Abstract. The modern world, including highly developed countries, which focus a significant part of their financial flows on increasing environmental capacity with propaganda and a call to stop global warming, quite openly demonstrates its commitment to replenish and restore «green» reserves. Today, in the system of economic relations and financial support of Ukraine’s economic development, the involvement of the environmental component of such development is becoming increasingly important. When studying alternative energy sources as a relatively new way for Ukraine, it was found that the development of such energy affects a number of socio-economic factors, including transport, environment, health and nutrition, agro-industrial management, energy, etc. Government support, support, support and formation of a general strategy for the development of investment in alternative energy should become a priority in increasing the greening process in the country. The only conceptual approach to ensuring the development of «green» energy is a guarantee of establishing a mechanism to ensure the investment potential of the direction. For the effective functioning of renewable energy sources (RES) it is necessary to bring national legislation in line with international requirements, in particular to international acts of the European Union. Creating optimal guarantees and providing quotas for investors. Necessary conditions for development are: development of software and technical and technological support not only for the generation, accumulation and use, but also the accumulation and generalization of information, accounting, analysis, control over the consumption and sale of such energy; innovation and investment support at the level of deepening and expanding research, creating work programs, projects and groups; institutional support for attracting investment in the development of «green» energy, development of a state target program for the development and support of RES. Keywords: investments, «green» energy, renewable energy sources, «green» tariff, development. JEL Classification O13, O40, Q42 Formulas: 0; fig.: 0; tabl.: 1; bibl.: 34.