Big Horn Energy Storage

Big Horn Energy Storage is a 425 MW battery storage request withdrawn in the CAISO interconnection queue, in Imperial County, California, connecting to SDGE.

Queue statusWithdrawn / abandoned

PlanningQueued Apr 2020 (completed)
Withdrawn / abandonedFeb 2024 (project stopped here)
Consented (not reached)
Construction (not reached)
Operating (not reached)
Closed (not reached)

Request details

Queue ID: 1827
Grid region: CAISO (California)
Utility / transmission owner: SDGE
Connection point (POI): Imperial Valley Substation 230kV
Location: Imperial County, California
Technology: Battery: 425 MW
Total requested: 425 MW
Service type: Network resource (NRIS)
Study phase: Feasibility Study
Queue status: Withdrawn
Entered queue: 15 April 2020
Proposed online date: July 2024
Withdrawn: February 2024

Location

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

Power plants in California · Transmission lines in California

Other requests in Imperial 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