Interval Evaluation of Green Efficiency in Power Grid Supply Chain Under Uncertain Information

Sitong Wang, Zijian Bi, Tiansong Gu, Zheqi Liu, Chao Li, Qijian Mu and Xiaohui Yu
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Sitong Wang: State Grid Jibei Electric Power Co., Ltd., China
Zijian Bi: State Grid Jibei Electric Power Co., Ltd., China
Tiansong Gu: State Grid Jibei Electric Power Co., Ltd., China
Zheqi Liu: State Grid Jibei Electric Power Co., Ltd., China
Chao Li: Jibei Electric Power Research Institute, State Grid Jibei Electric Power Co., Ltd., China
Qijian Mu: China International Engineering Consulting Corporation, China
Xiaohui Yu: Institute for Carbon Peak and Neutrality and Logistics School, China

International Journal of Fuzzy System Applications (IJFSA), 2025, vol. 14, issue 1, 1-23

Abstract: We construct a green efficiency evaluation index for the green supply chain of the power grid from six dimensions: strategy and goals, green procurement, green logistics, green construction, green recycling, and green chain carbon management. Moreover, the uncertainty of index data is considered, represented by interval numbers. Firstly, the subjective and objective weights of the evaluation indexes are weighted by the interval analytic hierarchy process and the interval entropy weight method. Secondly, the main and objective weights are adjusted by the method of game combination weighting, and the weights of indexs are obtained. Then, the green efficiency of the power grid green supply chain is evaluated comprehensively by expectation. Finally, the comprehensive connection expectation is calculated and the green efficiency level of the power grid green supply chain is determined by using the maximum membership principle. Thus, an evaluation system of green efficiency is established based on the game theory of combination empowerment and connection expectation.

Date: 2025
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