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Biomethane

10 February 2022

Biomethane is a natural gas substitute, produced from the capture and refinement of waste gases. The biomethane method package allows biomethane produced under waste and agricultural methods to receive Australian carbon credit units (ACCUs) for reducing emissions.

The variations to the landfill gas (generation) method, the domestic, commercial and industrial wastewater treatment method, and the animal effluent management method that comprise the biomethane method package, were made by the Minister in January 2022.

For more information on the varied methods visit the landfill gas (generation) method, the domestic, commercial and industrial wastewater treatment method , and the animal effluent management method pages.

For information on public consultation and consideration of the method by the Emissions Reduction Assurance Committee (ERAC), visit the biomethane method page on the Department of Industry, Science, Energy and Resources’ consultation hub.

Diagram of the carbon capture and storage method development process.

Method development plan

Development stageStatusMilestones for the 2021 calendar year
Planning and scopingComplete
  • Ministerial method priority announced quarter 4 2020.
  • Initial method scoping and planning completed in quarter 1 2021.
Develop draft methodComplete
  • First co-design workshop held 24 February 2021.
  • Second co-design workshop held 11 June 2021.
  • Co-design process continues during quarter 2 and quarter 3 2021.
Technical and expert consultationComplete
  • Technical review completed quarter 4 2021.
ERAC considerationComplete
  • ERAC consideration completed quarter 4 2021.
Public consultationComplete
  • Public consultation completed quarter 4 2021.
Refinement and draft finalisationComplete
  • Refinement and draft finalisation completed quarter 4 2021.
ERAC approvalComplete
  • ERAC review completed quarter 4 2021.
Minister approvalComplete
  • Method finalisation completed quarter 1 2022.

Issues Register

IssueResponse
Consideration of waste feedstocks beyond those covered by the existing ERF methods.
The Clean Energy Regulator (the agency) commissioned a report on the viability of including agricultural waste feedstocks currently not covered by the ERF waste methods. The report’s findings indicate that agricultural waste is a potential biomethane feedstock, but further research is required if a robust method consistent with the Offsets Integrity Standards is to be developed.
Determining the appropriate length of a crediting period for biomethane injection projects.The agency collaborated with stakeholders to consider evidence on an appropriate crediting period for biomethane injection projects, which will meet the Offsets Integrity Standards.
Appropriateness of abatement calculation approaches, including for fugitive emissions and lifecycle abatement.The agency reviewed stakeholder feedback and sought technical expertise on the proposed calculation approach, noting that life cycle abatement is out of scope for ERF methods.
Interaction with guarantee of origin schemes.
The agency continues to monitor progress on future guarantee of origin schemes.




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