If you have a historical URL for a CEC publication and the link no longer works, please search the Internet Archive Wayback Machine for a PDF copy. If you are unable to view or access any of our ...

David Hochschild was reappointed Chair of the California Energy Commission by Governor Gavin Newsom in 2024. He fills the environmental position on the five-member Commission where four of the five ...

** California totals may also include minor amounts from North Dakota and Gulf Coast States. Source: California Energy Commission, aggregated from Petroleum Industry Information Reporting Act data.

Building Energy Efficiency Resources for Single Family Homes Energy Efficiency Financing Opportunities Energy Efficiency Program Contact Information Energy Efficiency ...

This support request webform allows anyone to submit questions regarding the Title 20 Appliance Efficiency Regulations, the appliance certification process and database, and any other ...

The Energy Commission’s Clean Transportation Program supports innovations in a broad portfolio of transportation and fuel technologies that help California meet its energy, clean air, and climate ...

Following is a list of Power Plants Listed in alphabetical order. Please use the filters on sidebar to refine the list based on technology used by the power plant and the status of the project. 1 - ...

Below is a listing of the individual chapters and appendices for the 2025 Single-family Residential Compliance Manual. Please note that Appendix C has no content.

Our Benchmarking Resource Center offers the essential guidance you need to comply with AB802's benchmarking requirements. Access the tools and information necessary to stay compliant.

The 2025 Energy Code for single-family residential water heater alterations apply when altered or replacement service water-heating systems or components are installed and the requirements must meet ...

The Office of the Public Advisor, Energy Equity, and Tribal Affairs advises and supports the California Energy Commission (CEC), California Native American tribes, communities, and interested members ...

HVAC Systems with DDC controllers shall meet the requirements of ASHRAE Guideline 36 in accordance to 140.4(r). The programming library shall be certified to the Energy Commission as meeting the ...