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
10,074 MW
100.0% of 10,074 MW installed
Fleet Availability
100.0%
nuclear generating ÷ installed
Units in Outage
0
at a full outage (0% power)
Units Derated
0
running below 98% power
Region IV

West / South-Central

Arlington, TX
100.0%
availability
10,074 MW
online of 10,074
0 MW
offline
8 units: 8 at power
Top markets
ERCOT 4,986 MW SRP 3,937 MW BPA 1,151 MW

Region Summary

RegionCoverageUnitsCapacity OnlineAvailability MW OfflineOffline / DeratedTop markets
Region IV West / South-Central 8 10,074 10,074 100.0% 0 / 0 ERCOTSRPBPA
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 IV · West / South-Central (8 units, 10,074 MW online)
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
South Texas 1 ERCOT TX 100.0% 1,300 At power
South Texas 2 ERCOT TX 100.0% 1,280 At power
Comanche Peak 1 ERCOT TX 100.0% 1,209 At power
Comanche Peak 2 ERCOT TX 100.0% 1,197 At power
Columbia Generating Station BPA WA 100.0% 1,151 At power