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2876.4 MW Nuclear operating in York, PA — PJM Interconnection, LLC
2,876.4 MW
Nameplate Capacity
2
Generators
units
Nuclear
Technology
1974
Operating Since
Coordinates
39.7589, -76.2687
County
York, PA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Constellation Nuclear | Exelon Generation | Exelon |
| Owner(s) | Constellation Nuclear, Public Service Elec & Gas Co | Exelon | — |
| Status | Operating | operating | — |
The Peach Bottom Atomic Power Station is an American nuclear power plant that is located 35 miles (56 km) northeast of Baltimore and 50 miles (80 km) southeast of Harrisburg in Peach Bottom Township, York County, Pennsylvania. Situated close to the Susquehanna River, it is three miles north of the Maryland border.
Read more on WikipediaPeach Bottom is a nuclear power plant located in York County, Pennsylvania. With a total capacity of 2876.4 MW across two generators, it is the largest nuclear plant in Pennsylvania (ranked 1 of 5) and the fourth-largest in the United States (ranked 4 of 55). The plant began operating in 1974 and is owned by Exelon, with Constellation Nuclear as the operator.
Peach Bottom operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the latest year of available data, the plant generated 21,944,008 MWh of electricity, achieving a capacity factor of 87.1%. The plant has been the subject of 10 news articles, with 8 focused on industry topics and 2 on regulatory matters.
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
2.0M MWh
Latest Month
21.9M MWh
Annual Generation
87.1%
Capacity Factor
No financial data available for this plant.
This is a small open-data project — if you have sources or want more coverage here, drop a note.
Market Position
ISO/RTO Market
PJM
LMP Node
20141102
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all 10 articlesNo ask pi reports yet for this entity.
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