Rosseti Siberia (formerly known as MRSC Siberia) is a subsidiary of Rosseti-FSK and is one of the largest companies in the Siberian and Far Eastern federal districts, responsible for the transmission and distribution of electric power within the territories of Republics of Altai, Buryatia, Tyva, and Khakassia, Altai, Zabaykalsky, Krasnoyarsk territories, Kemerovo and Omsk regions. The service territory exceeds 1.974 million square kilometers. The total length of 0.4-110 kV transmission lines is 273 thousand kilometers. The power network complex of Rosseti Siberia includes 59,346 transformer substations of 6-10-35 / 0.4 kV and 1,837 substations of 35-110 kV with a total installed capacity of 34,025 MVA.