Building Decarbonization

Building decarbonization refers to activities and programs that reduce greenhouse gas emissions from buildings.

California Transmission System

California's transmission system facilitates the transition to a clean energy future.

Energy Assessments

California has some of the most ambitious climate and energy goals in the world.

Energy Efficiency

California Energy Commission adopts energy efficiency standards for appliances and buildings, which reduces air pollution and saves consumers money.

Energy Research and Development

Learn more about the California Energy Commission’s research, development and demonstration programs.

Equity and Diversity

The Energy Commission is committed to ensuring that all Californians enjoy the benefits of cleaner, more efficient energy.


Acceptance Test Technician Certification Provider Program - ATTCP

The program ensures that lighting control and mechanical contractors comply with the Energy Standards in nonresidential buildings.

Appliance Efficiency Program: Outreach and Education

Fact sheets, frequently asked questions, and training tools about the appliance efficiency requirements (Title 20).

Bright Schools Program

A wide range of technical assistance for California K-12 public school districts.

Building Energy Benchmarking Program

Reporting building characteristics and energy use data, known as benchmarking, is required for certain types of commercial and multifamily buildings.

Building Energy Efficiency Standards

Transforming California's buildings through standards for newly constructed buildings and alterations and additions to existing buildings.

Building Initiative for Low-Emissions Development Program - BUILD

Building Initiative for Low-Emissions Development (BUILD) Program is building decarbonization program.