United States › Grid › Interconnection queues › Virginia
BATTERY STORAGE · PJMMainspring Grid
Mainspring Grid is a 50.0 MW battery storage request withdrawn in the PJM interconnection queue, in Amherst County, Virginia, connecting to AEP.
Queue statusWithdrawn / abandoned
- PlanningQueued Sep 2020 (completed)
- Withdrawn / abandonedNov 2025 (project stopped here)
- Consented (not reached)
- Construction (not reached)
- Operating (not reached)
- Closed (not reached)
Request details
- Queue ID
- AG1-494
- Grid region
- PJM (Mid-Atlantic, Midwest)
- Utility / transmission owner
- AEP
- Developer
- Mainspring Grid, LLC
- Connection point (POI)
- Boxwood-Riverville 138 kV
- Location
- Amherst County, Virginia
- Technology
- Battery: 50.0 MW
- Total requested
- 50.0 MW
- Service type
- Network resource (NRIS)
- Study phase
- Available studies: Feasibility Study
- Queue status
- Withdrawn
- Entered queue
- 30 September 2020
- Proposed online date
- December 2023
- Withdrawn
- November 2025
Location
Marker shows the centre of Amherst County; the queue data does not give exact sites.
Other requests in Amherst County
- Amherst SolarSolar · 50.0 MW · agreement signed
- Battery storage project AI2-227, Amherst CountyBattery storage · 30.0 MW · in study
- Solar project AI2-345, Amherst CountySolar · 18.0 MW · in study
- Solar project AH2-137, Amherst CountySolar · 10.0 MW · in study
- Solar project AG1-123, Amherst CountySolar · 65.0 MW · withdrawn
- Battery storage project AG2-187, Amherst CountyBattery storage · 40.0 MW · withdrawn
- Solar + storage project AG2-605, Amherst CountySolar + storage · 37.0 MW · withdrawn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