The purpose of the publication is to analyze the economic efficiency of processing animal waste into biogas by substantiating the investment project for biogas production in the studied enterprises of Brovary district, Kyiv region. This issue is especially relevant in the conditions of the current energy crisis. To achieve this goal in the course of the study were used general scientific methods: statistical and computational-mathematical ‒ with which all the necessary initial information for the development of the investment project was formed; experiment ‒ to develop an investment project for biogas production; analysis ‒ to assess its effectiveness using indicators to assess the effectiveness of investment projects. Using the method of scientific generalization, the relevance of the research topic in the face of threats to the energy security of the state was revealed. To form the basis of the study, the dynamics of livestock in the studied enterprises of Brovary district, Kyiv region was analyzed. The main results of the research, representing scientific novelty, were determined: potentially possible output of bio raw materials for biogas production in the context of each of the studied enterprises of Brovary district, Kyiv region; the potential yield of biogas and the amount of possible production of pure methane after purification of biogas; economically possible production of biogas provided the use of animal products in the studied enterprises; investments for a project for the production of gaseous biofuels; potential benefits of the project on the use of biogas plants in the studied enterprises for the 1st period of production; economic efficiency of the proposed project for biogas production for the first two production periods; economic feasibility of the project for biogas production by studying the discounted indicators of economic efficiency in terms of the project life cycle of 5 years. The practical significance of the results obtained due to the presented clear algorithm of actions of the investment project is the possibility of their implementation by ordinary enterprises in their activities
economic efficiency; biogas; waste processing; bio raw materials; investments
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