Codes of Record

California

AB 303

PartialRead in the state’s own source. It stays partial until the passage is on file word for word.

What does California AB 303 do? Proposed barring approval of projects with 200 MWh or more of battery storage within 3,200 feet of sensitive receptors or on sensitive sites. It died in committee.

Facts

Kind
Bill
Status
Did not pass
Stage
Did not pass
Topics
Fire protection and siting, Permitting
Products
Commercial and utility energy storage systems
Source
California State Assembly, Committee on Utilities and Energy (opens in a new tab)
Citation
2025 legislative summary, Nov 2025

The state’s codes

The codes that reach each product this law names, with the edition California is on. Each links to the record.

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use