NukeWorker Menu

Vogtle 4 - Status & History

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

?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
191
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2024-06-09 to 2025-03-24).
288
Record Run
days
?
Breaker-to-Breaker runs — continuous operation exceeding the cycle-adjusted threshold (552 days for this 24-month cycle unit) with no trips to 0% power.
0
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
67.4%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
1
Outages
since 2023
?
Average time from first power generation (>0%) to sustained full power (≥95% for 2+ days) across the last 2 scheduled outages.
20.5
Avg Startup
days (last 2)
?
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

?
Time in days from first power generation (>0%) to sustained full power (≥95% for 2+ consecutive days) after each scheduled refueling outage. The dashed line marks the average. Includes startup testing holds and power dips.

Startup Duration Trend

?
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
2025-09-07 2025-10-06 30 156d 2025-09-07 0d
Unscheduled
2025-03-24 2025-04-04 12 288d - -
Scram # 57164
2024-06-06 2024-06-09 4 45d - -
Unscheduled
2024-04-13 2024-04-22 10 5d - -
Unscheduled
2024-04-08 2024-04-08 1 30d - -
Unscheduled
2024-03-06 2024-03-09 4 13d - -
Scheduled
2023-08-21 2024-02-22 186 - - -
Page created in 0.013 seconds with 7 queries.