This article is intended to determine the features of public management and the development process of the energy supply system of the Republic of Kazakhstan. Today, the sustainable development of the country’s economy depends directly on the energy sector. Modern society and industry are completely dependent on a stable power supply and today, energy is considered the most important component of the life support of the country’s population. The country’s electrical power industry needs new large-scale investments and promising development. To do this, in the near future, the state needs to consider ways to solve problems that have arisen. The purpose of the study is to consider the elements of public administration and the evolution of the energy supply system in Kazakhstan, as well as public administration systems in other countries, such as the USA, Norway, Great Britain, and the Russian Federation. In the article, with the help of SWOT analysis and scientific analysis, the factors of development of the country’s energy industry are considered.