Rockford II 138 kV
330 MW storage in Winnebago, IL · In queue since March 2025
330 MW
Capacity
0
Components
1y 2m
In Queue
—
IA Status
Total Duration
1y 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 not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
The Rockford II 138 kV project is a proposed 330 MW battery storage development in Winnebago County, Illinois. The project is located within the ComEd service area and is listed in the PJM interconnection queue as entry PJM-AH1-564, which has been moved to TC2. The queue entry date is March 12, 2025.
The project is currently listed as active in the interconnection queue. No information is available regarding the developer, proposed commercial operation date, interconnection agreement status, or links to existing operating plants. The project has appeared in recent news coverage.
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
Generation Interconnection
Data Source
Live · PJM
- 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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