year for which data is available, the plant generated 60,769 MWh of electricity, resulting in a capacity factor of 0.8%. Despite its relatively low capacity factor, Eddystone Generating Station holds a notable position within Pennsylvania's power generation landscape, ranking as the 3rd largest of 6 plants in the state and 12th largest of 60 plants nationally. The plant has been the subject of 10 news articles, with a focus on regulatory (8 articles) and industry (2 articles) related topics.
Generated from EIA, GEM, and public data sources
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
16 MWh
Latest Month
60.8K MWh
Annual Generation
0.8%
Capacity Factor
No financial data available for this plant.
Market Position
ISO/RTO Market
PJM
LMP Node
EDDYSTON20 KV UNIT03
Pricing Hub
WESTERN HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Constellation to sell 4.4GW of PJM assets to LS Power for $5B as part of Calpine acquisition
Constellation Energy Corporation will sell a portfolio of generation assets in PJM to LS Power for $5 billion, fulfilling DOJ requirements from its Calpine acquisition.
Constellation to Sell 4.4 GW of PJM Gas Power Assets to LS Power for $5B in Regulatory Divestiture
Competitive generation giant Constellation Energy has agreed to sell approximately 4.4 GW of natural gas–fired generation capacity in PJM Interconnection to LS Power Equity Advisors for $5 billion, marking the largest single tranche of divestitures required to resolve antitrust and market-power c...
Constellation to Sell 4.4 GW of PJM Gas Power Assets to LS Power for $5B in Regulatory Divestiture
Competitive generation giant Constellation Energy has agreed to sell approximately 4.4 GW of natural gas–fired generation capacity in PJM Interconnection to LS Power Equity Advisors for $5 billion, marking the largest single tranche of divestitures required to resolve antitrust and market-power c...
Constellation to sell 4.4GW of PJM assets to LS Power for $5B as part of Calpine acquisition
Constellation Energy Corporation will sell a portfolio of generation assets in PJM to LS Power for $5 billion, fulfilling DOJ requirements from its Calpine acquisition.
Last updated 2026-03-25
View all 10 articles