?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
157
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2022-10-04 to 2024-03-09).
522
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.
4
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
88.4%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
18
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 |
|---|---|---|---|---|---|---|
|
Scheduled
|
2025-09-20 | 2025-10-30 | 41 | 307d | 2025-09-20 | 0d |
|
Scram
# 57425
|
2024-11-16 | 2024-11-17 | 2 | 105d | - | - |
|
Scram
# 57249
|
2024-07-29 | 2024-08-03 | 6 | 108d | - | - |
|
Scheduled
|
2024-03-09 | 2024-04-12 | 35 | 522d | 2024-03-08 | +1d |
|
Scheduled
|
2022-09-03 | 2022-10-04 | 32 | 266d | 2022-09-03 | 0d |
|
Scram
# 55641
|
2021-12-11 | 2021-12-11 | 1 | 208d | - | - |
|
Scheduled
|
2021-04-10 | 2021-05-17 | 38 | 509d | 2021-04-10 | 0d |
|
Unscheduled
|
2019-10-14 | 2019-11-18 | 36 | 23d | - | - |
|
Scheduled
|
2019-09-08 | 2019-09-21 | 14 | 81d | 2019-09-03 | +5d |
|
Scram
# 54027
|
2019-04-26 | 2019-06-19 | 55 | 178d | - | - |
|
Scram
# 53703
|
2018-10-30 | 2018-10-30 | 1 | 202d | - | - |
|
Scheduled
|
2018-03-12 | 2018-04-11 | 31 | 181d | 2018-03-12 | 0d |
|
Unscheduled
|
2017-09-12 | 2017-09-12 | 1 | 217d | - | - |
|
Unscheduled
|
2017-02-01 | 2017-02-07 | 7 | 86d | - | - |
|
Scheduled
|
2016-09-26 | 2016-11-07 | 43 | 32d | 2016-09-26 | 0d |
|
Scram
# 52191
|
2016-08-22 | 2016-08-25 | 4 | 2d | - | - |
|
Unscheduled
|
2016-08-02 | 2016-08-20 | 19 | 357d | - | - |
|
Scram
# 51302
|
2015-08-10 | 2015-08-11 | 2 | 110d | - | - |
|
Scheduled
|
2015-03-23 | 2015-04-22 | 31 | 460d | 2015-03-23 | 0d |
|
Unscheduled
|
2013-12-11 | 2013-12-18 | 8 | 29d | - | - |
|
Scram
# 49528
|
2013-11-12 | 2013-11-12 | 1 | 5d | - | - |
|
Scheduled
|
2013-09-30 | 2013-11-07 | 39 | 183d | 2013-09-29 | +1d |
|
Scram
# 48818
|
2013-03-13 | 2013-03-31 | 19 | 232d | - | - |
|
Unscheduled
|
2012-07-19 | 2012-07-24 | 6 | 44d | - | - |
|
Scram
# 47987
|
2012-06-03 | 2012-06-05 | 3 | 51d | - | - |
|
Unscheduled
|
2012-04-07 | 2012-04-13 | 7 | 2d | - | - |
|
Scram
# 47793
|
2012-03-31 | 2012-04-05 | 6 | 2d | - | - |
|
Scheduled
|
2011-11-28 | 2012-03-29 | 123 | 32d | 2011-11-23 | +5d |
|
Unscheduled
|
2011-10-26 | 2011-10-27 | 2 | 6d | - | - |
|
Scram
# 47353
|
2011-10-20 | 2011-10-20 | 1 | 55d | - | - |
|
Scram
# 47178
|
2011-08-23 | 2011-08-26 | 4 | 423d | - | - |
|
Unscheduled
|
2010-06-17 | 2010-06-26 | 10 | 4d | - | - |
|
Scheduled
|
2010-04-05 | 2010-06-13 | 70 | 501d | 2010-04-05 | 0d |
|
Scheduled
|
2008-10-20 | 2008-11-20 | 32 | 57d | 2008-10-19 | +1d |
|
Unscheduled
|
2008-08-21 | 2008-08-24 | 4 | 453d | - | - |
|
Scheduled
|
2007-04-02 | 2007-05-26 | 55 | 470d | 2007-04-01 | +1d |
|
Scheduled
|
2005-10-17 | 2005-12-18 | 63 | 380d | 2005-10-16 | +1d |
|
Unscheduled
|
2004-09-26 | 2004-10-02 | 7 | 13d | - | - |
|
Unscheduled
|
2004-09-05 | 2004-09-13 | 9 | 134d | - | - |
|
Scheduled
|
2004-03-22 | 2004-04-24 | 34 | 515d | 2004-03-21 | +1d |
|
Scheduled
|
2002-09-30 | 2002-10-24 | 25 | 323d | 2002-09-30 | 0d |
|
Unscheduled
|
2001-11-09 | 2001-11-11 | 3 | 156d | - | - |
|
Unscheduled
|
2001-06-06 | 2001-06-06 | 1 | 38d | - | - |
|
Scheduled
|
2001-04-02 | 2001-04-29 | 28 | 520d | 2001-04-02 | 0d |
|
Unscheduled
|
1999-10-29 | 1999-10-30 | 2 | 12d | - | - |
|
Scheduled
|
1999-09-13 | 1999-10-17 | 35 | 18d | 1999-09-13 | 0d |
|
Unscheduled
|
1999-08-24 | 1999-08-26 | 3 | - | - | - |
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