Spring 2027 outage schedule is now open: 30 refueling outages scheduled

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Early access to the Spring 2027 U.S. nuclear refueling outage schedule is now open on NukeWorker.

30 refueling outages are scheduled for Spring 2027, totaling 1,129 reactor-days of planned offline time across the fleet (average 37.6 days each).

Scheduled durations range from 17 to 116 days.

For comparison, Spring 2026 had 34 refueling outages totaling 1,194 reactor-days (-4 outages year over year).

Across the U.S. fleet of 94 commercial reactors, today's combined capacity factor is 85.5% (10 units currently refueling, 3 units in unscheduled outages), below the 88.0% baseline for this month over the past five years.

The chart above shows every scheduled outage for the season with unit names hidden. To see which units are out, when each outage is scheduled to start, and how long it runs, open the Spring 2027 schedule.

Want the full picture? Subscribe to the NukeWorker outage schedule for every current and upcoming U.S. nuclear outage.

Sources: NRC Daily Reactor Power Status reports, validated outage schedules, and NukeWorker's projections.