Tioga Pass

Tioga Pass is a 103 MW battery storage request in interconnection study in the CAISO interconnection queue, in San Joaquin County, California, connecting to PGAE.

Queue statusIn planning

PlanningQueued Apr 2023 (current stage)
Consented (not yet reached)
Construction (not yet reached)
OperatingTarget Jan 2028 (not yet reached)
Closed (not yet reached)

Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.

Request details

Queue ID: 2231
Grid region: CAISO (California)
Utility / transmission owner: PGAE
Connection point (POI): LOCKEFORD 115 kV
Location: San Joaquin County, California
Technology: Battery: 103 MW
Total requested: 103 MW
Service type: Network resource (NRIS)
Study phase: Caiso Cluster 15 Unvalidated
Queue status: Active
Entered queue: 17 April 2023
Proposed online date: January 2028

Location

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

Power plants in California · Transmission lines in California

Other requests in San Joaquin 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