Differentiation of responsibility for the objects in the electric power engineering field between the Russian Federation and its subjects is realized in compliance with the Constitution of the Russian Federation. The system analysis of the mechanism of providing and differentiating powers (responsibilities) between the Russian Federation and its subjects in compliance with the norms of legal acts on the electric power engineering and the provision of article 71 of the Constitution of the Russian Federation results in a substantiated conclusion that there is a core of the federal normative legal basis on the electric power engineering. The system of the normative legal acts in the electric power engineering witnesses the fact that according to the general rule regal regulations of relations in the field considered is realized by the federal bodies of the state power. The state power bodies of the subjects of the RF realize their powers after the model of “Residual (remaining) competence” and are only eligible to make normative legal acts on the electric power engineering abiding by the federal laws.Differentiation of powers between the federal and regional administration isof great significance. Necessary legal regulation of this matter is a precondition torespect the economic rights of the electric power engineering subjects.