This April, engineers of Penzaenergo, a branch of IDGC of Volga, PJSC (a member of Rosseti Group), fulfilled work on repairing overhead lines (OL): 35–110 kV OL with the length of 18.48 km, 0.4–10 kV OL with the length of 348.69 km, repairing 137 facilities of 0.4/6–10 kV transformer substations (TS), overhauling substations (SS) — 3 facilities, and clearing 49.1 ha of 6–110 kV OL corridors. In 2016, Penzaenergo branch plans to conduct repair operations on the 0.4-10 kV overhead transmission lines with the total length of 3,753.9 km and on the 35–110 kV overhead transmission lines with the total length of 968.2 km.

Herewith, 1,912 wooden and concrete supports, 13,418 line insulators, as well as 74.6 km of wires and 3.6 km of lightning protection cable will be replaced. Besides, during the 2016 repair campaign Penza energy specialists will repair 1,092 10/6/0.4 kV transformer substations. Major repair is planned at fifty-nine 110/35/10/6 kV substations. In the course of these works, at 35–110 kV substations, Penzaenergo specialists will repair 321 6-110 kV switches, 77 separators, short-circuit switches and 371 disconnecting switches. In accordance with the approved long-range program of clearing the routes of OHL for 2016 within the framework of investment and maintenance programs, Penzaenergo branch scheduled the activities on vegetation management and expansion of power transmission line corridors in the area of 859 ha.

The repair operations are carried out to ensure appropriate safety level of electrical transmission equipment, provision of uninterrupted power supply for consumers in the Penza region, and prevention of faults and failures in the performance of electrical installations.