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Oconee 2 - Status & History

Comprehensive reactor performance metrics, cycle analysis, and historical outage data.

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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

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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

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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

Scheduled
2025-10-28 2025-11-25 29 707d 2025-11-01 -4d
Scheduled
2023-10-28 2023-11-21 25 609d 2023-10-28 0d
Scram # 55733
2022-02-05 2022-02-26 22 55d - -
Scram # 55638
2021-12-10 2021-12-12 3 3d - -
Scheduled
2021-11-13 2021-12-07 25 703d 2021-10-16 +28d
Scheduled
2019-11-09 2019-12-11 33 714d 2019-10-28 +12d
Scheduled
2017-10-28 2017-11-25 29 717d 2017-10-28 0d
Scheduled
2015-10-17 2015-11-11 26 82d 2015-10-17 0d
Unscheduled
2015-07-27 2015-07-27 1 285d - -
Unscheduled
2014-10-14 2014-10-15 2 314d - -
Scheduled
2013-10-12 2013-12-04 54 695d 2013-10-12 0d
Scheduled
2011-10-22 2011-11-17 27 507d 2011-10-22 0d
Unscheduled
2010-05-31 2010-06-02 3 2d - -
Scheduled
2010-04-25 2010-05-29 35 500d 2010-04-24 +1d
Scheduled
2008-10-25 2008-12-11 48 207d 2008-10-25 0d
Unscheduled
2008-04-01 2008-04-01 1 307d - -
Scheduled
2007-04-28 2007-05-30 33 70d 2007-04-27 +1d
Unscheduled
2007-02-16 2007-02-17 2 305d - -
Unscheduled
2006-04-13 2006-04-17 5 136d - -
Scheduled
2005-10-22 2005-11-28 38 496d 2005-10-21 +1d
Scheduled
2004-03-20 2004-06-13 86 484d 2004-03-19 +1d
Scheduled
2002-10-12 2002-11-22 42 501d 2002-10-12 0d
Scheduled
2001-04-26 2001-05-29 34 489d 2001-04-26 0d
Unscheduled
1999-12-24 1999-12-24 1 2d - -
Unscheduled
1999-12-22 1999-12-22 1 7d - -
Scheduled
1999-11-04 1999-12-15 42 135d 1999-11-04 0d
Unscheduled
1999-06-20 1999-06-22 3 110d - -
Unscheduled
1999-03-01 1999-03-02 2 3d - -
Unscheduled
1999-02-24 1999-02-26 3 - - -
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