LaSalle Generating Station
2601 North 21st Rd, Marseilles, IL 61341Plant Summary Information
LaSalle Generating Station is ranked #18 out of 13,081 power plants nationwide in terms of total annual net electricity generation.
LaSalle Generating Station is comprised of 2 generators and generated 4.8 TWh during the 3-month period between February 2026 to May 2026.
| Plant Name | LaSalle Generating Station |
|---|---|
| Utility Name | Constellation Nuclear |
| Location | LaSalle County, IL |
| Initial Operation Date | January 1984 |
| Last Update | May 2026 |
| Annual Generation | 18.5 TWh |
| Annual Consumption | 210.9 M MMBtu |
| Ranked #18 out of 13,081 Power Plants Nationwide | |
| Ranked #16 out of 54 Nuclear Power Plants Nationwide | |
| Ranked #3 out of 483 Illinois Power Plants | |
| Ranked #3 out of 6 Illinois Nuclear Power Plants | |
| Fuel Types | Nuclear |
| Previous Operator |
Exelon Nuclear (2013 to 2021) Constellation Nuclear (2022 to 2025) |
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Monthly Net Generation for LaSalle Generating Station
Monthly Plant Fuel Consumption for LaSalle Generating Station
LaSalle Generating Station Details
| Summary Information | |
|---|---|
| Plant Name | LaSalle Generating Station (6026) |
| Plant Address | 2601 North 21st Rd, Marseilles, IL 61341 |
| Utility | Constellation Nuclear (55951) |
| Latitude, Longitude | 41.2455, -88.66907 |
| Generation Dates on File | Jan 2001 to May 2026 |
| Initial Operation Date | January 1984 |
| Annual Generation | 18.5 TWh |
| Fuel Types | Nuclear |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Illinois River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Commonwealth Edison Co (4110) IL |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
Generator 1 Details Operating January 1984
| Technology | Nuclear |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | 86191101 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 86191101 |
| Nameplate Capacity | 1170 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1130.5 MW |
| Winter Capacity | 1172.5 MW |
| Minimum Load | 150 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | January 1984 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Nuclear |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator 2 Details Operating October 1984
| Technology | Nuclear |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | 86191102 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 86191102 |
| Nameplate Capacity | 1170 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1133.9 MW |
| Winter Capacity | 1170 MW |
| Minimum Load | 150 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1984 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Nuclear |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
LaSalle Generating Station Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Nuclear.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #6 | South Texas Project | Wadsworth, TX | 20.6 TWh |
| #7 | Comanche Peak | Glen Rose, TX | 20.0 TWh |
| #8 | Watts Bar Nuclear Plant | Spring City, TN | 19.7 TWh |
| #9 | Byron Generating Station | Byron, IL | 19.6 TWh |
| #10 | Braidwood Generation Station | Braceville, IL | 19.6 TWh |
| #11 | Limerick | Sanatoga, PA | 19.4 TWh |
| #12 | TalenEnergy Susquehanna | Berwick, PA | 19.3 TWh |
| #13 | PSEG Salem Generating Station | Hancocks Bridge, NJ | 19.3 TWh |
| #14 | McGuire | Huntersville, NC | 19.0 TWh |
| #15 | Donald C Cook | Bridgman, MI | 18.5 TWh |
| #17 | Diablo Canyon | Avila Beach, CA | 18.4 TWh |
| #18 | Catawba | York, SC | 18.3 TWh |
| #19 | Millstone | Waterford, CT | 17.2 TWh |
| #20 | Sequoyah | Soddy Daisy, TN | 17.1 TWh |
| #21 | North Anna | Mineral, VA | 15.8 TWh |
| #22 | Nine Mile Point Nuclear Station | Lycoming, NY | 15.6 TWh |
| #23 | St Lucie | Jensen Beach, FL | 15.4 TWh |
| #24 | Brunswick Nuclear | Southport, NC | 15.3 TWh |
| #25 | Quad Cities Generating Station | Cordova, IL | 15.2 TWh |
| #26 | Dresden Generating Station | Morris, IL | 15.1 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding LaSalle Generating Station.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Beckham Solar LLC | Odell, IL | 302.0 MWh | 17.4 mi |
| Blackstone Wind Farm II LLC | Dwight, IL | 481.5 GWh | 10.2 mi |
| Blackstone Wind Farm LLC | Ransom, IL | 237.7 GWh | 7 mi |
| Briscoe 1A | Tonica, IL | 4.1 GWh | 19 mi |
| Briscoe 2A | Lostant, IL | 4.7 GWh | 19.4 mi |
| Briscoe Solar 1 | Tonica, IL | 4.0 GWh | 19.1 mi |
| Briscoe Solar 2 | Lostant, IL | 2.9 GWh | 19.2 mi |
| City of Peru Hydro-Electric Generating S | Utica, IL | 17.2 GWh | 17 mi |
| Dayton Hydro | Ottawa, IL | 9.9 GWh | 11.7 mi |
| Grand Ridge Solar Farm | Marseilles, IL | 31.0 GWh | 8.4 mi |
| Grand Ridge Wind Energy Center | Marseilles, IL | 447.2 GWh | 1.5 mi |
| LaSalle Solar 1 | Ransom, IL | 1.9 GWh | 5.8 mi |
| LaSalle Solar 6 | Ottawa, IL | 582.0 MWh | 14.8 mi |
| Morris Cogeneration LLC | Morris, IL | 621.2 GWh | 20.9 mi |
| NE IL - Esmen West | Pontiac, IL | 2.0 GWh | 20.5 mi |
| Otter Creek Wind Farm LLC | Ransom, IL | 451.2 GWh | 21.4 mi |
| Segunda II (CSG) | Streator, IL | 4.8 GWh | 13.4 mi |
| Streator Cayuga Ridge South | Odell, IL | 660.2 GWh | 19.5 mi |
| SV Gardner 1 (Lutz) CSG | Gardner, IL | 4.2 GWh | 19.4 mi |
| Tully 1 | Morris, IL | 2.2 GWh | 9.3 mi |