Substation Scout

State Line - River Energy Center 138 kV

PJM queue ID AH1-673 Terminal status

Queue IDAH1-673
Project nameState Line - River Energy Center 138 kV
Status (as published)Withdrawn
SubstationState Line - River Energy Center
Point of interconnectionState Line - River Energy Center 138 kV
CountyCook
StateIL
Voltage138 kV
Capacity85 MW
Resource (as published)Storage
Resource categoryBattery (normalised for filtering)
Target commercial operation2029-06-30
Source datasetcycle

Tracked changes

1 change observed between weekly snapshots of the PJM queue since PJM tracking began on August 27, 2026. MW is nameplate as filed; for a capacity revision it is the change, not the new total.

DetectedChangeMWStatus was → now
2026-10-05 Terminal status 85 Active → Withdrawn

Full change log →

Additional filed fields

DeveloperBig Shoulders Storage LLC
Transmission OwnerComEd
Project TypeGeneration Interconnection
CycleTC2
StageDecision Point 2
Mw Energy85.0
Mw Capacity85.0
Mfo85.0
Submitted Date9/30/2020
Withdrawn Date9/30/2026
Withdrawn RemarksCMN
Last Updated7/9/2026

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.