Welcome to CARB's electronic Greenhouse Gas Reporting Tool

Cal e-GGRT supports facility and supplier reporting for the Mandatory Reporting of Greenhouse Gases Regulation. The regulation requires electronic reporting of greenhouse gas (GHG) emissions from large sources and suppliers in California.

Cal e-GGRT registration is part of a California Air Resources Board (CARB) computer system, which is for authorized use only. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be monitored, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including law enforcement. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms.