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Braidwood 1 - 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
2025-10-06 2025-10-22 17 67d 2025-10-06 0d
Scram # 57839
2025-07-31 2025-07-31 1 452d - -
Scheduled
2024-04-15 2024-05-05 21 543d 2024-04-14 +1d
Scheduled
2022-10-03 2022-10-20 18 469d 2022-10-03 0d
Scram # 55320
2021-06-21 2021-06-21 1 59d - -
Scheduled
2021-04-05 2021-04-23 19 531d 2021-04-05 0d
Scheduled
2019-10-07 2019-10-22 16 489d 2019-10-01 +6d
Scram # 53443
2018-06-05 2018-06-05 1 38d - -
Scheduled
2018-04-09 2018-04-28 20 532d 2018-04-09 0d
Scheduled
2016-09-26 2016-10-24 29 528d 2016-09-26 0d
Scheduled
2015-03-30 2015-04-17 19 546d 2015-03-30 0d
Scheduled
2013-09-09 2013-09-30 22 478d 2013-09-09 0d
Scheduled
2012-04-16 2012-05-19 34 528d 2012-04-16 0d
Scheduled
2010-10-04 2010-11-05 33 13d 2010-10-04 0d
Unscheduled
2010-09-21 2010-09-21 1 32d - -
Unscheduled
2010-08-16 2010-08-20 5 484d - -
Scheduled
2009-03-30 2009-04-19 21 522d 2009-04-06 -7d
Scheduled
2007-10-01 2007-10-25 25 95d 2007-10-01 0d
Unscheduled
2007-06-28 2007-06-28 1 421d - -
Scheduled
2006-04-17 2006-05-03 17 213d 2006-04-16 +1d
Unscheduled
2005-09-12 2005-09-16 5 323d - -
Scheduled
2004-10-05 2004-10-24 20 523d 2004-10-04 +1d
Scheduled
2003-04-15 2003-05-01 17 551d 2003-04-15 0d
Scheduled
2001-09-22 2001-10-11 20 535d 2001-09-22 0d
Scheduled
2000-03-18 2000-04-05 19 345d 2000-03-18 0d
Unscheduled
1999-04-06 1999-04-08 3 - - -
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