The article is aimed at researching priority sectors of investment in the energy sphere. The share of global investments in electric energy, oil, gas, development of renewable energy sources, and also in energy efficiency is analyzed. It is indicated that global investments in energy sector have decreased somewhat, in particular the investments in renewable energy sources have reduced the most. Energy investments of the world countries where the largest investors are the countries with the developed economies, namely China and the United States of America, are researched. Investment trends in the energy sector of both developed and developing countries are defined. The role of renewable energy sources in increasing access to electricity and promoting investment in electric energy decentralization technologies is allocated. The general investments and investments of the exchange market in renewable energy sources are analyzed, their priority sectors are defined. The risks that can reduce investments in energy in general and in renewable energy sources in particular are indicated.