Figure 6 – Gas-fired power plant diagram Table 14 – Summary of emissions and energy from the gas power plant Process Point Reportable emissions Reportable energy Reportable energy Notes production consumption 1 ‘Natural gas None. None. None. Gas supply pipeline is distributed in a outside of the facility pipeline’ enters boundary and hence leaks plant. from the pipeline do not need to be reported. 2 Gas If generation unit < 30 MW or None. ‘Natural gas distributed in a Refer section 4 of this production < 50,000 MWh in pipeline’ is consumed through guideline for estimating combustion. Electricity is not produced at the reporting year, emissions combustion for the purpose of emissions from fuel this process point – these are estimation can be made producing electricity. combustion. produced at #4. using default emission Only one method for factors under method 1. estimating emissions should Otherwise minimum method be used for the single 2, and method 3 also occurrence of the source in available. the case example. Fuel combustion emissions.
Figure 6 – Gas-fired power plant diagram Table 14 – Summary of emissions and energy from the gas power plant Process Point Reportable emissions Reportable energy production Reportable energy consumption Notes 1 ‘Natural gas distributed in a pipeline’ enters plant. None. None. None. Gas supply pipeline is outside of the facility boundary and hence leaks from the pipeline do not need to be reported. 2 Gas combustion. If generation unit < 30 MW or production < 50,000 MWh in the reporting year, emissions estimation can be made using default emission factors under method 1. Otherwise minimum method 2, and method 3 also available. Fuel combustion emissions. None. Electricity is not produced at this process point – these are produced at #4. ‘Natural gas distributed in a pipeline’ is consumed through combustion for the purpose of producing electricity. Refer section 4 of this guideline for estimating emissions from fuel combustion. Only one method for estimating emissions should be used for the single occurrence of the source in the case example.
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