Twin Palms Solar

Twin Palms Solar is a 576 MW solar + storage request with a signed interconnection agreement in the CAISO interconnection queue, in Riverside County, California, connecting to SCE.

Queue statusConsented

PlanningQueued Apr 2021 (completed)
ConsentedJun 2025 (current stage)
Construction (not yet reached)
OperatingTarget Jul 2030 (not yet reached)
Closed (not yet reached)

Request details

Queue ID: 2048
Grid region: CAISO (California)
Utility / transmission owner: SCE
Connection point (POI): Colorado River Substation 230 kV
Location: Riverside County, California
Technology: Solar: 288 MW · Battery: 288 MW
Total requested: 576 MW
Service type: Network resource (NRIS)
Study phase: Executed
Queue status: Active
Entered queue: 15 April 2021
Agreement signed: 3 June 2025
Proposed online date: July 2030

Location

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

Power plants in California · Transmission lines in California

Other requests in Riverside 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