Mandatory Greenhouse Gas Emissions Reporting
Information on California’s Mandatory Greenhouse Gas (GHG) Reporting program.
Last updated October 7, 2014
Regulatory Advisory (8/8/14): Verification Deadline Extension for certain Electric Power Entities
Power Entities (EPEs) - Updated Specified Source Emission Factors:
Certain specified source emission factors have been updated using U.S.
EPA greenhouse gas emissions data.
- Specified Source Emission Factor Revisions Summary
- Revised Emission Factors and Updates to Workbook 1
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.
5 Workshop: Potential Amendments to the Mandatory
Reporting and Cost
of Implementation Fee Regulations
- Presentation (updated 6/6) and Speaking Notes
- Draft Mandatory Reporting Regulation text (6/2 release)
- Draft Mandatory Reporting Regulation text for
Sections 95113, 95114, and 95156 (6/13 release)
- View submitted informal comments
Regulatory Advisory (5/8/14): Refinery Reporting Deadline Extension for refineries subject to new product data reporting requirements.
Regulatory Advisory (5/9/14): COI Fee Reporting Deadline Extension for refineries subject to new product data reporting requirements.
Regulatory Advisory (4/4/14): Reporting Deadline Extension for operators subject to new product data reporting requirements.
Regulatory Advisory (4/8/14): COI Fees Reporting Deadline Extension for operators subject to new product data reporting requirements.
2012 Emissions Data Reporting-Guidance and Training
The reporting regulation was amended during 2013, and the revisions became effective on January 1, 2014. The Final 2013 Rulemaking Package including the revised regulation is available.