?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
138
Current Run
days
?
Longest recorded period of continuous operation between outages (2021-04-07 to 2023-02-11).
675
Record Run
days
?
Breaker-to-Breaker: times this unit ran from one refueling outage to the next with zero forced outages or scrams in between.
0
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
86.3%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
14
Outages
since 1999
?
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
| Type ⇅ | Actual Start ⇅ | Actual End ⇅ | Duration ⇅ | Days Online ⇅ | Scheduled | Delta |
|---|---|---|---|---|---|---|
|
Unscheduled
|
2025-11-12 | 2025-11-18 | 7 | 32d | - | - |
|
Scram
# 57975
|
2025-10-10 | 2025-10-11 | 2 | 138d | - | - |
|
Unscheduled
|
2025-05-22 | 2025-05-25 | 4 | 41d | - | - |
|
Scram
# 57655
|
2025-04-09 | 2025-04-11 | 3 | 10d | - | - |
|
Scheduled
|
2025-02-11 | 2025-03-30 | 48 | 424d | 2025-02-16 | -5d |
|
Scram
# 56887
|
2023-12-13 | 2023-12-15 | 3 | 23d | - | - |
|
Scram
# 56863
|
2023-11-18 | 2023-11-20 | 3 | 5d | - | - |
|
Unscheduled
|
2023-10-29 | 2023-11-13 | 16 | 136d | - | - |
|
Scheduled
|
2023-02-11 | 2023-06-15 | 125 | 675d | 2023-02-18 | -7d |
|
Scram
# 55169
|
2021-04-03 | 2021-04-07 | 5 | 8d | - | - |
|
Scram
# 55154
|
2021-03-26 | 2021-03-26 | 1 | 7d | - | - |
|
Scheduled
|
2021-02-21 | 2021-03-19 | 27 | 106d | 2021-02-13 | +8d |
|
Unscheduled
|
2020-11-01 | 2020-11-07 | 7 | 68d | - | - |
|
Scram
# 54849
|
2020-08-22 | 2020-08-25 | 4 | 314d | - | - |
|
Unscheduled
|
2019-10-11 | 2019-10-13 | 3 | 127d | - | - |
|
Scram
# 54096
|
2019-06-01 | 2019-06-06 | 6 | 21d | - | - |
|
Scheduled
|
2019-03-30 | 2019-05-11 | 43 | 135d | 2019-03-31 | -1d |
|
Unscheduled
|
2018-11-15 | 2018-11-15 | 1 | 2d | - | - |
|
Scram
# 53732
|
2018-11-10 | 2018-11-13 | 4 | 249d | - | - |
|
Unscheduled
|
2018-03-02 | 2018-03-06 | 5 | 21d | - | - |
|
Scram
# 53192
|
2018-02-02 | 2018-02-09 | 8 | 3d | - | - |
|
Unscheduled
|
2018-01-08 | 2018-01-30 | 23 | 141d | - | - |
|
Scram
# 52915
|
2017-08-19 | 2017-08-20 | 2 | 55d | - | - |
|
Scram
# 52825
|
2017-06-24 | 2017-06-25 | 2 | 105d | - | - |
|
Scram
# 52602
|
2017-03-11 | 2017-03-11 | 1 | 3d | - | - |
|
Scheduled
|
2017-01-28 | 2017-03-08 | 40 | 218d | 2017-01-27 | +1d |
|
Unscheduled
|
2016-06-11 | 2016-06-24 | 14 | 102d | - | - |
|
Unscheduled
|
2016-02-18 | 2016-03-01 | 13 | 19d | - | - |
|
Scram
# 51644
|
2016-01-09 | 2016-01-30 | 22 | 38d | - | - |
|
Scram
# 51568
|
2015-11-28 | 2015-12-02 | 5 | 174d | - | - |
|
Scram
# 51112
|
2015-06-02 | 2015-06-07 | 6 | 67d | - | - |
|
Scheduled
|
2015-02-23 | 2015-03-27 | 33 | 58d | 2015-02-16 | +7d |
|
Scram
# 50704
|
2014-12-26 | 2014-12-27 | 2 | 65d | - | - |
|
Scram
# 50546
|
2014-10-17 | 2014-10-22 | 6 | 485d | - | - |
|
Unscheduled
|
2013-06-17 | 2013-06-19 | 3 | 91d | - | - |
|
Scheduled
|
2013-02-17 | 2013-03-18 | 30 | 254d | 2013-02-17 | 0d |
|
Unscheduled
|
2012-06-03 | 2012-06-08 | 6 | 2d | - | - |
|
Scram
# 47960
|
2012-05-25 | 2012-06-01 | 8 | 2d | - | - |
|
Scram
# 47960
|
2012-05-22 | 2012-05-23 | 2 | 14d | - | - |
|
Unscheduled
|
2012-05-04 | 2012-05-08 | 5 | 131d | - | - |
|
Scram
# 47549
|
2011-12-24 | 2011-12-25 | 2 | 317d | - | - |
|
Scheduled
|
2011-01-15 | 2011-02-10 | 27 | 164d | 2011-01-16 | -1d |
|
Unscheduled
|
2010-07-31 | 2010-08-04 | 5 | 287d | - | - |
|
Scheduled
|
2009-09-21 | 2009-10-17 | 27 | 365d | 2009-09-25 | -4d |
|
Unscheduled
|
2008-09-02 | 2008-09-21 | 20 | 164d | - | - |
|
Unscheduled
|
2008-03-21 | 2008-03-22 | 2 | 15d | - | - |
|
Unscheduled
|
2008-03-06 | 2008-03-06 | 1 | 5d | - | - |
|
Unscheduled
|
2008-01-07 | 2008-03-01 | 55 | 58d | - | - |
|
Unscheduled
|
2007-11-07 | 2007-11-10 | 4 | 35d | - | - |
|
Unscheduled
|
2007-09-27 | 2007-10-03 | 7 | 111d | - | - |
|
Unscheduled
|
2007-05-23 | 2007-06-08 | 17 | 17d | - | - |
|
Unscheduled
|
2007-05-05 | 2007-05-06 | 2 | 196d | - | - |
|
Unscheduled
|
2006-10-19 | 2006-10-21 | 3 | 160d | - | - |
|
Scheduled
|
2006-04-24 | 2006-05-12 | 19 | 7d | 2006-04-23 | +1d |
|
Unscheduled
|
2006-04-16 | 2006-04-17 | 2 | 58d | - | - |
|
Unscheduled
|
2006-02-11 | 2006-02-17 | 7 | 224d | - | - |
|
Unscheduled
|
2005-07-02 | 2005-07-02 | 1 | 2d | - | - |
|
Unscheduled
|
2005-06-23 | 2005-06-30 | 8 | 110d | - | - |
|
Unscheduled
|
2005-03-01 | 2005-03-05 | 5 | 4d | - | - |
|
Unscheduled
|
2005-02-20 | 2005-02-25 | 6 | 36d | - | - |
|
Unscheduled
|
2005-01-15 | 2005-01-15 | 1 | 35d | - | - |
|
Unscheduled
|
2004-12-11 | 2004-12-11 | 1 | 23d | - | - |
|
Scheduled
|
2004-10-22 | 2004-11-18 | 28 | 16d | 2004-10-21 | +1d |
|
Unscheduled
|
2004-10-02 | 2004-10-06 | 5 | 47d | - | - |
|
Unscheduled
|
2004-08-15 | 2004-08-16 | 2 | 327d | - | - |
|
Unscheduled
|
2003-09-23 | 2003-09-23 | 1 | 166d | - | - |
|
Scheduled
|
2003-03-17 | 2003-04-10 | 25 | 22d | 2003-03-17 | 0d |
|
Unscheduled
|
2003-02-22 | 2003-02-23 | 2 | 155d | - | - |
|
Unscheduled
|
2002-09-19 | 2002-09-20 | 2 | 79d | - | - |
|
Unscheduled
|
2002-07-02 | 2002-07-02 | 1 | 48d | - | - |
|
Unscheduled
|
2002-05-13 | 2002-05-15 | 3 | 196d | - | - |
|
Unscheduled
|
2001-10-27 | 2001-10-29 | 3 | 17d | - | - |
|
Scheduled
|
2001-09-24 | 2001-10-10 | 17 | 154d | 2001-09-24 | 0d |
|
Unscheduled
|
2001-04-22 | 2001-04-23 | 2 | 2d | - | - |
|
Unscheduled
|
2001-04-18 | 2001-04-20 | 3 | 236d | - | - |
|
Unscheduled
|
2000-08-22 | 2000-08-25 | 4 | 137d | - | - |
|
Scheduled
|
2000-03-04 | 2000-04-07 | 35 | 126d | 2000-03-04 | 0d |
|
Unscheduled
|
1999-10-30 | 1999-10-30 | 1 | 122d | - | - |
|
Unscheduled
|
1999-04-03 | 1999-06-30 | 89 | - | - | - |
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