Sienna

Sienna is a 133 MW solar + storage request withdrawn in the CAISO interconnection queue, in San Bernardino County, California, connecting to SCE.

Queue statusWithdrawn / abandoned

PlanningQueued Apr 2015 (completed)
Withdrawn / abandonedMar 2016 (project stopped here)
Consented (not reached)
Construction (not reached)
Operating (not reached)
Closed (not reached)

Request details

Queue ID: 1205
Grid region: CAISO (California)
Utility / transmission owner: SCE
Connection point (POI): Coolwater 115kV Substation
Location: San Bernardino County, California
Technology: Solar: 66.5 MW · Battery: 66.7 MW
Total requested: 133 MW
Service type: Network resource (NRIS)
Study phase: System Impact Study
Queue status: Withdrawn
Entered queue: 30 April 2015
Proposed online date: December 2018
Withdrawn: March 2016

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