?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
10
Current Run
days
?
Longest recorded period of continuous operation between outages (2010-05-24 to 2012-02-20).
637
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.
1
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
83.3%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
15
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 |
|---|---|---|---|---|---|---|
| 2026-02-14 | 2026-03-26 | 41 | 241d | - | - | |
|
Scram
# 57763
|
2025-06-18 | 2025-06-18 | 1 | 116d | - | - |
|
Scram
# 57551
|
2025-02-16 | 2025-02-22 | 7 | 88d | - | - |
|
Scram
# 57418
|
2024-11-11 | 2024-11-20 | 10 | 227d | - | - |
|
Scheduled
|
2024-03-02 | 2024-03-29 | 28 | 60d | 2024-03-01 | +1d |
|
Scram
# 56894
|
2023-12-17 | 2024-01-02 | 17 | 361d | - | - |
|
Scram
# 56282
|
2022-12-20 | 2022-12-21 | 2 | 121d | - | - |
|
Unscheduled
|
2022-08-20 | 2022-08-21 | 2 | 15d | - | - |
|
Unscheduled
|
2022-07-13 | 2022-08-05 | 24 | 11d | - | - |
|
Scram
# 55973
|
2022-07-01 | 2022-07-02 | 2 | 62d | - | - |
|
Scheduled
|
2022-02-27 | 2022-04-30 | 63 | 302d | 2022-02-24 | +3d |
|
Unscheduled
|
2021-04-21 | 2021-05-01 | 11 | 129d | - | - |
|
Scram
# 55030
|
2020-12-12 | 2020-12-13 | 2 | 10d | - | - |
|
Scram
# 54986
|
2020-11-06 | 2020-12-02 | 27 | 71d | - | - |
|
Scram
# 54855
|
2020-08-25 | 2020-08-27 | 3 | 2d | - | - |
|
Scram
# 54824
|
2020-08-08 | 2020-08-23 | 16 | 70d | - | - |
|
Scram
# 54725
|
2020-05-26 | 2020-05-30 | 5 | 5d | - | - |
|
Scheduled
|
2020-02-23 | 2020-05-21 | 89 | 82d | 2020-02-22 | +1d |
|
Unscheduled
|
2019-11-28 | 2019-12-03 | 6 | 3d | - | - |
|
Unscheduled
|
2019-11-16 | 2019-11-25 | 10 | 182d | - | - |
|
Scram
# 54062
|
2019-05-13 | 2019-05-18 | 6 | 77d | - | - |
|
Scram
# 53894
|
2019-02-24 | 2019-02-25 | 2 | 70d | - | - |
|
Scram
# 53788
|
2018-12-13 | 2018-12-16 | 4 | 87d | - | - |
|
Scram
# 53608
|
2018-09-15 | 2018-09-17 | 3 | 66d | - | - |
|
Scheduled
|
2018-04-07 | 2018-07-11 | 96 | 64d | 2018-04-14 | -7d |
|
Scram
# 53188
|
2018-01-31 | 2018-02-02 | 3 | 15d | - | - |
|
Unscheduled
|
2018-01-14 | 2018-01-16 | 3 | 2d | - | - |
|
Unscheduled
|
2018-01-09 | 2018-01-12 | 4 | 30d | - | - |
|
Unscheduled
|
2017-12-06 | 2017-12-10 | 5 | 4d | - | - |
|
Unscheduled
|
2017-11-17 | 2017-12-02 | 16 | 48d | - | - |
|
Unscheduled
|
2017-08-30 | 2017-09-30 | 32 | 139d | - | - |
|
Scram
# 52663
|
2017-04-04 | 2017-04-13 | 10 | 66d | - | - |
|
Unscheduled
|
2016-09-09 | 2017-01-28 | 142 | 51d | - | - |
|
Unscheduled
|
2016-07-11 | 2016-07-20 | 10 | 3d | - | - |
|
Scram
# 52044
|
2016-06-26 | 2016-07-08 | 13 | 8d | - | - |
|
Scram
# 52012
|
2016-06-17 | 2016-06-18 | 2 | 79d | - | - |
|
Scram
# 51827
|
2016-03-30 | 2016-03-30 | 1 | 4d | - | - |
|
Scheduled
|
2016-02-20 | 2016-03-26 | 36 | 371d | 2016-02-21 | -1d |
|
Scram
# 50795
|
2015-02-08 | 2015-02-14 | 7 | 315d | - | - |
|
Scram
# 49972
|
2014-03-30 | 2014-03-30 | 1 | 10d | - | - |
|
Scram
# 49920
|
2014-03-18 | 2014-03-20 | 3 | 4d | - | - |
|
Scheduled
|
2014-02-10 | 2014-03-14 | 33 | 98d | 2014-02-09 | +1d |
|
Unscheduled
|
2013-11-02 | 2013-11-04 | 3 | 21d | - | - |
|
Unscheduled
|
2013-10-11 | 2013-10-12 | 2 | 3d | - | - |
|
Unscheduled
|
2013-10-05 | 2013-10-08 | 4 | 64d | - | - |
|
Scram
# 49225
|
2013-07-31 | 2013-08-02 | 3 | 184d | - | - |
|
Scram
# 48673
|
2013-01-15 | 2013-01-28 | 14 | 8d | - | - |
|
Scram
# 48652
|
2013-01-05 | 2013-01-07 | 3 | 6d | - | - |
|
Scram
# 48637
|
2012-12-29 | 2012-12-30 | 2 | 15d | - | - |
|
Unscheduled
|
2012-12-09 | 2012-12-14 | 6 | 183d | - | - |
|
Unscheduled
|
2012-06-08 | 2012-06-09 | 2 | 2d | - | - |
|
Scheduled
|
2012-02-20 | 2012-06-06 | 108 | 637d | 2012-02-19 | +1d |
|
Scheduled
|
2010-04-26 | 2010-05-24 | 29 | 47d | 2010-03-14 | +43d |
|
Unscheduled
|
2010-03-09 | 2010-03-10 | 2 | 498d | - | - |
|
Unscheduled
|
2008-10-27 | 2008-10-27 | 1 | 7d | - | - |
|
Scheduled
|
2008-09-22 | 2008-10-20 | 29 | 184d | 2008-09-18 | +4d |
|
Unscheduled
|
2008-03-22 | 2008-03-22 | 1 | 25d | - | - |
|
Unscheduled
|
2008-02-23 | 2008-02-26 | 4 | 39d | - | - |
|
Unscheduled
|
2008-01-13 | 2008-01-15 | 3 | 121d | - | - |
|
Unscheduled
|
2007-09-01 | 2007-09-14 | 14 | 10d | - | - |
|
Unscheduled
|
2007-08-22 | 2007-08-22 | 1 | 90d | - | - |
|
Unscheduled
|
2007-05-20 | 2007-05-24 | 5 | 39d | - | - |
|
Scheduled
|
2007-03-19 | 2007-04-11 | 24 | 294d | 2007-03-18 | +1d |
|
Unscheduled
|
2006-05-23 | 2006-05-29 | 7 | 218d | - | - |
|
Scheduled
|
2005-09-19 | 2005-10-17 | 29 | 218d | 2005-09-18 | +1d |
|
Unscheduled
|
2005-02-12 | 2005-02-13 | 2 | 327d | - | - |
|
Scheduled
|
2004-02-23 | 2004-03-22 | 29 | 301d | 2004-02-22 | +1d |
|
Unscheduled
|
2003-04-25 | 2003-04-28 | 4 | 84d | - | - |
|
Unscheduled
|
2003-01-31 | 2003-01-31 | 1 | 118d | - | - |
|
Scheduled
|
2002-09-14 | 2002-10-05 | 22 | 82d | 2002-09-14 | 0d |
|
Unscheduled
|
2002-06-23 | 2002-06-24 | 2 | 297d | - | - |
|
Unscheduled
|
2001-08-29 | 2001-08-30 | 2 | 4d | - | - |
|
Unscheduled
|
2001-08-24 | 2001-08-25 | 2 | 16d | - | - |
|
Unscheduled
|
2001-08-08 | 2001-08-08 | 1 | 96d | - | - |
|
Scheduled
|
2001-04-14 | 2001-05-04 | 21 | 208d | 2001-04-14 | 0d |
|
Unscheduled
|
2000-09-16 | 2000-09-18 | 3 | 283d | - | - |
|
Scheduled
|
1999-10-23 | 1999-12-08 | 47 | 236d | 1999-10-23 | 0d |
|
Unscheduled
|
1999-02-22 | 1999-03-01 | 8 | 26d | - | - |
|
Unscheduled
|
1999-01-14 | 1999-01-27 | 14 | - | - | - |
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