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McGuire 2 - Status & History

Comprehensive reactor performance metrics, cycle analysis, and historical outage data.

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Duration of each outage in days, shown chronologically. Green bars are scheduled refueling outages, red bars are forced/unscheduled. The orange dashed line marks the average duration. Extended outages (>180 days) and D&D periods are excluded.

Outage Duration Trend

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Days between consecutive scheduled refueling outage starts, showing operating cycle regularity. The purple dashed line marks the average cycle length. Most U.S. reactors operate on 18-month (547 day) or 24-month (730 day) cycles.

Cycle Length History

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Monthly capacity factor with outage events overlaid as red bands. Green bars show average power level per month. Toggle to Daily view for raw daily data.

Power History

Scheduled
2026-03-22 In Outage 13+ 157d 2026-03-21 +1d
Scram # 57977
2025-10-10 2025-10-16 7 384d - -
Scheduled
2024-09-01 2024-09-21 21 517d 2024-09-01 0d
Scheduled
2023-02-18 2023-04-03 45 362d 2023-02-18 0d
Scram # 55748
2022-02-19 2022-02-21 3 132d - -
Scheduled
2021-09-11 2021-10-10 30 516d 2021-09-11 0d
Scheduled
2020-03-21 2020-04-13 24 526d 2020-03-14 +7d
Scheduled
2018-09-15 2018-10-12 28 511d 2018-09-15 0d
Scheduled
2017-03-30 2017-04-22 24 22d 2017-03-30 0d
Unscheduled
2017-02-24 2017-03-08 13 504d - -
Scheduled
2015-09-13 2015-10-09 27 508d 2015-09-12 +1d
Scheduled
2014-03-22 2014-04-23 33 477d 2014-03-22 0d
Unscheduled
2012-11-28 2012-11-30 3 6d - -
Scheduled
2012-09-16 2012-11-22 68 531d 2012-09-15 +1d
Scheduled
2011-02-27 2011-04-04 37 33d 2011-03-05 -6d
Unscheduled
2011-01-21 2011-01-25 5 468d - -
Scheduled
2009-09-06 2009-10-10 35 508d 2009-09-05 +1d
Unscheduled
2008-04-14 2008-04-16 3 2d - -
Scheduled
2008-03-02 2008-04-12 42 479d 2008-03-01 +1d
Scheduled
2006-09-17 2006-11-09 54 515d 2006-09-16 +1d
Unscheduled
2005-04-18 2005-04-20 3 2d - -
Unscheduled
2005-04-15 2005-04-16 2 2d - -
Scheduled
2005-03-02 2005-04-13 43 514d 2005-03-01 +1d
Scheduled
2003-09-06 2003-10-05 30 378d 2003-09-06 0d
Unscheduled
2002-08-23 2002-08-24 2 150d - -
Scheduled
2002-02-23 2002-03-26 32 220d 2002-02-23 0d
Unscheduled
2001-07-17 2001-07-18 2 243d - -
Unscheduled
2000-11-16 2000-11-16 1 35d - -
Scheduled
2000-09-02 2000-10-12 41 414d 2000-09-02 0d
Unscheduled
1999-07-16 1999-07-16 1 93d - -
Scheduled
1999-03-13 1999-04-14 33 - 1999-03-13 0d
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