Nighthawk Storage

Nighthawk Storage is a 300 MW battery storage request with a signed interconnection agreement in the CAISO interconnection queue, in San Diego County, California, connecting to SDGE.

Queue statusConsented

PlanningQueued Apr 2019 (completed)
ConsentedJul 2021 (current stage)
Construction (not yet reached)
OperatingTarget Mar 2026 (not yet reached)
Closed (not yet reached)

Request details

Queue ID: 1673
Grid region: CAISO (California)
Utility / transmission owner: SDGE
Connection point (POI): Sycamore Canyon Substation 138 kV
Location: San Diego County, California
Technology: Battery: 300 MW
Total requested: 300 MW
Service type: Network resource (NRIS)
Study phase: Executed
Queue status: Active
Entered queue: 15 April 2019
Agreement signed: 15 July 2021
Proposed online date: March 2026

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