The Office of Compliance Assistance and Enforcement leads the California Energy Commission’s efforts to ensure manufacturers and retailers comply with energy and water conservation requirements. The ...

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.

Below is a listing of the individual chapters and appendices for the 2025 Multifamily Residential Compliance Manual.

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 ...

Source: Energy Information Administration. Please note that total of foreign oil receipts to refineries may not exactly match that shown on other pages. The Petroleum Industry Information Reporting ...

California's economy depends upon affordable, reliable, and environmentally sound supplies of power generated from renewable energy, hydroelectric power, and natural gas. An increasing percentage of ...

The Huntington Beach Energy Project is a 840-megawatt (MW) facility with a 644 MW combined-cycle, 2-on-1 power block and two simple-cycle turbines that produce 200 MW. The project was certified by the ...

The California Energy Commission’s Food Production Investment Program provides grants to help food processors accelerate the adoption of advanced energy and decarbonization technologies to support ...

The California Energy Commission serves as California’s central repository for the collection and storage of data on all forms of energy supply, demand, efficiency and conservation, transportation, ...

The California Energy Commission is transforming buildings through standards and programs for newly constructed and existing buildings. Learn more about the Energy Commission’s building energy ...

The Magnolia Power Project is a 323-megawatt natural gas-fired combined-cycle electrical power generating facility located in Burbank, northwestern Los Angeles County. The project was certified by the ...

Data are key to an equitable energy transition and to bringing clean, reliable, and affordable energy to all Californians. The California Energy Planning Library ensures that key data and analyses ...