William, Here is the CA Energy Code with the upsized busbar requirements under solar / ess readiness:
https://title24energyreports.com/articles/basic-facts-changes-2022-energy-code.php Best regard Title 24: 2022 Energy Code - Basic Facts | CompuCalc<https://title24energyreports.com/articles/basic-facts-changes-2022-energy-code.php> Summary of changes and updates in the 2022 California Energy Code title24energyreports.com Lloyd Hoffstatter, M.S. Applied Solar Energy Inaugural NABCEP Cetrified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com<mailto:ll...@sunstruckconsulting.com> 845-657-8132 (office) 914-844-3404 (cell) ________________________________ From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> on behalf of William Miller via RE-wrenches <re-wrenches@lists.re-wrenches.org> Sent: Thursday, March 28, 2024 1:00 PM To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Cc: William Miller <will...@millersolar.com> Subject: [RE-wrenches] Minimum bus size, new requirements Friends: A local building official recently wrote this: This is to comply with the new codes (California Energy Code and the Nation Electric Code) that require this minimum buss rating regardless of the service size or main size. The new code allegedly requires a minimum bus rating of 225A in all new services of 200A rating or less. Do any of you know what new code this might be? Thanks in advance for your time. William Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.millersolar.com_&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=p2tHyHEAjVe2zSh4C_236V4KkHnn0z0ynUvWz0mobds&m=9uejohzp8xlaOjgzFRzK5pSkQX5Jtrq-KM0zg-kn9sGvQF-Ezmo9hA2K0hbNA1ns&s=7RIp61FIGVkUrnLeJuaaLlwwPwqGeMEQXVgB04GNECk&e=> CA Lic. 773985
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