** 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.

Explore California Energy Commission programs and topics from this alphabetized listing.

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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.

To ensure the people of California receive the cost savings and environmental benefits of the California Energy Commission's (CEC) energy and water efficiency regulations, and to support a fair ...

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

This application will receive the California Energy Commission (CEC) grant funded Zero Emission Vehicle (ZEV) infrastructure data. Specifically, it accepts Program Management, Utilization, and ...

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 ...

The Sentinel Energy Center is a nominally rated 850-megawatt electrical generating facility located within unincorporated Riverside County. The project was certified by the CEC on December 1, 2010 and ...

As the Trump administration moves to expand dirty fossil fuel generation, California has added more than 30,000 megawatts of new clean energy and storage capacity since 2019, while virtually ...

California has built the nation’s largest battery energy storage fleet, with more than 21,000 megawatts of capacity to strengthen grid reliability. Batteries leverage the state’s renewable energy ...

Zero-emission vehicle (ZEV) sales remain strong and steady in California as 1 in 4 new car buyers continue to choose alternatives to gasoline-powered cars and trucks, leading the nation in ZEV ...