Carbon emission reduction analysis for gas-based distributed integrated energy systems

doi:10.3969/j.issn.2097-0706.2022.09.004

Abstract

Abstract:

Integrated energy system is regard as an excellent power suppler at current stage for its capabilities of horizontally adjusting electric power,heat,cold energy,gas and hot water,and vertically coordinating source,network,load,storage and consumption links.CCER methodology and Guidelines On Enterprises Greenhouse Gas Emissions Accounting and Reporting—Power Generation Facilities provide a calculation method for the carbon emission reduction of gas-based distributed integrated energy systems and the reference system.A carbon emission reduction analysis was made on a gas-based distributed integrated energy system in Beijing.The system worked well in energy saving and emission reduction in current power system for realizing 3 000 tCO₂ emission reduction from 2016 to 2020 annually.With the large-scale grid-connection of renewable energy generators,the greenhouse gas emission factor for grid will drop to 0.34 tCO₂/（MW·h） or below.At that time,the existing system can no longer save energy or reduce carbon emissions,unless the proportion of power supply made by renewable energy can be increased.The study lays a sound theoretical foundation for the development of gas-based distributed integrated energy systems and the realization of "dual carbon" target.

Key words: gas-based distributed energy, integrated energy system, reference system, greenhouse gas emission factor for grid, carbon emissions, carbon emission reduction, carbon neutrality, carbon peak

CLC Number:

TK01：TK47

JIANG Ting, ZHAO Yajiao. Carbon emission reduction analysis for gas-based distributed integrated energy systems[J]. Integrated Intelligent Energy, 2022, 44(9): 27-32.

Figures/Tables 9

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