Economy of Ukraine characterizes by a huge unrealized potential of energy efficiency (EE), which even threatens the energy security of the country. Herewith, an existing in Ukraine management system, which has assigned to attract investment in energy efficiency, is outdated and not functional. Among the main instruments to solve this problem that have considered in this article are targeted (national, municipal, industrial, etc.) EE programs, EE funds, and energy service companies (ESCOs). We have conducted ranking of EE projects, have defined volumes of economically viable investments in the projects, and have made calculations proving the increase of efficiency of project financing under proposed management system. It have done by using specialized computer model for performance improvement of financial resource management system of targeted EE programs.