Estimate waste emissions using an appropriate method, your waste composition and documented treatment destinations. A single factor for every tonne of waste cannot reliably describe cardboard, food, metals and mixed residuals alike.
Information to gather
- Choose a reporting boundary and calculation method suitable for the intended use.
- Collect weights by material and treatment, clearly marking estimates.
- Record the factor edition, assumptions and any excluded transport or processing stages.
What to check before deciding
Keep estimated operational emissions separate from hypothetical avoided emissions. A higher diversion percentage is not enough on its own to quantify a carbon saving or support a carbon-neutral claim.
NGA Factors provide annually updated estimation methods; they are not the methods for mandatory NGER reporting. See DCCEEW - National Greenhouse Accounts Factors.
Related resources
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Send your site details and collection requirements to discuss the available options and written terms.
Sources
- DCCEEW - National Greenhouse Accounts Factors. Overview and annual editions. Checked 18 September 2026; confirm current guidance before acting.
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