Solar + storage project AH1-552, Prince George's County

Solar + storage project AH1-552, Prince George's County is a 670 MW solar + storage request in interconnection study in the PJM interconnection queue, in Prince George's County, Maryland, connecting to PEPCO.

Queue statusIn planning

PlanningQueued Mar 2025 (current stage)
Consented (not yet reached)
Construction (not yet reached)
OperatingTarget Jun 2025 (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: AH1-552
Grid region: PJM (Mid-Atlantic, Midwest)
Utility / transmission owner: PEPCO
Developer: Chalk Point Steam, LLC
Connection point (POI): Chalk Point units 1 and 2 (the retired coal plant)
Location: Prince George's County, Maryland
Technology: Solar: 670 MW · Battery
Total requested: 670 MW
Service type: Network resource (NRIS)
Study phase: System Impact Study
Queue status: Active
Entered queue: 4 March 2025
Proposed online date: June 2025

Location

Marker shows the centre of Prince George's County; the queue data does not give exact sites.

Power plants in Maryland · Transmission lines in Maryland

Other requests in Prince George's 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