The article is devoted to the analysis of the state of energy supply of Ukrainian enterprises in the conditions of military aggression, global challenges, and European integration aspirations of Ukraine. The problems of the centralized energy system inherited from the USSR, which no longer meets the needs of the national economy, are highlighted, and the need to develop distributed generation based on renewable energy sources and bioenergy is emphasized. Particular attention is paid to the connection between energy security, economic stability, and sustainable development goals. The advantages of alternative energy for small and medium-sized businesses are highlighted, in particular, the possibilities of energy independence of enterprises, diversification of energy supply sources, and participation in the formation of local energy markets. The article analyzes the current state and dynamics of the development of the renewable energy sector in Ukraine, identifies barriers and prospects for the implementation of bioenergy projects, especially the construction of biomethane plants. The experience of Ukraine and the EU countries in this area is compared, and European regulations on energy efficiency and environmental responsibility, which are mandatory for Ukraine’s integration into the European market, are analyzed. The economic, environmental, and social aspects of the energy strategy of enterprises are considered, as well as the role of the agro-industrial complex in the production of biofuels. The need to attract investments, harmonize legislation, and exchange experience with the EU to strengthen Ukraine’s energy security is emphasized.