PJM-AH1-564
250 MW storage in Winnebago, IL · In queue since September 2021 · Proposed COD June 2025
250 MW
Capacity
1
Components
Battery
4y 8m
In Queue
In Progress (unknown study)
IA Status
COD target: 2025
Total Duration
3y 9m
Schedule
11 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: 2025-06-01
PJM-AH1-564 is a proposed 250 MW battery storage project located in Winnebago County, Illinois. The project is interconnected within the PJM Interconnection queue, having entered the queue on September 10, 2021, with a proposed commercial operation date of June 1, 2025. The interconnecting utility is ComEd, and the point of interconnection is the Rockford II 138 kV substation. The interconnection agreement status is currently listed as "In Progress (unknown study)".
The development project consists solely of battery storage, with a total capacity of 250 MW. The developer is not specified in the queue data. There is no indication of recent news coverage or a link to an existing operating plant in the data provided.
Generated from interconnection queue and public data sources
State
IL
County
Winnebago
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
ComEd
Entity
PJM
Service Type
—
Point of Interconnection
Rockford II 138 kV
Data Source
LBNL
- ISO / RTO
- PJM
- Trading Hub
- N ILLINOIS HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- 952 ROCK16 KV RO11
- POI Substation
- Nrg Rockford Ii Energy Center
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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