U.S. Nuclear Fleet · National
Supply Dashboard
As of Jun 16, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Today's Setup
the board in one read457 MW of U.S. nuclear is offline (0.5% of the fleet), down 800 MW from yesterday. Henry Hub gas is $3.10/MMBtu (normal). The grid looks tight tomorrow in SPP (and 1 other ISO) on the demand forecast, where any nuclear loss would bite hardest. Next outage: McGuire 1 (Duke Carolinas (DUK), 1,158 MW) on Sep 5.
MW Offline Today
457 MW
▼ 800 MW returned vs. yesterday
% of Fleet Offline
0.5%
457 of 96,850 MW installed
Generating Now
96,393 MW
99.5% of installed capacity online
Units Reporting
94
Operating reactors in the daily status report
National MW Offline
Top Outages by MW Impact
| Unit | Region | Power | MW Offline |
|---|---|---|---|
| Fermi 2 | MISO | 83% | 194 |
| Peach Bottom 3 | PJM | 90% | 128 |
| Saint Lucie 2 | Florida Power & Light (FPL) | 93% | 69 |
| Waterford 3 | MISO | 94% | 65 |
Next 7 Days
No outages begin in the next 7 days.
Next: McGuire 1 on Sep 5 Scheduled
From the published schedule where available, model projection beyond.
Seasonal Comparison
MW offline by time of year, last 4 yearsSpring and fall refueling peaks repeat every year. This is where the supply swings live.