Abstract
Electrical energy substitution is used as a national strategy to promote the energy consumption revolution, increase the proportion of electric energy in terminal energy consumption, increase the proportion of coal used for power generation in total coal consumption, increase the share of renewable energy in electricity consumption, and reduce air pollutant emissions; its importance in the national energy strategy is beyond doubt. Evaluating the potential of electrical energy substitution in various regions of China is an indispensable step in effectively carrying out electrical energy substitution. Only by clearly identifying the potential and characteristics of electrical energy substitution in each region can an effective electrical energy substitution strategy be formulated. This paper constructs a regional electrical energy substitution potential evaluation index system, based on comprehensive consideration of the influencing factors and regional differences in the potential of electrical energy substitution. The weight of each indicator is determined by a combination of cloud model and entropy method. The improved Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) evaluation model by connection degree is used to evaluate the potential of electrical energy substitution in each region. Finally, this index system and evaluation method are used to evaluate the potential of electrical energy substitution in twenty-five regions in the State Grid jurisdiction, and the evaluation results are analyzed; the effectiveness of evaluation index system and evaluation method are verified. The practical significance of this paper lies in providing important theoretical support for State Grid to implement electrical energy substitution according to local conditions.
Highlights
Energy is the foundation for human survival and modernization
Electrical energy substitution is used as a national strategy to promote the energy consumption revolution, increase the proportion of electric energy in terminal energy consumption, increase the proportion of coal used for power generation in total coal consumption, increase the share of renewable energy in electricity consumption, and reduce air pollutant emissions; its importance in the national energy strategy is beyond doubt
The main contributions of this paper are as follows: (1) This paper evaluates the potential of regional electrical energy substitution from the perspective of the electrical energy substitution potential
Summary
Energy is the foundation for human survival and modernization. At present, the international energy landscape is undergoing profound changes. China is actively promoting the energy revolution to solve related issues including energy security and environmental pressure In this context, electrical energy substitution faces a rare historical opportunity. In China, electrical energy substitution as a part of the energy development strategy is of great significance in promoting the energy consumption revolution. According to the combining of previous literatures, it can be found that there is no systematic and in-depth study of the current electrical energy substitution work in China; especially the research on regional electrical energy substitution potential evaluation is even less. Aiming at the blank of this research field, this paper evaluates the potential of regional electrical energy substitution in China. It provides important theoretical support for grid companies to implement electrical energy substitution, production management, and decision-making reference according to local conditions
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