Substation Scout

Stonewall 138 kV

PJM queue ID AG2-288

Queue IDAG2-288
Project nameStonewall 138 kV
Status (as published)Active
SubstationStonewall
Point of interconnectionStonewall 138 kV
CountyFrederick
StateVA
Voltage138 kV
Capacity150 MW
Resource (as published)Storage
Resource categoryBattery (normalised for filtering)
Target commercial operationNot reported
Source datasetcycle

Additional filed fields

DeveloperRockline Reliability Center LLC
Transmission OwnerAPS
Project TypeGeneration Interconnection
CycleTC2
StagePHASE 2
Mw Energy150.0
Mw Capacity150.0
Mfo150.0
Submitted Date3/22/2021
Last Updated5/14/2026

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.