Calumet BESS
BetaActiveBatteryPJMLBNL + Live
20 MW storage in Cook, IL · In queue since October 2019 · Proposed COD December 2028
20 MW
Capacity
1
Components
Battery
6y 5m
In Queue
IA Executed
IA Status
COD target: 2028
Interconnection Timeline
Total Duration
9y 2m
Construction75%
Queue EntryOct 28, 2019
Interconnection request submitted to ISO/RTO
System Impact Study
PJM processes interconnection requests through multi-phase System Impact Studies (SIS).
Typical: ~48 months (historically longest)
Interconnection Agreement
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
ConstructionCurrent
Project under construction
Typical: 6–18 months
Commercial Operation
Proposed COD: 2028-12-31
Project Details
State
IL
County
Cook
Region
PJM
Developer
—
Utility
ComEd
Entity
PJM
Point of Interconnection
Calumet
Data Source
LBNL + Live
No news available for this project.