The purpose of the article is to identify and clarify the main features of the functioning and implementation of the antimonopoly compliance system at electric power enterprises. The main idea of the article is to use various methods (analysis, induction, etc.) to conduct a study of changes in domestic legislation that relate to the legislative consolidation of the antimonopoly compliance system. Based on statistical data and data from scientific sources, we can identify the main areas of activity of energy companies, where violations of antitrust legislation are most common, which will be identified and prevented by the antitrust compliance system. The scientific novelty of this article is confirmed by the almost absent publications of other authors, which study the effectiveness of the antimonopoly compliance system in the field of electric power industry. The author comes to the conclusion that the antitrust compliance system is an effective mechanism that allows identifying antitrust risks both inside the company and outside it. An increase in the number of companies that have antitrust compliance services will reduce the number of illegal violations by unscrupulous market participants, while these circumstances affect not only the electric power industry, but also other areas of the Russian economy. According to the author, the implementation of antitrust compliance will help to: l) reduce the number of offences committed by companies; 2) to prevent the actions of employees, which may in its work, to violate the antitrust laws; 3) to reduce the number of anti-competitive actions. Availability of antitrust compliance within the company promotes as corporate ethics, and the adoption by the staff of the values of the organization.