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2449.8 MW Nuclear operating in Will, IL — PJM Interconnection, LLC
2,449.8 MW
Nameplate Capacity
2
Generators
units
Nuclear
Technology
1988
Operating Since
Coordinates
41.2435, -88.2286
County
Will, IL
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 | Exelon | — |
| Status | Operating | operating | — |
Braidwood Generating Station is located in Will County in northeastern Illinois, U.S. The nuclear power plant serves Chicago and northern Illinois with electricity. The plant was originally built by Commonwealth Edison company, and subsequently transferred to Com Ed's parent company, Exelon Corporation. Following Exelon's spin-off of their Generation company, the station was transferred to Constellation Energy.
Read more on WikipediaBraidwood Generation Station is a nuclear power plant located in Will County, Illinois. The plant has a total capacity of 2449.8 MW across two nuclear reactors. It began operating in 1988 and is owned by Exelon, with Constellation Nuclear as the operator. Braidwood is the largest nuclear plant in Illinois out of six total, and the ninth-largest in the United States out of 55.
The plant's latest annual generation was 20,165,374 MWh, achieving a capacity factor of 94.0%. Braidwood operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
1.8M MWh
Latest Month
20.2M MWh
Annual Generation
94.0%
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
86031201
Pricing Hub
N ILLINOIS HUB
Node Source
EIA-860 direct report
Last updated 2026-04-09
View all 5 articlesNo ask pi reports yet for this entity.
ask pi about Braidwood Generation StationPJM Interconnection, LLC (PJM)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP