Nuclear Hustle
Outage schedule/All Plants/Byron

Nuclear Power Plant

Byron

Byron, IllinoisConstellation2 reactors

All units at full power

99% average output

NRC 10/30/2026

Reactor Units

Unit 1

Byron 1

98%

Unit 2

Byron 2

100%

Outages

Unit 1

Full power

Last refueling

Mar 2, 2026 to Apr 2, 2026, 31 days

Next window

Aug 9, 2027 to Sep 20, 2027

18 month cycle · ~21 days · Forecast

Last outages for Unit 1
TypeStartedEndedDays
RefuelingMar 2, 2026Apr 2, 202631
RefuelingSep 9, 2024Sep 30, 202421
RefuelingMar 6, 2023Mar 25, 202319
RefuelingSep 13, 2021Oct 1, 202118
RefuelingMar 9, 2020Mar 27, 202018

Unit 2

Full power

Last refueling

Sep 28, 2026 to Oct 25, 2026, 27 days

Next window

Mar 6, 2028 to Apr 17, 2028

18 month cycle · ~18 days · Forecast

Last outages for Unit 2
TypeStartedEndedDays
RefuelingSep 28, 2026Oct 25, 202627
RefuelingApr 14, 2025May 2, 202518
RefuelingOct 9, 2023Oct 27, 202318
RefuelingApr 18, 2022May 12, 202224
RefuelingOct 5, 2020Oct 20, 202015

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