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  • JCLEPRO-D-18-05802R2 (1)

    Rights statement: This is the author’s version of a work that was accepted for publication in Journal of Cleaner Production. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Cleaner Production, 222, 2019 DOI: 10.1016/j.jclepro.2019.03.101

    Accepted author manuscript, 1 MB, PDF-document

    Embargo ends: 19/03/20

    Available under license: CC BY-NC-ND

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Quantifying the geographical distribution effect on decreasing aggregated nitrogen oxides intensity in the Chinese electrical generation system

Research output: Contribution to journalJournal article

Published
  • J. Wang
  • Y. Qiu
  • Y. Ma
  • S. He
  • N. Liu
  • Y. Feng
  • Z. Dong
  • L. Liu
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<mark>Journal publication date</mark>10/06/2019
<mark>Journal</mark>Journal of Cleaner Production
Volume222
Number of pages9
Pages (from-to)856-864
Publication statusPublished
Early online date11/03/19
Original languageEnglish

Abstract

Over the past 20 years, the spatial distribution of electrical generation and its relationship to cross-regional power transmission has impacted China's power generation system and significantly affected the total amount of NO x and the aggregated nitrogen oxides intensity (ANI) of the system. An investigation of the driving mechanisms of ANI that considers the unevenness of regional electricity generation will be crucial to future improvements in the NO x efficiency of the electrical generation system in China. In this study, we built a decomposition model for ANI by incorporating the spatial distribution of electrical generation and found that the spatial distribution of electricity generation together with energy-related factors gradually caused decreases in ANI. The efficiency of electricity generation presented the dominant inhibitory effect on ANI, but its effect size has weakened since 2010. In contrast, the fossil fuel structure of thermal power shows an increasingly positive effect on changes in ANI. The primary energy composition only slightly affected changes in ANI. Moreover, the changed geographical distribution of electricity generation is non-negligible and has a positive effect on reduction of the ANI of the Chinese electrical generation system. The transferred amount of local NO x emissions by cross-provincial electricity transmission, however, could cause lead to additional environmental costs for generators. This issue should receive more attention in the future.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Journal of Cleaner Production. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Cleaner Production, 222, 2019 DOI: 10.1016/j.jclepro.2019.03.101