Helix Storage

Helix Storage is a 81.6 MW battery storage request withdrawn in the CAISO interconnection queue, in San Diego County, California, connecting to SDGE.

Queue statusWithdrawn / abandoned

PlanningQueued Apr 2021 (completed)
Withdrawn / abandonedAug 2021 (project stopped here)
Consented (not reached)
Construction (not reached)
Operating (not reached)
Closed (not reached)

Request details

Queue ID: 2183
Grid region: CAISO (California)
Utility / transmission owner: SDGE
Connection point (POI): Spring Valley Substation 69 kV
Location: San Diego County, California
Technology: Battery: 81.6 MW
Total requested: 81.6 MW
Service type: Network resource (NRIS)
Study phase: Feasibility Study
Queue status: Withdrawn
Entered queue: 15 April 2021
Proposed online date: November 2025
Withdrawn: August 2021

Location

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

Power plants in California · Transmission lines in California

Other requests in San Diego 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