The 2025 standards will go into effect on January 1, 2026. These standards will continue to improve upon the 2022 standards for new construction of—and additions and alterations to—residential and nonresidential buildings.
Please send any comments regarding CASE Reports to [email protected].
The Statewide Codes and Standards Enhancement (CASE) Team periodically distributes email notifications that promote upcoming meetings, provide materials from past meetings, and update stakeholders on the progression of the California Energy Commission (CEC)’s rulemaking process. You can choose to receive measure-specific and/or general updates on these topics depending on your needs.
