Abstract
The purpose of the article is to improve the quality of the assessment of the efficiency of electricity consumption by electrotechnical complexes of coal mines due to the use of a multidimensional comparison with the application of various ranking rules. The study is devoted to the development of the organization of the assessment of the level of energy efficiency of electrotechnical complexes of coal mines. One of the main components of increasing the level of energy efficiency assessment of coal mines is the implementation of measures regarding the use and implementation of an adequate assessment of the level of their energy use. For this, it is necessary to apply such an evaluation mechanism that would allow to evaluate and analyze indicators that have an unequal effect on the efficiency of electricity use. It is relevant in this direction to determine the universal rules of the assessment procedure, which cover all the key areas of monitoring the level of energy efficiency using the ranking of coal mines. The result of ranking is a certain number of ratings by which the level of energy efficiency is assessed. Therefore, for research purposes, a procedure for evaluating the energy efficiency of electrotechnical complexes of coal mines is proposed, which is based on a multidimensional comparison of efficiency indicators through ranking according to different rules. At the same time, indicators that have the greatest impact on electricity consumption are taken into account. The ranks of coal mines according to energy efficiency have been determined. The assessment criteria were specific electricity consumption, mining and production of coal. It is shown that ranking rules make it possible to determine coal mines that are better or worse in terms of energy efficiency. It is proven that the use of the proposed energy efficiency assessment procedure ensures the reliability of management actions aimed at increasing the level of energy efficiency of the energy consumption system of electrical engineering complexes of coal mines.
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