United States › Grid › Interconnection queues › Connecticut
BATTERY STORAGE · ISO-NEBattery Storage Addition
Battery Storage Addition is a 284 MW battery storage request withdrawn in the ISO-NE interconnection queue, in Middlesex County, Connecticut.
Queue statusWithdrawn / abandoned
- PlanningQueued May 2023 (completed)
- Withdrawn / abandonedOct 2025 (project stopped here)
- Consented (not reached)
- Construction (not reached)
- Operating (not reached)
- Closed (not reached)
Request details
- Queue ID
- 1394
- Grid region
- ISO-NE (New England)
- Connection point (POI)
- POI between 10F-2T-2 and 10F-1T-1 breakers on the 345 kV bus; Northeast Utilities 11631 Substation - Middletown.
- Location
- Middlesex County, Connecticut
- Technology
- Battery: 284 MW
- Total requested
- 284 MW
- Service type
- Network resource (NRIS)
- Queue status
- Withdrawn
- Entered queue
- 4 May 2023
- Proposed online date
- July 2026
- Withdrawn
- October 2025
Location
No county location in the queue data.
Power plants in Connecticut · Transmission lines in Connecticut
Other requests in Middlesex County
- Kleen Energy ProjectGas · 620 MW · built
- Utc - P&WaGas · 7.5 MW · built
- Simple Cycle Combustion Turbine Repowering (alternative to Q647)Gas · 378 MW · withdrawn
- Gas Turbine RepoweringGas · 378 MW · withdrawn
- Battery StorageBattery storage · 305 MW · withdrawn
- Battery StorageBattery storage · 289 MW · withdrawn
- Gas TurbineGas · 82.2 MW · withdrawn
- Battery StorageBattery storage · 80.9 MW · withdrawn
- Gas turbine repowering (Alt. to Q647)Gas · 23.0 MW · withdrawn
- Gas turbine repoweringGas · 23.0 MW · withdrawn
- EE CT DER Group StudyBattery storage · 20.0 MW · withdrawn
- Battery StorageBattery storage · 10.0 MW · withdrawn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