Mandatory Greenhouse Gas Emissions Reporting
This website provides information on California’s Mandatory Greenhouse Gas (GHG) Reporting program.
Last updated April 5, 2013
2011 Emissions Data Posted including individual facility and entity summary data
Final Rulemaking Approved for 2012 Amendments to the Regulation for Mandatory Reporting of GHG Emissions
Registration of Specified Facilities by Electric Power Entities was due by February 1, 2013
Reporting of greenhouse gases by major sources is required by the California Global Warming Solutions Act (AB 32, 2006). The regulation affects industrial facilities, suppliers of transportation fuels, natural gas, natural gas liquids, liquefied petroleum gas, and carbon dioxide, operators of petroleum and natural gas systems, and electricity retail providers and marketers. All GHG reports must comply with the regulatory requirements and be submitted via the Cal e-GGRT reporting system.
2012 Emissions Reporting Guidance - Training
The reporting regulation was amended during 2012, and the revisions became effective on January 1, 2013. The Final 2012 Rulemaking Package is available. The complete amended regulation has been posted.