Document ID: chunk:federal_register_of_legislation:F2022C00226:reg:32g:p1
Version: federal_register_of_legislation:F2022C00226
Segment Type: reg
Provision Reference: reg 32G (pt 1/2)
Character Range: 104048–107078

32G  Gross abatement amount for a project biomethane facility

    The gross abatement amount for project biomethane facility h for a reporting period, GAdisplacement, h  (in tonnes CO2-e), is worked out using the formula:

  Equation 16

       where:

        k is a biogas upgrading system at project biomethane facility h used during the reporting period.

        QBM, k is the total volume of biomethane sent out by biogas upgrading system k during the reporting period, in cubic metres, determined in accordance with the monitoring requirements.

        ECNG is the energy content factor for natural gas distributed in a pipeline, in gigajoules per cubic metre, set out in Part 2 of Schedule 1 to the NGER (Measurement) Determination.

        EFNG, CO2 is the carbon dioxide (CO2) combustion emissions factor for natural gas distributed in a pipeline, in kilograms CO2-e per gigajoule, set out in Part 2 of Schedule 1 to the NGER (Measurement) Determination.
       Note: Methane (CH4) and nitrous oxide (N2O) emissions are constant regardless of whether biomethane or natural gas is combusted, and hence do not result in displacement abatement.
Subdivision 4—Eligible abatement fraction
32H Summary

       The eligible abatement fraction for a reporting period is the proportion of gross abatement associated with biomethane produced from eligible biogas during a reporting period. This excludes abatement created from biogas upgrading of ineligible biogas. Only the eligible abatement fraction of gross abatement is counted towards the net abatement to ensure biomethane produced from ineligible sources is not credited.
       The eligible abatement fraction is expressed as a fraction, representing the proportion of biogas sent to a biogas upgrading system in the project that is eligible biogas. If 100% of biogas that undergoes biogas upgrading is eligible biogas, there is no deduction for ineligible abatement.
       The eligible abatement fraction is worked out as the fraction of the quantity of eligible biogas supplied by all biogas source facilities during a reporting period to the total quantity of biogas treated during a reporting period. The quantity of eligible biogas sent from each biogas source facility is worked out by:
         (i) direct measurement of the quantity of eligible biogas sent for biogas upgrading; or
         (ii) estimation of the proportion of biogas sent for biogas upgrading that is eligible biogas.
32I Eligible abatement fraction for a project biomethane facility

     The eligible abatement fraction for project biomethane facility h during a reporting period, EAh (as a fraction), is worked out using the formula:
  Equation 17

       where:

       g is a biogas source facility that sends biogas to project biomethane facility h during the reporting period.

       QBG, El, g is the volume of eligible biogas sent to project biomethane facility h from biogas source facility g during the reporting period, in cubic metres, determined in accordance with section