In 2021, Rosseti Volga, PJSC will allocate more than 4.16 billion rubles for the repair and maintenance of the company's electric grid complex in the Saratov, Samara, Ulyanovsk, Orenburg and Penza regions, the Republics of Mordovia and Chuvashia. The mass renovation will start in April and will end in September. The plans for the repair campaign are formed on the basis of visual inspections of the equipment of substations and overhead lines, various types of measurements and diagnostics, thermal imaging, ultrasonic, chemical examinations.

The power suppliers will repair about 7.3 thousand km of overhead power transmission lines (OL) from 0.4 to 110 kV. At the OLs, 16 thousand supports, more than 83 thousand insulators, 792 km of wire and 73 km of ground wire will be replaced. Repair of more than 1.5 thousand support foundations is planned. In order to protect birds from electric shock, over 4 thousand bird protection devices will be installed this year on the Rosseti Volga power transmission lines.

Clearing glades of overhead lines is an integral part of preparation for winter. Falling of branches or trees can damage a power line. To avoid this, Rosseti Volga plans to clear about 5.5 thousand hectares of glades using mulcher and other special equipment as well to saw more than 4 thousand trees in the controlled territory.

Overhaul of high-voltage equipment is planned at 567 substations of 35–110 kV. The plans for 2021 also include the work on equipment of 0.4–10 kV – the repair of 5.5 thousand complete transformer substations and more than 1 thousand transformers.

“Timely and high-quality repair and maintenance of the electric grid complex will ensure reliable power supply to consumers in seven regions of the Volga District in the coming autumn-winter period”, said Konstantin Filippov, Deputy Chief Engineer for Technical Development and Operation of Rosseti Volga, PJSC.