NukeGryd
Fleet by NRC Region · updated daily

Regions

The U.S. nuclear fleet across the NRC's four regulatory regions. As of Sep 16, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Online Now
12,715 MW
90.4% of 14,066 MW installed
Fleet Availability
90.4%
nuclear generating ÷ installed
Units in Outage
1
at a full outage (0% power)
Units Derated
1
running below 98% power
Region II

Southeast

Atlanta, GA
85.0%
availability
6,953 MW
online of 8,181
1,227 MW
offline
7 units: 6 at power 1 in outage
Top markets
TVA 8,181 MW
Region IV

West / South-Central

Arlington, TX
97.9%
availability
5,762 MW
online of 5,885
123 MW
offline
5 units: 4 at power 1 derated
Top markets
SRP 3,937 MW SPP 1,948 MW

Region Summary

RegionCoverageUnitsCapacity OnlineAvailability MW OfflineOffline / DeratedTop markets
Region II Southeast 7 8,181 6,953 85.0% 1,227 1 / 0 TVA
Region IV West / South-Central 5 5,885 5,762 97.9% 123 0 / 1 SRPSPP
NRC regions are administrative areas of the U.S. Nuclear Regulatory Commission, derived here from each plant's state. Availability = generating MW ÷ installed MW.

Fleet by Region

Every reporting unit, grouped by region, biggest supply loss first
UnitMarketStatePowerCapacityMW offlineStatus
Region II · Southeast (7 units, 6,953 MW online)
Browns Ferry 1 TVA AL 0.0% 1,227 1,227 Outage
Browns Ferry 3 TVA AL 100.0% 1,227 At power
Browns Ferry 2 TVA AL 100.0% 1,208 At power
Sequoyah 1 TVA TN 100.0% 1,148 At power
Sequoyah 2 TVA TN 100.0% 1,126 At power
Watts Bar 1 TVA TN 100.0% 1,123 At power
Watts Bar 2 TVA TN 100.0% 1,122 At power
Region IV · West / South-Central (5 units, 5,762 MW online)
Cooper SPP NE 84.0% 772 123 Derated
Palo Verde 2 SRP AZ 100.0% 1,314 At power
Palo Verde 3 SRP AZ 100.0% 1,312 At power
Palo Verde 1 SRP AZ 100.0% 1,311 At power
Wolf Creek 1 SPP KS 100.0% 1,177 At power