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Study on the measurement and the changing trend of the energy use of China’s economic sectors: based on cross-region input-output model

Abstract

The consumption of fossil energy is the major cause of environmental pollution. Effectively reducing the fossil energy use has important significance for achieving China’s green development targets. The premise for reducing fossil energy use is accurately measuring the amount of energy use and identifying the key sectors and links of energy use of China’s economic sectors. This paper, by establishing a cross-region input-output model, measured the amount of energy use from the perspective of embodied energy, explored the changing trend of energy use between 2002 and 2015, and identified the key sectors and links of energy use. The results show that the embodied energy intensities of China’s economic sectors are generally higher than the world average level, but its changing trend is declining. Although the amount of energy use shows a growth trend, the growth rate manifests a decline process. The key sectors of energy use assemble in the resource sector and heavy industry sector. The key link is intermediate use, but about 80% of embodied energy of intermediate use has been used by downstream sectors. Approximately 76% of the embodied energy of final demand has been used by gross fixed capital formation and urban residents’ consumption. China has turned from a net exporter of embodied energy to a net importer since 2012. There is a resource mismatch in China’s import and export structure of embodied energy.

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Notes

  1. The terms sector and industry have slightly different meanings. Sector as a broad classification describes a large segment of the economy, while industry as a more specific classification refers to a much more specific group of companies or businesses. In general, the scope of sector is larger than industry.

  2. See the Eora multi-region input-output database at http://worldmrio.com/

  3. The World Input-Output Table in Eora database contains the data of 26 economic sectors in 189 countries across the world including China.

  4. The alphabet “I” stands for the industry, for example, I2 stands for industry 2 that is coal mining and washing; for the others, see Table 3 in the Appendix.

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Acknowledgments

The authors would like to thank the anonymous reviewers for their helpful comments.

Availability of data

All data generated or analyzed during this study are included in this published article (and its supplementary information files).

Funding

This study was funded by the National Natural Science Foundation of China (grant number: 71673217).

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Contributions

FW conceived the research, and revised the manuscript. CG made the data processing and the analysis, and drafted the manuscript. QO edited and checked the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Feng Wang.

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Appendix

Appendix

Table 3 The industries and the embodied energy intensities of domestic and foreign region from 2002 to 2015 (unit: tce/10k RMB)
Table 4 The amount and the links of embodied energy use of China’s economic sectors from 2002 to 2015 (based on 2002) (unit: 1 billion tce)
Table 5 The EUP, EEI, and total output of China’s economic sectors in 2015

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Wang, F., Gao, C. & Ou, Q. Study on the measurement and the changing trend of the energy use of China’s economic sectors: based on cross-region input-output model. Environ Sci Pollut Res 28, 5296–5315 (2021). https://doi.org/10.1007/s11356-020-10776-2

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  • DOI: https://doi.org/10.1007/s11356-020-10776-2

Keywords

  • Embodied use
  • Embodied energy intensity
  • Economic sectors
  • Cross-region input-output model
  • Entire chain of energy use
  • Intermediate use