Big Rock Solar Farm

Big Rock Solar Farm is a 200 MW battery storage request with a signed interconnection agreement in the CAISO interconnection queue, in Imperial County, California, connecting to SDGE.

Queue statusConsented

PlanningQueued Apr 2015 (completed)
ConsentedJul 2023 (current stage)
Construction (not yet reached)
OperatingTarget Apr 2025 (not yet reached)
Closed (not yet reached)

Request details

Queue ID: 1166
Grid region: CAISO (California)
Utility / transmission owner: SDGE
Connection point (POI): Imperial Valley Substation 230 kV
Location: Imperial County, California
Technology: Battery: 200 MW
Total requested: 200 MW
Service type: Network resource (NRIS)
Study phase: Executed
Queue status: Active
Entered queue: 30 April 2015
Agreement signed: 24 July 2023
Proposed online date: April 2025

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