1098.2 MW Natural Gas operating in New Castle, DE — PJM Interconnection, LLC
1,098.2 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combined Cycle
Technology
1989
Operating Since
Coordinates
39.7436, -75.5072
County
New Castle, DE
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Mid-Atlantic Generation LLC | Calpine Mid-Atlantic Generation | — |
| Owner(s) | Calpine Mid-Atlantic Generation LLC | Constellation Energy | — |
| Status | Operating | — | — |
The Hay Road power plant is located in New Castle County, Delaware. It is the largest of four power plants in the state and ranks 143rd nationally out of 945 plants. The plant has a total capacity of 1098.2 MW across eight generators and is owned by Constellation Energy. Calpine Mid-Atlantic Generation LLC is the listed operator per EIA data. The plant began operating in 1989, utilizing natural gas-fired combined cycle technology as its primary fuel source.
Hay Road operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. The plant's latest annual generation was 2,178,940 MWh, resulting in a capacity factor of 22.6%.
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
200.8K MWh
Latest Month
2.2M MWh
Annual Generation
22.6%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Hay Road
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
50892
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Constellation to Sell Energy Assets in PJM to LS Power for $5B
Constellation Energy Corporation announced an agreement with LS Power to sell a portfolio of power generation assets in the PJM region...
Constellation to Sell Energy Assets in PJM to LS Power for $5B
Constellation Energy Corporation announced an agreement with LS Power to sell a portfolio of power generation assets in the PJM region...
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 4.4GW 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 2026-03-26
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