Live Fleet Status

U.S. Nuclear Supply Map

Every operating reactor, sized by capacity, colored by live status. As of Sep 15, 2026.

MW Offline

1,176 MW

5.5% of fleet

Generating

20,357 MW

24 reactors

Full Outages

units at 0% power

Derated

units below 98%

Fleet Map

ISO/RTO territories

Click the map to zoom with the scroll wheel

Outage Full power Derated = below 98% · circle size = capacity (MWe) · units at a shared site are fanned apart Market offline share of each ISO/RTO's nuclear offline · hover a region for detail