Battery energy storage systems are rapidly expanding and being installed in schools, hospitals, businesses and homes throughout the state. Battery storage is a key technology to help California meet our clean energy and emissions reduction goals and expand the adoption of solar, wind, and other clean energy sources.

The Contractors State License Board’s (CSLB) primary mission is to protect consumers and the public. If not installed correctly by highly-qualified and licensed electrical contractors, battery energy storage systems pose unique fire, electrical, and public safety risks to installers, consumers, utility workers, and emergency personnel.

Ambiguity in the regulations has allowed C-46 solar contractor licensees to install battery energy storage systems when paired with a solar photovoltaic (PV) system, even though these battery energy storage systems are separate electrical systems and the C-46 solar contractors do not have the electrical training or expertise required.

The CSLB is currently working to clarify who can install these systems and our industry is urging that only licensed C-10 Electrical Contractors qualify for this work. Safe installation of battery energy storage systems by qualified electrical contractors and electricians is key to protecting public safety and we are concerned the CSLB get this right to protect our tenants and our buildings from a contractor taking on work that they are not fully qualified to do.

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