Engineering, Energy, Transport AIC

Oleksii TOKARCHUK – Candidate of Technical Sciences, Associate Professor, head of the Department of Engineering Mechanics and Technological Processes at the Agricultural Complex, Leading Researcher of the Vinnytsia National Agrarian University (3, Soniachna St., Vinnytsia, 21008, Ukraine, e-mail: tokarchyk08@ukr.net, https://orcid.org/0000-0001-8036-1743).
Dina TOKARCHUK – Candidate of Economic Sciences, Associate Professor, Associate Professor of the Department of Administrative Management and Alternative Enrgy Sources, Leading Researcher of the Vinnytsia National Agrarian University (3, Soniachna St., Vinnytsia, 21008, Ukraine, e-mail: tokarchyk_dina@ukr.net, https://orcid.org/0000-0001-6341-445).

The article examines the economic and technological aspects of the production and use of alternative energy sources in the agro-industrial complex using the example of solar energy. The relevance of the transition to alternative energy sources in the context of growing energy risks, rising prices for traditional energy sources, and the need to strengthen the energy independence of agricultural enterprises in Ukraine is substantiated. The prospects for using solar energy systems as one of the most accessible and effective areas of decentralized generation are proven. The current state of development of solar energy in the world and in Ukraine, trends in the growth of installed capacities are analyzed. 
The features of photovoltaic conversion technologies and the dynamics of the introduction of solar power plants in households and enterprises are analyzed. The feasibility of using a hybrid energy supply scheme with the priority of consuming own generation and selling surpluses at a "green" tariff to increase the energy and financial sustainability of enterprises is proven. The energy supply potential of a conditional agricultural enterprise is calculated using various options for using solar energy systems. The estimated technical and economic parameters of three scenarios for the installation of solar power systems with a capacity of 12, 15 and 20 kW have been calculated, in particular the annual electricity generation, investment costs and economic efficiency indicators. It has been shown that the introduction of solar modules contributes to an increase in the level of energy autonomy, cost optimization and improvement of environmental performance of the enterprise. 
The results obtained can be used to form directions for the development of alternative energy in the agricultural sector and to improve technological solutions for the energy supply of agricultural enterprises thanks to solar energy.

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