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Browns Ferry 3 - 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
2026-02-21 2026-03-26 34 196d 2026-02-20 +1d
Unscheduled
2025-08-05 2025-08-09 5 154d - -
Scram # 57537
2025-02-09 2025-03-04 24 121d - -
Unscheduled
2024-10-05 2024-10-11 7 197d - -
Scheduled
2024-02-17 2024-03-22 35 294d 2024-02-16 +1d
Unscheduled
2023-04-22 2023-04-29 8 132d - -
Unscheduled
2022-12-03 2022-12-11 9 244d - -
Unscheduled
2022-04-03 2022-04-03 1 2d - -
Scheduled
2022-02-26 2022-04-01 35 692d 2022-02-26 0d
Unscheduled
2020-04-05 2020-04-05 1 2d - -
Unscheduled
2020-04-02 2020-04-03 2 8d - -
Scheduled
2020-02-22 2020-03-25 33 89d 2020-02-22 0d
Unscheduled
2019-11-16 2019-11-25 10 247d - -
Scram # 53923
2019-03-10 2019-03-14 5 133d - -
Unscheduled
2018-10-22 2018-10-28 7 12d - -
Unscheduled
2018-10-06 2018-10-10 5 184d - -
Unscheduled
2018-04-04 2018-04-05 2 2d - -
Scheduled
2018-02-17 2018-04-02 45 36d 2018-02-17 0d
Scram # 53162
2018-01-11 2018-01-12 2 655d - -
Scheduled
2016-02-20 2016-03-27 37 653d 2016-02-19 +1d
Scram # 50090
2014-05-07 2014-05-08 2 49d - -
Scram # 49928
2014-03-19 2014-03-19 1 3d - -
Scheduled
2014-02-15 2014-03-16 30 352d 2014-02-15 0d
Scram # 48782
2013-02-26 2013-02-28 3 6d - -
Unscheduled
2013-02-12 2013-02-20 9 255d - -
Scram # 47972
2012-05-30 2012-06-02 4 7d - -
Scram # 47955
2012-05-22 2012-05-23 2 2d - -
Scheduled
2012-04-07 2012-05-20 44 191d 2012-04-07 0d
Scram # 47299
2011-09-29 2011-09-29 1 121d - -
Scram # 46793
2011-04-28 2011-05-31 34 112d - -
Scram # 46793
2011-04-28 2011-05-31 34 33d - -
Scram # 46793
2011-04-28 2011-05-31 34 33d - -
Unscheduled
2010-12-27 2011-01-06 11 135d - -
Unscheduled
2010-08-13 2010-08-14 2 127d - -
Scheduled
2010-02-28 2010-04-08 40 123d 2010-02-28 0d
Unscheduled
2009-10-25 2009-10-28 4 37d - -
Unscheduled
2009-09-13 2009-09-18 6 18d - -
Unscheduled
2009-08-25 2009-08-26 2 409d - -
Unscheduled
2008-07-11 2008-07-12 2 58d - -
Scheduled
2008-03-19 2008-05-14 57 59d 2008-03-17 +2d
Unscheduled
2008-01-10 2008-01-20 11 4d - -
Unscheduled
2008-01-01 2008-01-06 6 26d - -
Unscheduled
2007-12-01 2007-12-06 6 65d - -
Unscheduled
2007-09-23 2007-09-27 5 223d - -
Unscheduled
2007-02-10 2007-02-12 3 62d - -
Unscheduled
2006-12-10 2006-12-10 1 101d - -
Unscheduled
2006-08-30 2006-08-31 2 9d - -
Unscheduled
2006-08-20 2006-08-21 2 151d - -
Scheduled
2006-03-01 2006-03-22 22 40d 2006-02-28 +1d
Unscheduled
2006-01-16 2006-01-20 5 68d - -
Unscheduled
2005-11-01 2005-11-09 9 44d - -
Unscheduled
2005-09-18 2005-09-18 1 215d - -
Unscheduled
2005-02-12 2005-02-15 4 80d - -
Unscheduled
2004-11-24 2004-11-24 1 239d - -
Scheduled
2004-03-02 2004-03-30 29 245d 2004-03-01 +1d
Unscheduled
2003-06-20 2003-07-01 12 437d - -
Scheduled
2002-03-27 2002-04-09 14 671d 2002-03-27 0d
Unscheduled
2000-05-25 2000-05-25 1 22d - -
Scheduled
2000-04-16 2000-05-03 18 - 2000-04-16 0d
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