Fullerton · Orange County · 2 Tesla Powerwall 3 units · Backup Switch
Dual Powerwall 3 in Fullerton
A completed Fullerton battery project with two Tesla Powerwall 3 units, a Backup Switch, and SCE Permission to Operate.
2 Tesla Powerwall 3 units
Storage
Tesla Backup Switch
Backup equipment
SCE PTO · Jun. 9, 2025
Utility approval
The completed battery project
OC Solar's completed-project record identifies this as a residential battery installation in Fullerton. The equipment record lists two Tesla Powerwall 3 units and a Backup Switch on Southern California Edison service.
The installation was completed on March 12, 2025, and the project received SCE Permission to Operate on June 9, 2025. Customer name, street address, financial information, and energy-use data are intentionally excluded.
Why a two-battery configuration matters
Two Powerwall 3 units provide more stored energy and discharge capability than a single unit. That can support a larger configured backup plan or shift more household energy away from SCE's evening period, although actual performance depends on home loads, reserve settings, and system configuration.
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.
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Licensed, Bonded & Insured · CSLB #1023627