?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
284
Current Run
days
?
Longest recorded period of continuous operation between outages (2002-04-07 to 2003-10-06).
547
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.
3
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
89.5%
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 |
|---|---|---|---|---|---|---|
|
Scram
# 57773
|
2025-06-22 | 2025-06-25 | 4 | 80d | - | - |
|
Scheduled
|
2025-03-01 | 2025-04-03 | 34 | 477d | 2025-03-15 | -14d |
|
Unscheduled
|
2023-11-05 | 2023-11-10 | 6 | 2d | - | - |
|
Scheduled
|
2023-09-30 | 2023-11-03 | 35 | 297d | 2023-09-30 | 0d |
|
Unscheduled
|
2022-12-07 | 2022-12-07 | 1 | 241d | - | - |
|
Scheduled
|
2022-03-12 | 2022-04-10 | 30 | 483d | 2022-03-14 | -2d |
|
Scheduled
|
2020-10-03 | 2020-11-14 | 43 | 75d | 2020-10-05 | -2d |
|
Scram
# 54762
|
2020-07-06 | 2020-07-20 | 15 | 454d | - | - |
|
Scheduled
|
2019-03-11 | 2019-04-09 | 30 | 497d | 2019-03-11 | 0d |
|
Scheduled
|
2017-10-04 | 2017-10-30 | 27 | 18d | 2017-10-02 | +2d |
|
Scram
# 52960
|
2017-09-11 | 2017-09-16 | 6 | 502d | - | - |
|
Scheduled
|
2016-03-29 | 2016-04-27 | 30 | 321d | 2016-03-28 | +1d |
|
Scram
# 51065
|
2015-05-12 | 2015-05-13 | 2 | 2d | - | - |
|
Unscheduled
|
2015-05-08 | 2015-05-10 | 3 | 155d | - | - |
|
Unscheduled
|
2014-12-04 | 2014-12-04 | 1 | 2d | - | - |
|
Unscheduled
|
2014-12-01 | 2014-12-02 | 2 | 41d | - | - |
|
Scheduled
|
2014-09-22 | 2014-10-21 | 30 | 117d | 2014-09-22 | 0d |
|
Scram
# 50140
|
2014-05-26 | 2014-05-28 | 3 | 401d | - | - |
|
Scram
# 48948
|
2013-04-20 | 2013-04-20 | 1 | 14d | - | - |
|
Scheduled
|
2012-11-05 | 2013-04-06 | 153 | 339d | 2012-11-05 | 0d |
|
Unscheduled
|
2011-11-25 | 2011-12-02 | 8 | 194d | - | - |
|
Unscheduled
|
2011-05-06 | 2011-05-15 | 10 | 6d | - | - |
|
Scheduled
|
2011-03-21 | 2011-04-30 | 41 | 95d | 2011-03-19 | +2d |
|
Unscheduled
|
2010-12-10 | 2010-12-16 | 7 | 77d | - | - |
|
Unscheduled
|
2010-09-22 | 2010-09-24 | 3 | 13d | - | - |
|
Unscheduled
|
2010-09-09 | 2010-09-09 | 1 | 239d | - | - |
|
Unscheduled
|
2010-01-12 | 2010-01-13 | 2 | 41d | - | - |
|
Scheduled
|
2009-10-26 | 2009-12-02 | 38 | 378d | 2009-10-25 | +1d |
|
Unscheduled
|
2008-10-11 | 2008-10-13 | 3 | 49d | - | - |
|
Unscheduled
|
2008-08-16 | 2008-08-23 | 8 | 99d | - | - |
|
Scheduled
|
2008-03-31 | 2008-05-09 | 40 | 30d | 2008-03-30 | +1d |
|
Unscheduled
|
2008-02-27 | 2008-03-01 | 4 | 215d | - | - |
|
Unscheduled
|
2007-07-23 | 2007-07-27 | 5 | 164d | - | - |
|
Unscheduled
|
2007-02-08 | 2007-02-09 | 2 | 61d | - | - |
|
Scheduled
|
2006-10-30 | 2006-12-09 | 41 | 162d | 2006-10-30 | 0d |
|
Unscheduled
|
2006-05-19 | 2006-05-21 | 3 | 88d | - | - |
|
Unscheduled
|
2006-02-20 | 2006-02-20 | 1 | 101d | - | - |
|
Unscheduled
|
2005-10-25 | 2005-11-11 | 18 | 101d | - | - |
|
Unscheduled
|
2005-07-16 | 2005-07-16 | 1 | 4d | - | - |
|
Unscheduled
|
2005-06-27 | 2005-07-12 | 16 | 15d | - | - |
|
Scheduled
|
2005-04-11 | 2005-06-12 | 63 | 18d | 2005-04-10 | +1d |
|
Unscheduled
|
2005-03-22 | 2005-03-24 | 3 | 86d | - | - |
|
Unscheduled
|
2004-12-26 | 2004-12-26 | 1 | 223d | - | - |
|
Unscheduled
|
2004-05-15 | 2004-05-17 | 3 | 193d | - | - |
|
Scheduled
|
2003-10-06 | 2003-11-04 | 30 | 547d | 2003-10-06 | 0d |
|
Scheduled
|
2002-03-23 | 2002-04-07 | 16 | 416d | 2002-03-23 | 0d |
|
Unscheduled
|
2001-01-26 | 2001-01-31 | 6 | 96d | - | - |
|
Scheduled
|
2000-09-25 | 2000-10-22 | 28 | 243d | 2000-09-25 | 0d |
|
Unscheduled
|
2000-01-25 | 2000-01-26 | 2 | 293d | - | - |
|
Scheduled
|
1999-03-15 | 1999-04-07 | 24 | - | 1999-03-15 | 0d |
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