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United States › Grid › Interconnection queues › Illinois

BATTERY STORAGE · PJM

Battery storage project AG2-545, Mchenry County

Battery storage project AG2-545, Mchenry County is a 400 MW battery storage request in interconnection study in the PJM interconnection queue, in Mchenry County, Illinois, connecting to ComEd.

Queue statusIn planning
  1. PlanningQueued Mar 2025 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Nov 2024 (not yet reached)
  5. Closed (not yet reached)

Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.

Request details

Queue ID
AG2-545
Grid region
PJM (Mid-Atlantic, Midwest)
Utility / transmission owner
ComEd
Developer
Monarch Grid, LLC
Connection point (POI)
Silver Lake 345 kV
Location
Mchenry County, Illinois
Technology
Battery: 400 MW
Total requested
400 MW
Service type
Network resource (NRIS)
Study phase
System Impact Study
Queue status
Active
Entered queue
6 March 2025
Proposed online date
November 2024

Location

Marker shows the centre of Mchenry County; the queue data does not give exact sites.

Power plants in Illinois · Transmission lines in Illinois

Other requests in Mchenry County

Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem