Dmitriy Yu. Muromtsev, Vasiliy A. Pogonin, Specificity of Analysis and Synthesis of Energy Efficient Control, Journal of Engineering and Applied Sciences, Volume 10,Issue 3, 2015, Pages 37-39, ISSN 1816-949x, jeasci.2015.37.39, (https://makhillpublications.co/view-article.php?doi=jeasci.2015.37.39) Abstract: Considered the model which characterizes similarity degree of different types of optimal energy-saving functions and allows to create the subsets of that functions. Keywords: Energy-intensive facilities;optimal control;mathematical model;subsets;energy-saving functions