T/CI 171-2022 Regional Energy System Carbon Emission Reduction Accounting Technical Specification

Scope

Scope: This standard specifies the specific content and methods for calculating the carbon emission reduction of regional energy systems, including the calculation of carbon emission reduction of regional energy systems, the calculation of carbon emissions of regional energy systems, the calculation of carbon emission baseline, and the calculation of renewable energy utilization rate of regional energy systems. This standard is applicable to the calculation of carbon emission reduction of regional energy systems during the design and operation phases. Main technical content: 6 Calculation of carbon emissions of regional energy systems 6.1 Calculation content of carbon emissions of regional energy systems When calculating the carbon emissions of regional energy systems, the carbon emissions generated by the traditional energy consumed by the system and the carbon emissions replaced by renewable energy generation for municipal electricity should be calculated. For the case of multiple input energies existing simultaneously, the carbon emissions of each input energy should be calculated separately. 6.2 Calculation method of carbon emissions of regional energy systems The carbon emissions of regional energy systems are calculated according to the following formula: where: E——the carbon emissions of the regional energy system in the calculation year, unit is tonnes of carbon dioxide (tCO2); Econsumption——the carbon emissions generated by the traditional energy consumed by the regional energy system in the calculation year (if steam is introduced as an input energy, the consumption of steam should be converted into the corresponding traditional energy consumption according to the form of traditional energy used for steam production); Eclean electricity——the carbon emissions of renewable energy generation replacing municipal electricity in the calculation year of the regional energy system, unit is tonnes of carbon dioxide (tCO2). 6.3 Calculation of carbon emissions of tr

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