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1449.4 MW Natural Gas operating in York, PA
1,449.4 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combined Cycle
Technology
2011
Operating Since
Coordinates
39.7375, -76.3067
County
York, PA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Mid-Merit LLC | — | — |
| Owner(s) | Calpine Mid-Merit LLC | — | — |
| Status | Operating | — | — |
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
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
500.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
865.6K MWh
Latest Month
8.8M MWh
Annual Generation
69.2%
Capacity Factor
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CO₂ Intensity
903 lb/MWh
NOx
0.039 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
68.0%
Annual Net Gen
8631 GWh
CO₂eq
904 lb/MWh
Subregion
RFC East
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.4B
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
PJM
LMP Node
DLTAPLNT
Pricing Hub
WESTERN HUB
Location Type
EHV
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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