Specialists of Saratov distributive networks, a branch of IDGC of Volga f JSC (enters into Rosseti group of companies) " finished repair of the equipment on substation of 110/35/6 kV "Agregatnaya" in Saratov. This power facility provides power supply of medical institutions, elements of system of water supply of the city, the territorial network organizations, a number of the large industrial enterprises, the population of the central regions of the regional center. During repair on substation linear inputs of 110 kV through passage with porcelain isolation are replaced with the polymeric. Their installation conducts to essential decrease in operational expenses. Also on substation separators, short circuiters 110 kV, the equipment ZRU-6 kV were repaired. The mounted new protection prevents unauthorized access for third parties to substation. Performance of these works not only increases terms of operation of the equipment, but also increases the level of safety of the personnel serving substation. Repair work on substation of 110/35/6 kV "Agregatnaya" will allow to increase reliability of power supply of consumers in Saratov.