Prairie 345 kV
150 MW generation in McHenry, IL · In queue since March 2025
150 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 Prairie 345 kV project is a proposed 150 MW solar generation project located in McHenry County, Illinois. The project is in the PJM interconnection queue as entry PJM-AH1-196, which was moved to TC2. The queue entry date is March 3, 2025.
The project is listed as active in the queue. It is in the service territory of ComEd. The Prairie 345 kV project has been mentioned in recent news coverage.
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
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.
Last updated 2026-03-26
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