Grid connections

Nuclear grid connections in the US

Rare Context lists 39 nuclear grid connections in the United States, with 23,752 MW of capacity between them. The largest is Joshua Falls 765 kV grid connection (PJM C01-1390) (2,300 MW).

All nuclear grid connections

Sorted by capacity. A project counts under each technology its queue entry gives it.

Grid connectionRegionHolderCapacity
Joshua Falls 765 kV grid connection (PJM C01-1390)VirginiaAppalachian Power Company2,300 MW
Rockport - Jefferson 765 kV grid connection (PJM C01-1391)IndianaIndiana Michigan Power Co2,300 MW
Rockport - Jefferson 765 kV grid connection (PJM C01-1392)IndianaIndiana Michigan Power Co2,300 MW
Rockport - Jefferson 765 kV grid connection (PJM C01-1393)IndianaIndiana Michigan Power Co2,300 MW
Sullivan 765 kV grid connection (PJM C01-1394)IndianaIndiana Michigan Power Co2,300 MW
Sullivan 765 kV grid connection (PJM C01-1395)IndianaIndiana Michigan Power Co2,300 MW
STP Unit2 High Pressure Turbine Upgrade grid connection (ERCOT 27INR0557)TexasConstellation South Texas, LLC1,337 MW
Blue Energy Center - Phase 3 – Steam Stage 2 grid connection (ERCOT 33INR0007)TexasSister 1, LLC1,320 MW
Collins 345 kV grid connection (PJM C01-1808)IllinoisNRG Tully Energy Center LLC940 MW
Three Mile Island 230 kV grid connection (PJM AH1-695 - moved to TC2)PennsylvaniaPJM Interconnection, L.L.C.859 MW
Three Mile Island 230 kV grid connection (PJM AH1-695)PennsylvaniaConstellation Energy Generation, LLC859 MW
Sporn - Muskingum 345 kV grid connection (PJM C01-1448)OhioStagg Helium LLC610 MW
Basin - Chesterfield 230 kV grid connection (PJM C01-2171)Virginia4th Power LLC425 MW
Limerick 500 kV grid connection (PJM C01-1055)PennsylvaniaConstellation Energy Generation, LLC382 MW
Ladysmith - Possum Point 500 kV grid connection (PJM C01-2157)VirginiaOklo Power LLC300 MW
Stuart - Don Marquis 345 kV grid connection (PJM C01-1734)OhioOklo Power LLC300 MW
Salem 500kV grid connection (PJM AH1-710 - moved to TC2)New JerseyPJM Interconnection, L.L.C.257 MW
Salem 500kV grid connection (PJM AH1-710)New JerseyPSEG Nuclear LLC257 MW
Perry 345 kV grid connection (PJM C01-1502)OhioVistra Nuclear Operations Company213 MW
Calvert Cliffs 500 kV grid connection (PJM C01-1262)MarylandCalvert Cliffs Nuclear Power Plant, LLC210 MW
LaSalle 345 kV grid connection (PJM C01-1260)IllinoisConstellation Energy Generation, LLC180 MW
Lasalle 345 kV grid connection (PJM AH1-714 - moved to TC2)IllinoisPJM Interconnection, L.L.C.169 MW
Lasalle 345 kV grid connection (PJM AH1-714)IllinoisConstellation Energy Generation, LLC169 MW
Don Marquis - Biers Run 345 kV grid connection (PJM C01-1730)OhioOklo Power LLC150 MW
Kyger Creek - Pierce 345 kV grid connection (PJM C01-1738)OhioOklo Power LLC150 MW
Braidwood 345 kV grid connection (PJM AH1-698 - moved to TC2)IllinoisPJM Interconnection, L.L.C.130 MW
Braidwood 345 kV grid connection (PJM AH1-698)IllinoisConstellation Energy Generation, LLC130 MW
Byron 345 kV grid connection (PJM AH1-702 - moved to TC2)IllinoisPJM Interconnection, L.L.C.88 MW
Byron 345 kV grid connection (PJM AH1-702)IllinoisConstellation Energy Generation, LLC88 MW
Davis Besse 345 kV grid connection (PJM C01-1506)OhioVistra Nuclear Operations Company80 MW
Beaver Valley 345 kV grid connection (PJM C01-1503)PennsylvaniaVistra Nuclear Operations Company70 MW
Beaver Valley 345 kV grid connection (PJM C01-1504)PennsylvaniaVistra Nuclear Operations Company70 MW
Byron Station 6 345 kV grid connection (PJM C01-1980)IllinoisConstellation Energy Generation, LLC46 MW
Peach Bottom Units #2 & #3 grid connection (PJM AB2-175)PennsylvaniaPJM Interconnection, L.L.C.44 MW
Braidwood Station 20 345 kV grid connection (PJM C01-1979)IllinoisConstellation Energy Generation, LLC42 MW
Dresden 345 kV grid connection (PJM C01-1053)IllinoisConstellation Energy Generation, LLC32 MW
Quad City 345 kV grid connection (PJM C01-1054)IllinoisConstellation Energy Generation, LLC31 MW
DC Cook 345 kV grid connection (PJM C01-1257)MichiganIndiana Michigan Power Co9.5 MW
Surry 230 kV grid connection (PJM C01-1162)VirginiaVirginia Electric and Power Company (d/b/a Dominion Energy Virginia)5.7 MW

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Every nuclear grid connection in the United States, with holders.All 39 in one file, each with its capacity and connection date. We research what the public sources leave out.

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