Mandatory Greenhouse Gas Emissions Reporting 

This page updated March 30, 2015

Welcome

Mandatory reporting logoInformation on California’s Mandatory Greenhouse Gas Reporting program.


What's New

NEW Updated Guidance Documents. ARB staff has posted a series of updated guidance documents for general topics, emissions data reporting, product data reporting, and Cost of Implementation (COI) Reporting and Verification FAQs.  

bullet 2014 GHG Mandatory Reporting Regulation Effective January 1, 2015. The revisions to the Mandatory Reporting rule are approved. The Final Regulation Order and other rulemaking documents are available on the rulemaking webpage.  

bullet  Asset Controlling Supplier Emission Factors.  ARB has posted the emission factors for approved asset-controlling suppliers for 2015 data reported in 2016. These emission factors must be used to report specified source electricity from ACS systems under MRR.

bullet  2013 Annual GHG Emissions Data Summary.  This document includes individual facility and entity reported emissions, covered emissions, and other verification related information.  

 

Quick Links

 
Background

Reporting of greenhouse gases by major sources is required by the California Global Warming Solutions Act (AB 32, 2006). The Mandatory Reporting Regulation is applicable to industrial facilities, fuel suppliers, and electricity importers. All GHG emissions data reports must comply with the regulatory requirements and be submitted via the Cal e-GGRT reporting system.


bullet  ARCHIVE

Regulatory Advisory (8/8/14): Verification Deadline Extension for certain Electric Power Entities

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.

Contact Us

For questions please contact Sector Contacts, ghgreport@arb.ca.gov, or Patrick Gaffney, Climate Change Reporting Section, 916.322.7303

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