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BATTERY STORAGE · CAISOOff Stream Water Storage
Off Stream Water Storage is a 68.9 MW battery storage request in interconnection study in the CAISO interconnection queue, in Colusa County, California, connecting to PGAE.
Queue statusIn planning
- PlanningQueued Apr 2023 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Apr 2030 (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
- 2357
- Grid region
- CAISO (California)
- Utility / transmission owner
- PGAE
- Connection point (POI)
- DELEVAN-CORTINA
- Location
- Colusa County, California
- Technology
- Other Storage: 68.9 MW
- Total requested
- 68.9 MW
- Service type
- Energy only (ERIS)
- Study phase
- Caiso Cluster 15 Unvalidated
- Queue status
- Active
- Entered queue
- 17 April 2023
- Proposed online date
- April 2030
Location
Marker shows the centre of Colusa County; the queue data does not give exact sites.
Power plants in California · Transmission lines in California
Other requests in Colusa County
- Descendant Ranch 1Solar + storage · 1,024 MW · agreement signed
- JanusSolar + storage · 164 MW · agreement signed
- Saloon Energy StorageBattery storage · 150 MW · agreement signed
- CowboySolar + storage · 312 MW · in study
- CPV ColusaGas · 715 MW · built
- Descendant Ranch 2Solar + storage · 1,024 MW · withdrawn
- Greasewood HybridSolar + storage · 494 MW · withdrawn
- Ranchero SolarSolar + storage · 450 MW · withdrawn
- Beauchamp 2 SolarSolar + storage · 225 MW · withdrawn
- Williams Energy CenterGas · 200 MW · withdrawn
- Cowboy HybridSolar + storage · 156 MW · withdrawn
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