City project
Trolley Battery Energy Storage System
Battery-energy-storage system proposed for joint procurement to support City power resources.
- Current status
- City Council approved the third-phase agreement; staff said the standalone battery-storage agreement was executed and is moving forward.
- Location
- San Bernardino County
October 1, 2025 update: Council approval and project continuation
Staff reported that City Council approved the third-phase agreement. Staff clarified that the project remains active and is distinct from separate solar-plus-storage power-purchase agreements that did not proceed.
Read related coverageSeptember 15, 2025: Council authorizes 50 MW participation
Council authorized the Third Phase Agreement for Palo Alto's 50 MW share. The contract term is 20 years beginning in 2029.
Read related coverageApril 7, 2025 procurement update
A council update reported that joint procurement of the battery-energy-storage resource is being negotiated.
Read related coverage