PJM-AI1-023
200 MW storage in Mclean, IL · In queue since April 2022 · Proposed COD December 2026
200 MW
Capacity
1
Components
Battery
4y 1m
In Queue
In Progress (unknown study)
IA Status
COD target: 2026
Total Duration
4y 8m
Interconnection request submitted to ISO/RTO
PJM processes interconnection requests through multi-phase System Impact Studies (SIS).
Typical: ~48 months (historically longest)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-12-15
PJM-AI1-023 is a proposed 200 MW battery storage project located in Mclean County, Illinois. The project is interconnected within the PJM Interconnection queue, having entered the queue on April 1, 2022, with a proposed commercial operation date of December 15, 2026. The project's interconnection agreement status is listed as "In Progress (unknown study)".
The project, which is located within the ComEd service territory, consists of 200 MW of battery storage. The point of interconnection is the Twin Groves 345 kV substation.
Generated from interconnection queue and public data sources
State
IL
County
Mclean
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
ComEd
Entity
PJM
Service Type
—
Point of Interconnection
Twin Groves 345 kV
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- N ILLINOIS HUB
- Hub Confidence
- MEDIUM
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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