Reporting greenhouse gas emissions

Information and guidance on reporting to the Greenhouse Gas Reporting Program (GHGRP).

Important Notice

The Single Window system is now open for 2024 reporting. You can submit your report for 2024 if your facility meets the criteria described in the notice. The deadline for submitting a 2024 GHG report is June 2, 2025. 

The Notice with respect to reporting of greenhouse gases (GHGs) for 2024 and 2025 was published on December 9, 2023 in the Canada Gazette and is applicable to reporting of 2024 data. The notice describes who must report and what information must be reported.

Changes in the 2024-2025 notice are minor. This notice also continues the key changes made in the 2022-2023 notice that were consulted on in August and September of 2022. These changes include:

Facilities that reported their emissions in the previous year must inform us if they do not meet the current year’s reporting criteria by submitting a Does Not Meet Criteria (DNMC) report through the Single Window system.

Reporting resources

Use the Single Window system to report your information. This system streamlines the reporting to national and various provincial jurisdictions, and helps reduce the reporting burden and overall costs to governments. Provincial partners who also use this system for GHG reporting include:

The following links provide guidance for reporting to the Greenhouse Gas Reporting Program:

Greenhouse gas reporting notices in the Canada Gazette

Under the GHGRP, a notice is published periodically in Part I of the Canada Gazette. The notice describes who must report and what information must be reported.

Notices for previous years' reporting requirements covering 2004 to 2011 are available at Government of Canada Publications or can be requested from the GHGRP

Key changes that were made to federal reporting requirements in previous years included:

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