OperationalUnited States
LaSalle-1
LaSalle County Nuclear Generating Station, located in Brookfield Township, LaSalle County, Illinois, near Marseilles, 11 miles (18 km) southeast of Ottawa, serves Chicago and Northern Illinois with electricity. The plant is owned and operated by Constellation Energy following separation from Exelon Corporation in 2022.

Technical Specifications
- Capacity
- 1078 MW
- Reactor Type
- BWR
- Model
- BWR-5 (Mark 2)
- IAEA ID
- 692
Timeline
- Construction Started
- September 10, 1973
- Operational From
- January 1, 1984
- Current Status
- Operational
Location
- Country
- United States
- Region
- Illinois
- Coordinates
- 41.2460°, -88.6720°
Operator & Owner
- Operator
- Exelon
Data source: WNA/IAEA • Last verified against IAEA PRIS database