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BATTERY STORAGE · CAISOTumey Hills Energy Storage
Tumey Hills Energy Storage is a 216 MW battery storage request withdrawn in the CAISO interconnection queue, in Fresno County, California, connecting to PG&E.
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- Withdrawn / abandonedDec 2025 (project stopped here)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
- 2337
- Grid region
- CAISO (California)
- Utility / transmission owner
- PG&E
- Connection point (POI)
- MANNING 500 kV
- Location
- Fresno County, California
- Technology
- Battery: 216 MW
- Total requested
- 216 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- Withdrawn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- Withdrawn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 Fresno County; the queue data does not give exact sites.
Power plants in California · Transmission lines in California
Other requests in Fresno County
- DardenSolar + storage · 2,365 MW · agreement signed
- ScarletSolar + storage · 800 MW · agreement signed
- Cornucopia HybridSolar + storage · 605 MW · agreement signed
- Lock StorageBattery storage · 508 MW · agreement signed
- ElysianSolar + storage · 412 MW · agreement signed
- ClarksonSolar + storage · 408 MW · agreement signed
- SonrisaSolar + storage · 384 MW · agreement signed
- Luna Valley SolarSolar + storage · 373 MW · agreement signed
- Key Storage 1Battery storage · 309 MW · agreement signed
- Ciervo Mountain HybridSolar + storage · 255 MW · agreement signed
- Midway PeakingGas · 240 MW · agreement signed
- Heartland 2Solar + storage · 228 MW · agreement signed
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