PJM-AH2-121
100 MW storage in Mchenry, IL · In queue since February 2022 · Proposed COD December 2028
100 MW
Capacity
1
Components
Battery
4y 3m
In Queue
In Progress (unknown study)
IA Status
COD target: 2028
Total Duration
6y 10m
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: 2028-12-01
PJM-AH2-121 is a proposed 100 MW battery storage project located in McHenry County, Illinois. The project, interconnected within the ComEd service area, entered the PJM interconnection queue on February 26, 2022, with a proposed commercial operation date of December 1, 2028. Its interconnection agreement status is currently listed as "In Progress (unknown study)".
The development project consists of a single 100 MW battery component. The point of interconnection is the Garden Prairie 345 kV substation.
Generated from interconnection queue and public data sources
State
IL
County
Mchenry
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
ComEd
Entity
PJM
Service Type
—
Point of Interconnection
Garden Prairie 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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