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BATTERY STORAGE · PJMBattery storage project AH1-725, Harford County
Battery storage project AH1-725, Harford County is a 500 MW battery storage request in interconnection study in the PJM interconnection queue, in Harford County, Maryland, connecting to BGE.
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
- AH1-725
- Grid region
- PJM (Mid-Atlantic, Midwest)
- Utility / transmission owner
- BGE
- Developer
- Cardinal Energy Storage East, LLC
- Connection point (POI)
- Conastone 500 kV
- Location
- Harford County, Maryland
- Technology
- Battery: 500 MW
- Total requested
- 500 MW
- Service type
- Network resource (NRIS)
- Study phase
- System Impact Study
- Queue status
- Active
- Entered queue
- 9 April 2025
Location
Marker shows the centre of Harford County; the queue data does not give exact sites.
Other requests in Harford County
- Perryman 6 Units 1-4Gas · 130 MW · built
- ConowingoHydro · 36.0 MW · built
- Conowingo Hydro StationHydro · 24.0 MW · built
- Fairview Farms ISolar · 15.0 MW · built
- Fairview Farms IISolar · 15.0 MW · built
- Perryman 51Coal · 10.0 MW · built
- Perryman Generating Unit 51Gas · 10.0 MW · built
- Kingsville SolarSolar · 1.1 MW · built
- Gas project B29, Harford CountyGas · 750 MW · withdrawn
- Gas project A47, Harford CountyGas · 740 MW · withdrawn
- Gas project C12, Harford CountyGas · 550 MW · withdrawn
- Gas project C13, Harford CountyGas · 550 MW · withdrawn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