In the II quarter 2014 - with "Chuvashenergo" 1 683 support of power lines replaced, 72 km of wires, 3 928 insulators. Besides, works on replacement metal a traverse, bearing of support, etc. are performed. As a result for the I half-year of the current year the Chuvash energy drinks repaired 304 km of the air-lines (AL) of 0,4-10 kV and 81 km of VL of 35-110 kV, 150 transformer substations of 6-10/0,4 kV, carried out repair of 11 substations of 110/35/6-10 kV. During repair work on substations of 35-110 kV repair of 121 switches of 6-110 kV, 47 separators and korotkozamykatel, 42 disconnectors is carried out, 236 basic and rod insulators are replaced. In addition, clearing and expansion of routes of power lines from wood and shrubby vegetation on the area of 178 hectares is executed. In total in 2014 in IDGC of Volga branch of JSC - "Chuvashenergo" is planned to repair 968 km of power lines of all classes of tension, 373 transformer substations of 10/6/0,4 kV, to carry out capital repairs of 25 substations of 110/35/10/6 kV. Clearing of routes of power lines from wood and shrubby vegetation on the area of 596 hectares is also provided. Carrying out repair work is aimed at providing appropriate level of reliability of the electronetwork equipment, uninterrupted power supply of consumers of the Chuvash Republic, prevention of violations and electric equipment failures.