Determination of Weights for the Integrated Energy System Assessment Index with Electrical Energy Substitution in the Dual Carbon Context

Yitao Zhao, Xin Lv, Xin Shen, Gang Wang, Zhao Li, Pinqin Yu and Zhao Luo ()
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Yitao Zhao: Yunnan Power Grid Co., Ltd. Metering Center, Kunming 650051, China
Xin Lv: Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
Xin Shen: Yunnan Power Grid Co., Ltd. Metering Center, Kunming 650051, China
Gang Wang: Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
Zhao Li: Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
Pinqin Yu: Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
Zhao Luo: Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China

Energies, 2023, vol. 16, issue 4, 1-15

Abstract: Electrical energy substitution is an important way to achieve the optimization of the energy consumption structure as well as to alleviate environmental problems, and it is also an important source of benefits of the integrated energy system. However, there are few works that study the effects of electrical energy substitution on the construction of the integrated energy system (IES) and electrical energy substitution work without incentives carried out in the IES. To this end, this paper proposed a G1 method with constructing consistency matrix to determine the evaluation index weights for the IES with electrical energy substitution. Specifically, we firstly construct the evaluation index system for the IES including electrical energy substitution indicators, low-carbon indicators, technical indicators and economic indicators as well as their secondary indicators. Then, a tri-level evaluation index system of target-criteria-indicator benefits is established based on pertinent standards and norms, taking the practical operability into account. Finally, a G1-method-constructed consistency judgment matrix is proposed. Compared with the G1 method, it is simple and practical, and the weight calculation results are more in line with the reality, which effectively solves the consistency problem of the judgment matrix. The rationality and feasibility of the proposed weight calculation method are verified by the calculation and analysis of an example.

Keywords: electrical energy substitution; evaluation indicators; G1 method; integrated energy system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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