Carbon Credits (Carbon Farming Initiative—Reducing Methane Emissions from Landfill Gas) Methodology Determination 2025
68Emissions from fuel use—displacement abatement
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68 Emissions from fuel use—displacement abatement
(1) The emissions from fuel use that are specifically attributable to the operation of project biomethane facility f, or transport of biomethane produced at project biomethane facility f to an end use where it can reasonably be expected to be combusted within Australia as a natural gas substitute, for a reporting period (EF, displacement, f) in tonnes CO2-e, are worked out using the following formula:
| An equation to describe the calculations for the emissions from fuel use attributable to the operation of a project biomethane facility. | Equation 30 |
| i | means a fuel type. | | j | means a greenhouse gas type. | | Q subscript F comma displacement comma f comma i | means the amount of fuel type i that is specifically attributable to the operation of project biomethane facility f, or the transport of biomethane produced at project biomethane facility f to an end use where it can reasonably be expected to be combusted within Australia as a natural gas substitute, during the reporting period, in tonnes, kilolitres, cubic metres, or gigajoules, determined in accordance with the monitoring requirements. | | EC subscript i | means the energy content factor for fuel type i, in gigajoules per tonne, gigajoules per kilolitre or gigajoules per cubic metre, set out in section 6.5 of the NGER (Measurement) Determination.<br>Note: If QF, displacement, f, i is measured in gigajoules, then ECj is not required (ECj=1). | | EF subscript ij | means the emission factor for greenhouse gas type j and fuel type i, in kilograms CO2-e per gigajoule, set out in the NGER (Measurement) Determination. |
(2) In determining QF, displacement, f, i, if fuel is used by the project biomethane facility or by equipment used to transport biomethane in order to perform a function that was also performed before the implementation of the project, that fuel use is attributable to the operation of the project biomethane facility only to the extent that the project has caused an increase in fuel use by the facility or the equipment, as the case requires.