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Purpose. The purpose of the work is to develop and study mathematical models (basic and expanded) of electricity consumption in the buildings of the university (on an example of the buildings of the Kyiv National University of Technologies and Design). Method. Multiple regression analysis in combination with statistical methods. Results. The linear regressive models of electricity consumption in the buildings of the university have been obtained and investigated taking into account the reduced number of dwellers living in the hostels, the temperature of the environment and the features of the graph of the educational process during the heating season. Originality. As a result of mathematical modeling on the basis of an extended set of factors influencing the process of power consumption, obtained dependences that can be used for the study of future scenarios and the predictive assessment of the functioning of the electricity supply system in the educational buildings. The practical significance. The use of simulation results will allow the development of methodological recommendations for the implementation of a complex of energy-saving measures in an educational institution, taking into account the existing engineering infrastructure and improving the efficiency of management of the power consumption. [ABSTRACT FROM AUTHOR]