?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
125
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2012-03-30 to 2013-10-14).
563
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).
89.4%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
18
Outages
since 2000
?
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
|
2025-10-04 | 2025-12-01 | 59 | 100d | 2025-10-03 | +1d |
|
Scram
# 57778
|
2025-06-24 | 2025-06-26 | 3 | 248d | - | - |
|
Scram
# 57351
|
2024-09-30 | 2024-10-19 | 20 | 30d | - | - |
|
Scram
# 57285
|
2024-08-24 | 2024-08-31 | 8 | 116d | - | - |
|
Scheduled
|
2024-03-23 | 2024-04-30 | 39 | 486d | 2024-03-29 | -6d |
|
Scheduled
|
2022-10-22 | 2022-11-23 | 33 | 440d | 2022-10-22 | 0d |
|
Unscheduled
|
2021-08-06 | 2021-08-08 | 3 | 69d | - | - |
|
Scram
# 55272
|
2021-05-25 | 2021-05-29 | 5 | 15d | - | - |
|
Scheduled
|
2021-04-10 | 2021-05-10 | 31 | 331d | 2021-04-10 | 0d |
|
Scram
# 54708
|
2020-05-13 | 2020-05-14 | 2 | 169d | - | - |
|
Scheduled
|
2019-10-12 | 2019-11-26 | 46 | 45d | 2019-09-29 | +13d |
|
Scram
# 54242
|
2019-08-27 | 2019-08-28 | 2 | 133d | - | - |
|
Scram
# 53999
|
2019-04-14 | 2019-04-16 | 3 | 122d | - | - |
|
Unscheduled
|
2018-12-10 | 2018-12-13 | 4 | 218d | - | - |
|
Scheduled
|
2018-04-07 | 2018-05-06 | 30 | 180d | 2018-04-07 | 0d |
|
Unscheduled
|
2017-10-02 | 2017-10-09 | 8 | 275d | - | - |
|
Scheduled
|
2016-11-26 | 2016-12-31 | 36 | 286d | 2016-11-05 | +21d |
|
Unscheduled
|
2015-12-27 | 2016-02-14 | 50 | 33d | - | - |
|
Scram
# 51559
|
2015-11-24 | 2015-11-24 | 1 | 66d | - | - |
|
Scram
# 51392
|
2015-09-14 | 2015-09-19 | 6 | 31d | - | - |
|
Unscheduled
|
2015-08-09 | 2015-08-14 | 6 | 9d | - | - |
|
Unscheduled
|
2015-07-31 | 2015-07-31 | 1 | 2d | - | - |
|
Scram
# 51265
|
2015-07-28 | 2015-07-29 | 2 | 2d | - | - |
|
Scram
# 51265
|
2015-07-25 | 2015-07-26 | 2 | 71d | - | - |
|
Scheduled
|
2015-04-11 | 2015-05-15 | 35 | 28d | 2015-04-13 | -2d |
|
Scram
# 50878
|
2015-03-12 | 2015-03-14 | 3 | 477d | - | - |
|
Scheduled
|
2013-10-14 | 2013-11-20 | 38 | 563d | 2013-10-14 | 0d |
|
Scheduled
|
2012-02-27 | 2012-03-30 | 33 | 191d | 2012-02-27 | 0d |
|
Scram
# 47169
|
2011-08-19 | 2011-08-20 | 2 | 29d | - | - |
|
Scram
# 47081
|
2011-07-21 | 2011-07-21 | 1 | 24d | - | - |
|
Scram
# 46991
|
2011-06-27 | 2011-06-27 | 1 | 186d | - | - |
|
Unscheduled
|
2010-12-20 | 2010-12-23 | 4 | 33d | - | - |
|
Unscheduled
|
2010-11-17 | 2010-11-17 | 1 | 2d | - | - |
|
Scheduled
|
2010-10-02 | 2010-11-15 | 45 | 512d | 2010-10-01 | +1d |
|
Unscheduled
|
2009-05-07 | 2009-05-08 | 2 | 7d | - | - |
|
Unscheduled
|
2009-04-29 | 2009-04-30 | 2 | 2d | - | - |
|
Scheduled
|
2009-03-27 | 2009-04-27 | 32 | 434d | 2009-03-29 | -2d |
|
Unscheduled
|
2008-01-17 | 2008-01-18 | 2 | 63d | - | - |
|
Scheduled
|
2007-10-04 | 2007-11-15 | 43 | 508d | 2007-09-30 | +4d |
|
Scheduled
|
2006-04-10 | 2006-05-14 | 35 | 364d | 2006-04-09 | +1d |
|
Unscheduled
|
2005-04-10 | 2005-04-11 | 2 | 142d | - | - |
|
Scheduled
|
2004-10-25 | 2004-11-19 | 26 | 220d | 2004-10-25 | 0d |
|
Unscheduled
|
2004-03-15 | 2004-03-19 | 5 | 197d | - | - |
|
Unscheduled
|
2003-08-29 | 2003-08-31 | 3 | 76d | - | - |
|
Scheduled
|
2003-03-17 | 2003-06-14 | 90 | 481d | 2003-03-17 | 0d |
|
Scheduled
|
2001-10-22 | 2001-11-21 | 31 | 343d | 2001-10-22 | 0d |
|
Unscheduled
|
2000-10-07 | 2000-11-13 | 38 | 2d | - | - |
|
Unscheduled
|
2000-09-26 | 2000-10-05 | 10 | 189d | - | - |
|
Unscheduled
|
2000-03-21 | 2000-03-21 | 1 | 4d | - | - |
|
Scheduled
|
2000-02-23 | 2000-03-17 | 24 | - | 2000-02-23 | 0d |
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