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Regional differences and driving factors of carbon emission intensity in China’s electricity generation sector

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Abstract

As an industry with immense decarbonization potential, the low-carbon transformation of the power sector is crucial to China’s carbon emission (CE) reduction commitment. Based on panel data of 30 provinces in China from 2000 to 2019, this research calculates and analyzes the provincial CE intensity in electricity generation (CEIE) and its spatial distribution characteristics. Additionally, the GTWR model based on the construction explains the regional heterogeneity and dynamic development trend of each driving factor’s influence on CEIE from time and space. The main results are as follows: CEIE showed a gradual downward trend in time and a spatial distribution pattern of high in the northeast and low in the southwest. The contribution of driving factors to CEIE has regional differences, and the power structure contributes most to the CEIE of the power sector, which promotes regional CE. Concurrently, most provinces with similar economic development, technological level, geographic location, or resource endowment characteristics show similar spatial and temporal trends. These detections will furnish broader insights into implementing CE reduction policies for the regional power sector.

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Funding

This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 71991484 and 41971265).

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Xiaoyan Sun: methodology, writing—original draft preparation, formal analysis. Wenwei Lian: investigation, writing—reviewing and editing. Bingyan Wang: data curation. Tianming Gao: funding acquisition. Hongmei Duan: supervision. All authors read and approved the final manuscript.

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Correspondence to Wenwei Lian.

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Appendix

Appendix

Figures 15, 16, 17, 18, and 19

Fig. 15
figure 15

Differences in the spatial distribution of driving factor effects (UR, PGDP)

Fig. 16
figure 16

Differences in the spatial distribution of driving factor effects (IS, PEC)

Fig. 17
figure 17

Differences in the spatial distribution of driving factor effects (R&D, UOL)

Fig. 18
figure 18

Differences in the spatial distribution of driving factor effects (OPEN, EPI)

Fig. 19
figure 19

Differences in the spatial distribution of driving factor effects (ES, PS)

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Sun, X., Lian, W., Wang, B. et al. Regional differences and driving factors of carbon emission intensity in China’s electricity generation sector. Environ Sci Pollut Res 30, 68998–69023 (2023). https://doi.org/10.1007/s11356-023-27232-6

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