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883.3 MW Nuclear operating in Oswego, NY — New York Independent System Operator
883.3 MW
Nameplate Capacity
1
Generators
unit
Nuclear
Technology
1976
Operating Since
Coordinates
43.5214, -76.4084
County
Oswego, NY
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 | Entergy |
| Owner(s) | Constellation Nuclear | Exelon | — |
| Status | Operating | operating | — |
The James A. FitzPatrick (JAF) Nuclear Power Plant is located in the Town of Scriba, near Oswego, New York, on the southeast shore of Lake Ontario. The nuclear power plant has one General Electric boiling water reactor. The 900-acre (360 ha) site is also the location of two other units at the Nine Mile Point Nuclear Generating Station.
Read more on WikipediaThe James A. FitzPatrick Nuclear Power Plant is located in Oswego County, New York. The plant has a total capacity of 883.3 MW and utilizes a single nuclear reactor. It began operating in 1976. The plant is owned by Exelon and operated by Constellation Nuclear. It ranks as the second-largest nuclear power plant in New York State (out of three) and 49th nationally (out of 55).
In the most recent year with available data, the James A. FitzPatrick plant generated 7,409,206 MWh of electricity, achieving a capacity factor of 95.8%. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
635.2K MWh
Latest Month
7.4M MWh
Annual Generation
95.8%
Capacity Factor
Point of Interconnection
Nearest Substation
FITZPATRICK____
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
23598
Pricing Hub
NYISO Zone C
Node Source
EIA-860 direct report
Last updated 2026-04-19
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ask pi about James A FitzpatrickNew York Independent System Operator (NYIS)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP