Substation Scout

Sammis - Star 345 kV

PJM queue ID C01-2121

Queue IDC01-2121
Project nameSammis - Star 345 kV
Status (as published)Active
SubstationSammis - Star
Point of interconnectionSammis - Star 345 kV
CountyJefferson
StateOH
Voltage345 kV
Capacity850 MW
Resource (as published)Natural Gas
Resource categoryGas (normalised for filtering)
Target commercial operation2033-03-31
Source datasetcycle

Additional filed fields

DeveloperTenaska Power Generation, LLC
Transmission OwnerATSI
Project TypeGeneration Interconnection
CycleC01
StagePhase 1
Mw Energy850.0
Mw Capacity850.0
Mfo1700.0
Submitted Date4/27/2026
Last Updated6/22/2026

Fields shown are those promoted into this dataset. The original ISO filing may contain further columns (study reports, agreement dates, milestone flags) that are retained in the pipeline but not all surfaced here. Always confirm against the ISO's published queue before relying on any value.