NukeWorker Menu

Watts Bar 1 - Status & History

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

?
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

?
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

?
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

Scram # 57500
2025-01-17 2025-05-05 109 39d - -
Scheduled
2024-11-02 2024-12-09 38 106d 2024-10-12 +21d
Scram # 57214
2024-07-09 2024-07-19 11 43d - -
Unscheduled
2024-05-25 2024-05-27 3 380d - -
Scheduled
2023-04-15 2023-05-11 27 498d 2023-04-14 +1d
Scheduled
2021-10-30 2021-12-03 35 514d 2021-10-29 +1d
Scheduled
2020-05-09 2020-06-03 26 79d 2020-03-15 (Model) +55d (Model)
Scram # 54532
2020-02-20 2020-02-20 1 121d - -
Unscheduled
2019-09-16 2019-10-22 37 5d - -
Unscheduled
2019-09-05 2019-09-11 7 3d - -
Scram # 54252
2019-09-01 2019-09-02 2 306d - -
Scram # 53697
2018-10-28 2018-10-30 3 2d - -
Scheduled
2018-09-15 2018-10-26 42 495d 2018-09-08 +7d
Scram # 52732
2017-05-05 2017-05-08 4 2d - -
Scram # 52732
2017-05-03 2017-05-03 1 3d - -
Scheduled
2017-03-19 2017-04-30 43 359d 2017-03-20 -1d
Scram # 51815
2016-03-23 2016-03-25 3 131d - -
Unscheduled
2015-11-07 2015-11-13 7 17d - -
Scheduled
2015-09-21 2015-10-21 31 204d 2015-09-14 +7d
Scram # 50839
2015-02-22 2015-03-01 8 222d - -
Scram # 50278
2014-07-14 2014-07-15 2 74d - -
Scheduled
2014-03-24 2014-05-01 39 267d 2014-04-07 -14d
Scram # 49154
2013-06-29 2013-06-30 2 244d - -
Scheduled
2012-09-10 2012-10-28 49 12d 2012-09-10 0d
Scram # 48238
2012-08-28 2012-08-29 2 319d - -
Unscheduled
2011-10-08 2011-10-14 7 132d - -
Scram # 46902
2011-05-29 2011-05-29 1 9d - -
Scheduled
2011-04-04 2011-05-20 47 138d 2011-03-20 +15d
Unscheduled
2010-11-15 2010-11-17 3 175d - -
Unscheduled
2010-05-22 2010-05-24 3 214d - -
Scheduled
2009-09-21 2009-10-20 30 362d 2009-09-20 +1d
Unscheduled
2008-09-21 2008-09-24 4 38d - -
Unscheduled
2008-08-07 2008-08-14 8 75d - -
Unscheduled
2008-05-18 2008-05-24 7 55d - -
Scheduled
2008-02-11 2008-03-24 43 438d 2008-02-10 +1d
Scheduled
2006-09-11 2006-11-30 81 38d 2006-09-10 +1d
Unscheduled
2006-08-01 2006-08-04 4 38d - -
Unscheduled
2006-05-31 2006-06-24 25 426d - -
Scheduled
2005-02-22 2005-03-31 38 155d 2005-02-21 +1d
Unscheduled
2004-09-20 2004-09-20 1 247d - -
Unscheduled
2004-01-17 2004-01-17 1 89d - -
Scheduled
2003-09-08 2003-10-20 43 13d 2003-09-08 0d
Unscheduled
2003-08-26 2003-08-26 1 164d - -
Unscheduled
2003-03-10 2003-03-15 6 239d - -
Unscheduled
2002-07-14 2002-07-14 1 67d - -
Unscheduled
2002-05-04 2002-05-08 5 46d - -
Scheduled
2002-02-25 2002-03-19 23 67d 2002-02-25 0d
Unscheduled
2001-12-20 2001-12-20 1 106d - -
Unscheduled
2001-09-05 2001-09-05 1 58d - -
Unscheduled
2001-06-30 2001-07-09 10 267d - -
Scheduled
2000-09-10 2000-10-06 27 515d 2000-09-10 0d
Scheduled
1999-02-27 1999-04-14 47 - 1999-02-27 0d
Page created in 0.040 seconds with 7 queries.