Is California 2025 California Energy Code in force?

Yes. In force from Jan 1, 2026.

Which products does California 2025 California Energy Code affect?

California 2025 California Energy Code affects Commercial and utility energy storage systems and Solar PV.

When does California 2025 California Energy Code take effect?

The effective date on file is January 1, 2026.

2025 California Energy Code

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

What does California 2025 California Energy Code do? Requires solar on new single-family, multifamily, and nonresidential buildings. Requires battery storage on new high-rise multifamily and nonresidential buildings that must install solar.

Facts

Kind: Code amendment
Status: In force
Stage: In force
Signed or decided: January 1, 2026
Effective: January 1, 2026
Topics: Permitting
Products: Commercial and utility energy storage systems Solar PV
Source: California Energy Commission (opens in a new tab)
Citation: Business Meeting backup packet, Jun 11, 2025, Docket 25-BSTD-02

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