PJM-AI1-149
250 MW storage in Mchenry, IL · In queue since September 2022 · Proposed COD July 2025
250 MW
Capacity
1
Components
Battery
3y 8m
In Queue
In Progress (unknown study)
IA Status
COD target: 2025
Total Duration
2y 10m
Schedule
10 months past proposed COD
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: 2025-07-01
PJM-AI1-149 is a proposed 250 MW battery storage project located in McHenry County, Illinois. The project is interconnected within the PJM Interconnection queue, having entered the queue on September 9, 2022, with a proposed commercial operation date of July 1, 2025. The interconnecting utility is ComEd.
The project's interconnection agreement status is listed as "In Progress (unknown study)". The point of interconnection is at the Pleasant Valley 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
Pleasant Valley 345 kV
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- N ILLINOIS HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- N ILLINOIS HUB
- POI Substation
- Pleasant Valley 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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