Standards Documents and Forms

2028 Building Energy Efficiency Standards

Learn about workshops for the 2028 Building Energy Efficiency Standards pre-rulemaking.

2025 Building Energy Efficiency Standards

The 2025 Building Energy Efficiency Standards will go into effect January 1, 2026. Find compliance manuals, forms, software, and supporting content.

2022 Building Energy Efficiency Standards

The 2022 Building Energy Efficiency Standards took effect January 1, 2023. Find compliance manuals, forms, software, and supporting content.

2019 Building Energy Efficiency Standards

The 2019 Building Energy Efficiency Standards took effect January 1, 2020. Find compliance manuals, forms, software, and supporting content.

Upcoming Events

June 10, 2026 | 08:00 AM - 05:30 PM
In-Person Only | Registration Required
Registration is closed. Please email CECElectrificationSummit@energy.ca.gov if you plan to attend and have not yet registered.
June 23, 2026 | 09:00 AM - 04:00 PM
Remote Access Only
The California Energy Commission (CEC) will host three days of staff workshops to engage the public regarding development of the 2028 Energy Code.
June 24, 2026 | 09:00 AM - 04:00 PM
Remote Access Only
The California Energy Commission (CEC) will host three days of staff workshops to engage the public regarding development of the 2028 Energy Code.
June 25, 2026 | 09:00 AM - 04:00 PM
Remote Access Only
The California Energy Commission (CEC) will host three days of staff workshops to engage the public regarding development of the 2028 Energy Code.

Successes in Energy Efficiency

The state’s Building Energy Efficiency Standards have saved Californians billions of dollars in reduced electricity bills. They conserve nonrenewable resources, such as natural gas, and ensure renewable resources are extended as far as possible so power plants do not need to be built. Learn more in the Energy Almanac about how far we’ve come-and need to go-on the road toward a more resilient, affordable, equitable, and environmentally sustainable energy system.”