NukeGryd
Fleet by NRC Region · live

Regions

The U.S. nuclear fleet across the NRC's four regulatory regions. As of Jul 30, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Online Now
96,434 MW
99.6% of 96,850 MW installed
Fleet Availability
99.6%
nuclear generating ÷ installed
Units in Outage
0
at a full outage (0% power)
Units Derated
4
running below 98% power
Region I

Northeast

King of Prussia, PA
99.7%
availability
20,908 MW
online of 20,977
69 MW
offline
20 units: 18 at power 2 derated
Top markets
PJM 14,298 MW ISO-NE 3,352 MW NYISO 3,326 MW
Region II

Southeast

Atlanta, GA
100.0%
availability
36,669 MW
online of 36,669
0 MW
offline
36 units: 36 at power
Top markets
TVA 8,181 MW Southern (SOCO) 8,080 MW Duke Carolinas (DUK) 7,226 MW
Region III

Midwest

Lisle, IL
98.5%
availability
20,765 MW
online of 21,079
315 MW
offline
22 units: 21 at power 1 derated
Top markets
PJM 14,826 MW MISO 6,253 MW
Region IV

West / South-Central

Arlington, TX
99.8%
availability
18,092 MW
online of 18,124
33 MW
offline
16 units: 15 at power 1 derated
Top markets
ERCOT 4,986 MW Palo Verde / SRP 3,937 MW MISO 3,862 MW

Region Summary

RegionCoverageUnitsCapacity OnlineAvailability MW OfflineOffline / DeratedTop markets
Region I Northeast 20 20,977 20,908 99.7% 69 0 / 2 PJMISO-NENYISO
Region II Southeast 36 36,669 36,669 100.0% 0 / 0 TVASouthern (SOCO)Duke Carolinas (DUK)
Region III Midwest 22 21,079 20,765 98.5% 315 0 / 1 PJMMISO
Region IV West / South-Central 16 18,124 18,092 99.8% 33 0 / 1 ERCOTPalo Verde / SRPMISO
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 I · Northeast (20 units, 20,908 MW online)
Hope Creek 1 PJM NJ 97.0% 1,172 35 Derated
FitzPatrick NYISO NY 96.0% 853 34 Derated
Peach Bottom 3 PJM PA 100.0% 1,285 At power
Nine Mile Point 2 NYISO NY 100.0% 1,272 At power
Peach Bottom 2 PJM PA 100.0% 1,265 At power
Susquehanna 1 PJM PA 100.0% 1,247 At power
Susquehanna 2 PJM PA 100.0% 1,247 At power
Seabrook 1 ISO-NE NH 100.0% 1,246 At power
Millstone 3 ISO-NE CT 100.0% 1,243 At power
Salem 1 PJM NJ 100.0% 1,146 At power
Salem 2 PJM NJ 100.0% 1,142 At power
Limerick 2 PJM PA 100.0% 1,122 At power
Limerick 1 PJM PA 100.0% 1,120 At power
Beaver Valley 1 PJM PA 100.0% 907 At power
Beaver Valley 2 PJM PA 100.0% 901 At power
Calvert Cliffs 1 PJM MD 100.0% 884 At power
Millstone 2 ISO-NE CT 100.0% 863 At power
Calvert Cliffs 2 PJM MD 100.0% 861 At power
Nine Mile Point 1 NYISO NY 100.0% 621 At power
Ginna NYISO NY 100.0% 581 At power
Region II · Southeast (36 units, 36,669 MW online)
Grand Gulf 1 MISO MS 100.0% 1,397 At power
Browns Ferry 1 TVA AL 100.0% 1,227 At power
Browns Ferry 3 TVA AL 100.0% 1,227 At power
Browns Ferry 2 TVA AL 100.0% 1,208 At power
Catawba 1 Duke Carolinas (DUK) SC 100.0% 1,160 At power
McGuire 1 Duke Carolinas (DUK) NC 100.0% 1,158 At power
McGuire 2 Duke Carolinas (DUK) NC 100.0% 1,158 At power
Vogtle 2 Southern (SOCO) GA 100.0% 1,152 At power
Catawba 2 Duke Carolinas (DUK) SC 100.0% 1,150 At power
Vogtle 1 Southern (SOCO) GA 100.0% 1,150 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
Vogtle 3 Southern (SOCO) GA 100.0% 1,114 At power
Vogtle 4 Southern (SOCO) GA 100.0% 1,114 At power
Saint Lucie 2 Florida Power & Light (FPL) FL 100.0% 987 At power
Saint Lucie 1 Florida Power & Light (FPL) FL 100.0% 981 At power
Summer Dominion SC (SCEG) SC 100.0% 977 At power
Harris 1 Duke Progress (CPLE) NC 100.0% 964 At power
North Anna 1 PJM VA 100.0% 948 At power
North Anna 2 PJM VA 100.0% 943 At power
Brunswick 1 Duke Progress (CPLE) NC 100.0% 938 At power
Brunswick 2 Duke Progress (CPLE) NC 100.0% 932 At power
Farley 2 Southern (SOCO) AL 100.0% 896 At power
Farley 1 Southern (SOCO) AL 100.0% 895 At power
Hatch 2 Southern (SOCO) GA 100.0% 883 At power
Hatch 1 Southern (SOCO) GA 100.0% 876 At power
Oconee 3 Duke Carolinas (DUK) SC 100.0% 873 At power
Oconee 2 Duke Carolinas (DUK) SC 100.0% 865 At power
Oconee 1 Duke Carolinas (DUK) SC 100.0% 862 At power
Turkey Point 4 Florida Power & Light (FPL) FL 100.0% 844 At power
Surry 1 PJM VA 100.0% 838 At power
Surry 2 PJM VA 100.0% 838 At power
Turkey Point 3 Florida Power & Light (FPL) FL 100.0% 837 At power
Robinson 2 Duke Progress (CPLE) SC 100.0% 759 At power
Region III · Midwest (22 units, 20,765 MW online)
Monticello MISO MN 49.0% 617 315 Derated
Perry 1 PJM OH 100.0% 1,240 At power
Callaway MISO MO 100.0% 1,190 At power
Braidwood 1 PJM IL 100.0% 1,183 At power
D.C. Cook 2 PJM MI 100.0% 1,168 At power
Byron 1 PJM IL 100.0% 1,164 At power
Braidwood 2 PJM IL 100.0% 1,152 At power
Fermi 2 MISO MI 100.0% 1,141 At power
Byron 2 PJM IL 100.0% 1,136 At power
LaSalle 2 PJM IL 100.0% 1,134 At power
LaSalle 1 PJM IL 100.0% 1,131 At power
Clinton MISO IL 100.0% 1,079 At power
D.C. Cook 1 PJM MI 100.0% 1,009 At power
Quad Cities 2 PJM IL 100.0% 911 At power
Quad Cities 1 PJM IL 100.0% 908 At power
Dresden 2 PJM IL 100.0% 902 At power
Dresden 3 PJM IL 100.0% 895 At power
Davis-Besse PJM OH 100.0% 894 At power
Point Beach 2 MISO WI 100.0% 597 At power
Point Beach 1 MISO WI 100.0% 589 At power
Prairie Island 1 MISO MN 100.0% 521 At power
Prairie Island 2 MISO MN 100.0% 519 At power
Region IV · West / South-Central (16 units, 18,092 MW online)
Waterford 3 MISO LA 97.0% 1,087 33 Derated
Palo Verde 2 Palo Verde / SRP AZ 100.0% 1,314 At power
Palo Verde 3 Palo Verde / SRP AZ 100.0% 1,312 At power
Palo Verde 1 Palo Verde / 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
Wolf Creek 1 SPP KS 100.0% 1,177 At power
Columbia Generating Station Bonneville (BPAT) WA 100.0% 1,151 At power
Diablo Canyon 1 CAISO CA 100.0% 1,122 At power
Diablo Canyon 2 CAISO CA 100.0% 1,118 At power
Arkansas Nuclear 2 MISO AR 100.0% 982 At power
River Bend 1 MISO LA 100.0% 968 At power
Arkansas Nuclear 1 MISO AR 100.0% 826 At power
Cooper SPP NE 100.0% 772 At power