Fall 2026 Outage Data

Benchmark historical performance across a quarter-century of fleet-wide reactor data. Track long-term maintenance trends, refueling cycles, and realized generation impacts from 2000 to the present.

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Data Archive
This timeline maps 1 reactor outage across the US fleet for Fall 2026. That includes 1 unplanned outage. The longest ran 4 days at Fermi 2 and 1 reactor is offline right now.

Gantt Chart Timeline

Unit
Jul
Aug
Sep
Oct
Nov
Dec
Fermi 2 1,141 MW
Updated Jul 7, 20267/7/26 · 5:01 AM
Actual
Unscheduled
Utility Schedule
Projected Extension
Forced Outage Projection

Detailed Schedule

The table below lists each outage with its exact start date, end date, and duration. The Projected Extension column is NukeWorker's estimate of how many extra days an outage may run beyond its scheduled or logged length.
Unit Type Start Date End Date Duration Projected Extension Context
Fermi 2 Unscheduled Jul 4, 2026 Ongoing 4 days+ ~9d (Typical +ML) -
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