Nuclear Hustle
Outage schedule/All Plants/LaSalle

Nuclear Power Plant

LaSalle

Marseilles, IllinoisConstellation2 reactors

All units at full power

100% average output

NRC 10/30/2026

Reactor Units

Unit 1

LaSalle 1

100%

Unit 2

LaSalle 2

100%

Outages

Unit 1

Full power

Last refueling

Feb 9, 2026 to Feb 28, 2026, 19 days

Next window

Jan 14, 2028 to Feb 25, 2028

24 month cycle · ~19 days · Forecast

Last outages for Unit 1
TypeStartedEndedDays
MaintenanceMay 27, 2026May 31, 20264
RefuelingFeb 9, 2026Feb 28, 202619
UnplannedDec 29, 2025Jan 1, 20263
UnplannedNov 3, 2025Nov 5, 20252
RefuelingFeb 19, 2024Mar 9, 202419

Unit 2

Full power

Last refueling

Feb 10, 2025 to Mar 2, 2025, 20 days

Next window

Jan 22, 2027 to Mar 5, 2027

24 month cycle · ~24 days · Forecast

Last outages for Unit 2
TypeStartedEndedDays
MaintenanceNov 19, 2025Nov 29, 202510
RefuelingFeb 10, 2025Mar 2, 202520
RefuelingFeb 13, 2023Mar 9, 202324
UnplannedSep 26, 2022Sep 30, 20224
RefuelingFeb 22, 2021Apr 18, 202155

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