Mandatory GHG Reporting for 2024–2025

Summary#

This is the federal Notice with respect to reporting of greenhouse gases (GHGs) for 2024 and 2025 under the Canadian Environmental Protection Act, 1999. It tells certain facilities to send detailed GHG data to Environment and Climate Change Canada for the 2024 and 2025 calendar years, with reports due by June 2, 2025 (for 2024) and June 1, 2026 (for 2025).

What it does#

• Requires facilities that meet the reporting rules to submit GHG information to Environment and Climate Change Canada through the Single Window reporting system.
• Applies when a facility emits at least 10 000 tonnes of carbon dioxide equivalent (CO2‑eq) in 2024 or 2025 (or both).
• Lists which gases must be reported, including carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), sulphur hexafluoride (SF6) and various HFCs and PFCs (see Schedule 1 in the notice).
• Sets out what kinds of data must be provided: totals by gas and by emission source (for example, fuel combustion, industrial process emissions, venting, flaring, leaks, waste and wastewater), and many industry‑specific production and monitoring details in Schedules 4–18.
• Keeps the rule focused on the two calendar years 2024 and 2025 only.
• Requires records and supporting calculations to be kept for three years at the facility or at a Canadian parent company (and the parent’s civic address must be given if records are kept there).
• Says the government intends to publish facility-level emission totals and explains that reporters can ask to treat some submissions as confidential (but the government may still disclose them).
• Notes potential penalties for failing to comply: fines up to $1,000,000 for an individual and $6,000,000 for a corporation.

Who's affected#

• Facilities that emit 10 000 tonnes CO2‑eq or more in 2024 or 2025. That includes large stationary sources even if they are not in a listed industry.
• Specific industries called out in the notice, such as cement, lime, aluminium, iron and steel, electricity and heat generation, ammonia, nitric acid, hydrogen, petroleum refining, pulp and paper, base‑metal production, mining, ethanol production, and facilities involved in CO2 capture/transport/injection/storage/utilization.
• Operators of pipelines or offshore installations that meet the threshold or perform the CO2 activities listed.
• It is broad: if it’s not clear whether a particular facility meets the criteria, the facility operator is the one responsible for determining and notifying the Minister if it does not meet the criteria by the deadlines.

Why it matters#

• This is the federal government’s way of collecting detailed, comparable GHG data from large emitters. The data feeds Canada’s national inventory and helps shape climate policy.
• Affected facilities will need to gather or improve monitoring, do calculations, and keep records — tasks that can require time, staff or outside help.
• The reported totals are intended to be published, which can affect public transparency and a facility’s reputation with customers, investors and regulators.
• Non‑compliance can lead to substantial fines.