The article is devoted to the disclosure of issues, conditions, structures and directions for improving the institutional environment of financial support for the development of the energy sector. The aim of the research: is to determine directions for improving the institutional environment of financial support for the sustainable development of electric power companies under the conditions of implementing financial decisions regarding the attraction and effective use of financial resources and state financial support within the framework of the implementation of national priorities for the development of the electric power industry. The subject of the research: institutional environment and its impact on financial support for the sustainable development of electric power companies. The methods of the research: of scientific knowledge, method of generalization, comparison, logical – meaningful, methods of induction and deduction. The main hypothesis of the study is the assumption that the influence of the institutional environment on the financing of the sustainable development of electric power companies is manifested through legal support, state support (regulation, control, audit of restoration processes) of projects, the development of risk insurance mechanisms, the implementation of methods of optimal allocation of resources according to the priority of restoration programs , deepening the interaction of state institutions with electric power companies on the basis of public-private partnership. The statement of basic materials. On the basis of the analysis of the institutional environment and regulatory and legal support for the activity of energy enterprises, the problematic field of institutional issues in the field of state regulation of the activities of the subjects of the electric energy market and directions for their solution have been determined. The essence of the institutional environment is determined and its influence on financial support for the sustainable development of energy enterprises is demonstrated. The role of financial institutions in ensuring the sustainable development of public companies is shown. Based on the analysis of the state of financial support for the development of the energy sector of Ukraine, it was established that financial and credit institutions have a limited influence on the formation of financial resources of enterprises in the energy sector. Attention is focused on the need to implement international experience in financing the sustainable development of energy enterprises. The institutional conditions for financial support for the development of electric power companies are disclosed and restraining factors regarding the attraction of investment resources are identified. The characteristics of financing tools for the sustainable development of energy sector enterprises are given. It is proved that the institutional environment of market relations is directly a lever of influence on the reproductive processes of capital formation of energy enterprises. The directions for improving regulatory legislation, the state policy of financing the development of the energy sector in the context of the selection of mechanisms for stimulating the development of the electric power sector, including RES, and supporting the development of new technologies are substantiated; use of world experience. The originality and practical significance of the research: have proposals regarding the use of financing tools for the sustainable development of energy sector enterprises and the determination of directions for improving the state financing policy in the context of choosing mechanisms for stimulating the development of the electricity sector. Conclusions and perspectives of further research: The institutional influence on financial support for the development of the energy sector is manifested through: improvement of regulatory legislation in the context of creating favorable conditions for supporting the decarbonization of the Ukrainian economy and the post-war recovery of energy enterprises; state financial support for stimulating the participation of banks in the post-war restoration of ecological technologies, increasing the share of RES generation in the Ukrainian energy system; the development of mechanisms for the removal of tax restrictions (in particular, regarding gas rent and the ban on imports) and the creation of mechanisms for guaranteeing military risks; implementation of methods of optimal distribution of resources according to post-war reconstruction programs, taking into account their priority and strengthening of financial control, transparency regarding targeted use; creation of favorable conditions for lending, taking into account world practices. In order to achieve ecologically safe, socially oriented economic development, it is expedient to apply world experience and effective methods and forms of mobilization of financial resources in the field of electricity.

Formulation of the problem: The article is devoted to the study of the problem of the impact of financialisation of the economy on the sustainable development of economic entities. The aim of the research: generalization and systematization of modern financial transformations of capital in economic systems and development of recommendations on formation of value-oriented approach to the management of transformational processes of capital through building financial relations in order to ensure sustainable development of companies. The subject of the research: set of financial relations resulting from the transformation processes of capital in economic systems and tendencies of financialization at different levels of the economy. The methods of the research: methods and principles of scientific knowledge, systematic approach, methods of generalization of induction, deduction and synthesis. The hypothesis of the research: study was the assumption that the process of financialization generates movement and transformation of financial capital, which determines the reproductive conditions of the company under the influence of market and non-market factors. All this puts forward new requirements for the financial management system and the use of flexible management tools that can identify and take into account the decomposition of cost factors in order to assess the conditions of sustainable development of the company. The statement of basic materials: It is stated that financialization characterizes the increase of influence of the share capital, promotes transformation of the main types of capital into financial; creates the conditions for reviewing the strategic goals of the company functioning, giving priority to the cost -oriented management approach; opens up opportunities to accelerate development with the support of international financial resources and increase the competitiveness of domestic issuers. On the basis of the functional redistribution of balanced income in the context of increasing trends in financialization, the possibility of integrating finance into key areas of socio -economic reproduction has been proved to ensure sustainable development. Transformation of the company's capital into the system of financial relations demonstration as a manifestation of financialization in the part of sustainable development of the company is demonstrated. The originality and practical significance of the research: is to substantiate the manifestations of financialisation in the activities of companies through the transformation of human, natural, industrial, intellectual, social and reputational capital into the financial capital of the company to ensure sustainable development. Conclusions. Increasing financialisation forms the basis for the transformation of a company's financial capital. The results of the study allowed us to identify priority areas for ensuring the sustainable development of domestic enterprises on the basis of a cost -oriented approach to management.