United States › Grid › Interconnection queues › Virginia
BATTERY STORAGE · PJMBattery 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
- PlanningQueued Apr 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- Operating (not yet reached)
- 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.
Other requests in Loudoun County
- New Road StorageBattery storage · 120 MW · agreement signed
- Dulles Solar and BESSSolar · 100 MW · agreement signed
- Dulles Solar and BESSBattery storage · 50.0 MW · agreement signed
- Evergreen Energy CenterBattery storage · 20.0 MW · in study
- Stonewall Energy ParkGas · 800 MW · built
- Battery storage project AG1-534, Loudoun CountyBattery storage · 200 MW · withdrawn
- Battery storage project AG2-287, Loudoun CountyBattery storage · 150 MW · withdrawn
- Battery storage project AG1-020, Loudoun CountyBattery storage · 150 MW · withdrawn
- Battery storage project AG2-285, Loudoun CountyBattery storage · 150 MW · withdrawn
- Battery storage project AG2-323, Loudoun CountyBattery storage · 100 MW · withdrawn
- Battery storage project AG2-325, Loudoun CountyBattery storage · 100 MW · withdrawn
- Battery storage project AH1-729, Loudoun CountyBattery storage · 100 MW · withdrawn
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