Hidden Knolls BESS

Hidden Knolls BESS is a 30.8 MW battery storage request in interconnection study in the CAISO interconnection queue, in Kern County, California, connecting to PGAE.

Queue statusIn planning

PlanningQueued Apr 2021 (current stage)
Consented (not yet reached)
Construction (not yet reached)
OperatingTarget Oct 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: 2018
Grid region: CAISO (California)
Utility / transmission owner: PGAE
Connection point (POI): Arco-Carneras 70 kV Line
Location: Kern County, California
Technology: Battery: 30.8 MW
Total requested: 30.8 MW
Service type: Network resource (NRIS)
Study phase: System Impact Study
Queue status: Active
Entered queue: 15 April 2021
Proposed online date: October 2028

Location

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

Power plants in California · Transmission lines in California

Other requests in Kern 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