Mandatory Greenhouse Gas Emissions Reporting 

This page updated February 9, 2016

Welcome

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


What's New

NEW  Cal e-GGRT Activated for 2015 Data Reporting. Operators of facilities and fuel suppliers may now enter their 2015 data into the California Electronic Greenhouse Gas Reporting Tool (Cal e-GGRT). Reporting for EPEs will be activiated in late March. Reports must be submitted and verified by the dates specified here.  (1/9/2016)

NEW  Webinar for Greenhouse Gas Emissions Data Reporting for Facility Operators and Suppliers. On February 18, 2016, at 1:00 p.m. PST, the California Air Resources Board (ARB) staff is providing an online training webinar to discuss tool changes, clarifications, and guidance document updates for facility operators and suppliers. Register here. (1/9/2016)

NEW  Updated Guidance Documents. Throughout February, ARB will post revised guidance documents for facility operators and suppliers. Additional documents related to cessation, applicability, and EPE reporting will be posted in March and April of 2016. (1/9/2016)

bullet  2014 GHG Emissions Data Available and Updates to Posted 2011, 2012, and 2013 Data.  The 2014 GHG emissions data summary spreadsheet is now available. In addition, updated spreadsheets are posted for the 2011, 2012, and 2013 reported data. (11/4/2015)

bullet  EPE - Asset Controlling Supplier (ACS) System Emission Factors for Calendar Year 2016.  The ACS emissions factors are now available. (12/11/2015)

 

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.


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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