York Energy Center — Plant Summary
- EIA Plant ID
- 55524
- Capacity
- 1449.4 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- York, PA
- Operating Since
- 2011
- Generators
- 7
- Operator
- Calpine Mid-Merit LLC
- Parent Company
- —
- Annual Generation
- 8,785,592 MWh
- Capacity Factor
- 69.2%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
York Energy Center
OperatingNatural Gas
Ranked #6 of 70 Natural Gas plants in PA#61 of 2009 nationally
1449.4 MW Natural Gas operating in York, PA — PJM Interconnection, LLC
EIAWD
1,449.4 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combined Cycle
Technology
2011
Operating Since
Location
Coordinates
39.7375, -76.3067
County
York, PA
Nearby Plants
- Peach BottomNuclear2876.4 MW · 4.0 km
- Muddy RunHydro1072 MW · 7.8 km
- HoltwoodHydro247.3 MW · 10.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Mid-Merit LLC | — | — |
| Owner(s) | Calpine Mid-Merit LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
York Energy Center is a 1449.4 MW natural gas-fired combined cycle power plant located in York County, Pennsylvania. The plant began operating in 2011 and consists of 7 generators. It is owned and operated by Calpine Mid-Merit LLC. York Energy Center is interconnected to the PJM Interconnection, LLC balancing authority and is within the RFC NERC region.
The plant's latest annual generation was 8,785,592 MWh, achieving a capacity factor of 69.2%. York Energy Center ranks as the 5th largest power plant out of 35 in Pennsylvania, and 66th out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
865.6K MWh
Latest Month
8.8M MWh
Annual Generation
69.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
DLTAPLNT
Pricing Hub
WESTERN HUB
Location Type
EHV
Node Source
EIA-860 direct report
News & Articles (10)Beta
General
Bethlehem power plant will change hands again to satisfy DOJ
BETHLEHEM, Pa.- A power plant in Bethlehem will soon be under new ownership again. Calpine Corporation's Bethlehem Energy Center is being...
WFMZ.com·2 days ago
General
Bethlehem power plant will change hands again to satisfy DOJ
BETHLEHEM, Pa.- A power plant in Bethlehem will soon be under new ownership again. Calpine Corporation's Bethlehem Energy Center is being...
WFMZ.com·2 days ago
General
Bethlehem power plant will change hands again to satisfy DOJ
BETHLEHEM, Pa.- A power plant in Bethlehem will soon be under new ownership again. Calpine Corporation's Bethlehem Energy Center is being...
WFMZ.com·2 days ago
General
Bethlehem power plant will change hands again to satisfy DOJ
BETHLEHEM, Pa.- A power plant in Bethlehem will soon be under new ownership again. Calpine Corporation's Bethlehem Energy Center is being...
WFMZ.com·2 days ago
Last updated 2026-03-26
View all 10 articles