Ace

Ace is a 304 MW battery storage request withdrawn in the CAISO interconnection queue, in Alameda County, California, connecting to PGAE.

Queue statusWithdrawn / abandoned

PlanningQueued Apr 2023 (completed)
Withdrawn / abandonedDec 2025 (project stopped here)
Consented (not reached)
Construction (not reached)
Operating (not reached)
Closed (not reached)

Request details

Queue ID: 2276
Grid region: CAISO (California)
Utility / transmission owner: PGAE
Connection point (POI): TESLA 230 kV
Location: Alameda County, California
Technology: Battery: 304 MW
Total requested: 304 MW
Service type: Network resource (NRIS)
Study phase: Caiso Cluster 15 Unvalidated
Queue status: Withdrawn
Entered queue: 17 April 2023
Proposed online date: June 2030
Withdrawn: December 2025

Location

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

Power plants in California · Transmission lines in California

Other requests in Alameda 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