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United States › Grid › Interconnection queues › Maryland

BATTERY STORAGE · PJM

Battery storage project AI2-311, Washington County

Battery storage project AI2-311, Washington County is a 30.0 MW battery storage request in interconnection study in the PJM interconnection queue, in Washington County, Maryland, connecting to APS.

Queue statusIn planning
  1. PlanningQueued Mar 2023 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Jan 2025 (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
AI2-311
Grid region
PJM (Mid-Atlantic, Midwest)
Utility / transmission owner
APS
Connection point (POI)
Ringgold 138 kV II
Location
Washington County, Maryland
Technology
Battery: 30.0 MW
Total requested
30.0 MW
Service type
Network resource (NRIS)
Study phase
Feasibility Study
Queue status
Active
Entered queue
2 March 2023
Proposed online date
January 2025

Location

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

Power plants in Maryland · Transmission lines in Maryland

Other requests in Washington 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