LaSalle Generating Station
Nuclear power plant in LaSalle County, Illinois. 2,340 MW of nameplate capacity across 2 generators, operated by Constellation Nuclear.
Also known as EIA plant 6026
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2,340 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- January 1984First generator online
- Operator
- Constellation NuclearEIA operator ID 55951
- Grid
- PJMBalancing authority PJM
- Price nodes
- 2 PJM nodesResource nodes with prices
- Location
- LaSalle County, IL41.2455, −88.6691
- EIA plant ID
- 6026EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power LaSalle produces
Free · EIA-923Net generation, 2025
18.9 TWh
18,873,952 MWh, final
Capacity factor, 2025
92.1%
2024: 94.9%
January to July 2026
10.7 TWh
Provisional
Range, 2015 to 2025
18.5–19.7
TWh a year. Low 2021, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 18,785,839 | Not reported | 12 of 12 |
| 2001 | 19,142,014 | Not reported | 12 of 12 |
| 2002 | 17,923,184 | Not reported | 12 of 12 |
| 2003 | 18,415,979 | Not reported | 12 of 12 |
| 2004 | 18,991,960 | Not reported | 12 of 12 |
| 2005 | 18,713,658 | Not reported | 12 of 12 |
| 2006 | 19,107,811 | Not reported | 12 of 12 |
| 2007 | 18,980,136 | Not reported | 12 of 12 |
| 2008 | 18,848,564 | Not reported | 12 of 12 |
| 2009 | 18,808,748 | Not reported | 12 of 12 |
| 2010 | 19,132,568 | 93.3% | 12 of 12 |
| 2011 | 19,256,360 | 93.9% | 12 of 12 |
| 2012 | 19,594,999 | 95.3% | 12 of 12 |
| 2013 | 18,760,161 | 91.5% | 12 of 12 |
| 2014 | 18,754,699 | 91.5% | 12 of 12 |
| 2015 | 18,686,369 | 91.2% | 12 of 12 |
| 2016 | 19,144,080 | 93.1% | 12 of 12 |
| 2017 | 18,908,459 | 92.2% | 12 of 12 |
| 2018 | 19,345,766 | 94.4% | 12 of 12 |
| 2019 | 19,435,255 | 94.8% | 12 of 12 |
| 2020 | 19,695,684 | 95.8% | 12 of 12 |
| 2021 | 18,504,745 | 90.3% | 12 of 12 |
| 2022 | 19,216,976 | 93.7% | 12 of 12 |
| 2023 | 19,444,476 | 94.9% | 12 of 12 |
| 2024 | 19,507,838 | 94.9% | 12 of 12 |
| 2025 | 18,873,952 | 92.1% | 12 of 12 |
| 2026 (provisional, partial year) | 10,727,562 | 90.1% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
589,443
million gallons
Consumption, 2024
13,635
million gallons
Source
Illinois River Cooling Lake
Surface, Fresh. Recirculating with cooling pond
Watershed stress
Very low/none · 0.187
USGS SUI, HUC12 South Kickapoo Creek-Illinois River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Nuclear | 1,170.0 | January 1984 |
| 2 | Nuclear | 1,170.0 | October 1984 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Constellation Nuclear as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near LaSalle
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Questions about LaSalle
How much power does LaSalle Generating Station produce?
LaSalle Generating Station reported 18,873,952 MWh (18.9 TWh) of net generation in 2025, a 92.1% capacity factor on 2,340 MW of nameplate capacity. From January to July 2026 it reported 10.7 TWh, which is provisional.
Where is LaSalle Generating Station?
LaSalle Generating Station is in LaSalle County, Illinois, at 41.2455, −88.6691. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates LaSalle Generating Station?
EIA-860M for August 2026 lists Constellation Nuclear as the operator (EIA operator ID 55951). The operator is not always the owner.
When did LaSalle Generating Station start operating?
Its first generator began operating in January 1984, according to EIA-860M.
Does InfraMap have power prices for LaSalle Generating Station?
Yes. InfraMap has PJM day-ahead and real-time prices at 2 price nodes linked to LaSalle Generating Station, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page