Hay Road — Plant Summary
- EIA Plant ID
- 7153
- Capacity
- 1098.2 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- New Castle, DE
- Operating Since
- 1989
- Generators
- 8
- Operator
- Calpine Mid-Atlantic Generation LLC
- Parent Company
- Constellation Energy
- Annual Generation
- 2,178,940 MWh
- Capacity Factor
- 22.6%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Hay Road
OperatingNatural Gas
Ranked #1 of 10 Natural Gas plants in DE#139 of 2009 nationally
1098.2 MW Natural Gas operating in New Castle, DE — PJM Interconnection, LLC
EIAWD
1,098.2 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combined Cycle
Technology
1989
Operating Since
Location
Coordinates
39.7436, -75.5072
County
New Castle, DE
Nearby Plants
- Edge MoorNatural Gas710.3 MW · 0.6 km
- DD Hay Road Solar 23 LLCSolar1.2 MW · 1.0 km
- ChristianaDistillate Oil55 MW · 3.0 km
Ownership & Operator
| 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 | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
200.8K MWh
Latest Month
2.2M MWh
Annual Generation
22.6%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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
News & Articles (10)Beta
General
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...
Inspenet·3 days ago
General
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...
Inspenet·3 days ago
Deals·m and a
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 Energy Corporation (seller)LS Power (buyer)
Power Engineering·1 weeks ago
General
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.
Power Engineering·1 weeks ago
Last updated 2026-03-26
View all 10 articles