Australia's National Greenhouse and Energy Reporting framework received an important update for the 2025–26 reporting year, and the changes go beyond minor technical housekeeping. The amendments include provisions affecting market-based reporting for biomethane and hydrogen, while also updating some flaring-related fugitive emissions factors and methods. That matters because methodology changes can alter how reporters estimate emissions even when the underlying physical activity has not changed. In other words, this is not only a policy update but a calculation update.
For companies that sit within the reporting perimeter, the practical impact is that emissions teams need to review whether their current calculation logic still reflects the latest rules. A small change in factor treatment, fuel classification, or methodological treatment can affect comparability with prior years, which then creates knock-on questions for internal reviewers and assurance providers. This is why emissions reporting teams should not treat annual legislative updates as something for legal teams alone. The update has direct implications for emissions engines, reporting templates, internal guidance notes, and the way calculation decisions are explained in governance papers.
This development also highlights a broader trend that emissions professionals are now facing in multiple jurisdictions: factor libraries and methodologies are evolving fast enough that static reporting systems quickly become outdated. That creates a growing need for better change management, especially for teams trying to keep calculations consistent while still reflecting the latest official rules. For more on release timing, see the emission factor release calendar article. For the Australian disclosure context around these changes, connect this piece with mandatory climate reporting and 2026 reporting priorities.
← Back to News