Trolley

Trolley is a 406 MW battery storage request with a signed interconnection agreement in the CAISO interconnection queue, in San Bernardino County, California, connecting to SCE.

Queue statusConsented

PlanningQueued Apr 2021 (completed)
ConsentedOct 2025 (current stage)
Construction (not yet reached)
OperatingTarget Feb 2031 (not yet reached)
Closed (not yet reached)

Request details

Queue ID: 2032
Grid region: CAISO (California)
Utility / transmission owner: SCE
Connection point (POI): Etiwanda Substation 230 kV
Location: San Bernardino County, California
Technology: Battery: 406 MW
Total requested: 406 MW
Service type: Network resource (NRIS)
Study phase: Executed
Queue status: Active
Entered queue: 15 April 2021
Agreement signed: 2 October 2025
Proposed online date: February 2031

Location

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

Power plants in California · Transmission lines in California

Other requests in San Bernardino 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