The 2019 Building Energy Efficiency Standards improve upon the 2016 Energy Standards for new construction of, and additions and alterations to, residential and nonresidential buildings. Buildings permitted on or after January 1, 2020, must comply with the 2019 Standards. The California Energy Commission updates the standards every three years.

Supporting Content

News Release: 2019 Building Standards Adoption

The California Energy Commission adopted building standards that require solar photovoltaic systems starting in 2020.

Online Resource Center

Documents and training information to help building communities and enforcement agencies comply with the Building Energy Efficiency Standards.

Contact

Building Energy Efficiency Standards - Title 24

Toll-free in California: 800-772-3300
Outside California: 916-654-5106

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Building Energy Efficiency Standards
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