In this article, the experience of China and South Korea in the use of alternative energy sources and its legal regulation is studied today, the shortcomings and achievements are analyzed, and the prospects of introducing the useful aspects taken from foreign countries in our country are considered. Also, the importance of the scientific research conducted in this regard, the decreasing reserves of natural resources around the world, as well as the scientific research conducted in our republic in order to achieve energy efficiency, including the use of renewable energy sources and its legal regulation, are given recommendations.