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United States › Grid › Interconnection queues › Virginia

BATTERY STORAGE · PJM

Battery storage project AH1-727, Loudoun County

Battery storage project AH1-727, Loudoun County is a 425 MW battery storage request in interconnection study in the PJM interconnection queue, in Loudoun County, Virginia, connecting to Dominion.

Queue statusIn planning
  1. PlanningQueued Apr 2025 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. Operating (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
AH1-727
Grid region
PJM (Mid-Atlantic, Midwest)
Utility / transmission owner
Dominion
Developer
Cardinal Energy Storage East, LLC
Connection point (POI)
Brambleton-Goose Creek 500kV
Location
Loudoun County, Virginia
Technology
Battery: 425 MW
Total requested
425 MW
Service type
Network resource (NRIS)
Study phase
System Impact Study
Queue status
Active
Entered queue
10 April 2025

Location

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

Power plants in Virginia · Transmission lines in Virginia

Other requests in Loudoun 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