Alhambra · Los Angeles County · Tesla Powerwall 3 · Backup Switch
Powerwall 3 in Alhambra
A completed Alhambra battery project with a Tesla Powerwall 3, a Backup Switch, and SCE Permission to Operate.
Tesla Powerwall 3
Storage
Tesla Backup Switch
Backup equipment
SCE PTO · May 27, 2025
Utility approval
The completed battery project
OC Solar's completed-project record identifies this as a residential battery installation in Alhambra. The equipment record lists one Tesla Powerwall 3 and a Backup Switch on Southern California Edison service.
The installation was completed on April 17, 2025, and the project received SCE Permission to Operate on May 27, 2025. Customer name, street address, financial information, and energy-use data are intentionally excluded.
Stored energy for later use
Powerwall 3 can store available energy for later household use and configured backup loads. Actual backup duration and utility-bill impact depend on household consumption, reserve settings, charging source, weather, and the home's rate plan.
Representative of OC Solar's 6,373 Southern California projects & service calls. System size, equipment, and timelines vary by home; figures shown are project specifications, not guaranteed savings.
Ready to take control of your power bill?
Get a fast, honest, no-pressure estimate from a real local advisor — built from your actual roof and usage.
Already a customer? Refer a friend & get $500 · See all OC Solar reviews
Licensed, Bonded & Insured · CSLB #1023627