Calumet BESS
20 MW storage in Cook, IL · In queue since October 2019 · Proposed COD December 2028
20 MW
Capacity
1
Components
Battery
6y 7m
In Queue
IA Executed
IA Status
COD target: 2028
Total Duration
9y 2m
Interconnection request submitted to ISO/RTO
PJM processes interconnection requests through multi-phase System Impact Studies (SIS).
Typical: ~48 months (historically longest)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2028-12-31
The Calumet BESS project is a proposed 20 MW battery storage project located in Cook County, Illinois. It is interconnected to the ComEd utility and is listed in the PJM interconnection queue as entry PJM-AF2-031, with a queue entry date of October 28, 2019. The project's proposed commercial operation date is December 31, 2028, and its interconnection agreement has been executed.
The development project consists solely of battery storage, with a total capacity of 20 MW. The point of interconnection is the Calumet substation.
Generated from interconnection queue and public data sources
State
IL
County
Cook
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
ComEd
Entity
PJM
Service Type
—
Point of Interconnection
Calumet
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- N ILLINOIS HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- 955 RIVE16 KV RV-1
- POI Substation
- Calumet Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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