Every year from May to September, power transmission organizations carry out major repairs of electrical networks according to the approved schedule of major repairs of electrical networks.
The Committee of Atomic and Energy Supervision and Control of the Ministry of Energy of the Republic of Kazakhstan is constantly monitoring the readiness of electric networks to work in the autumn-winter period.
To prepare the electric networks of the unified electric power system of the Republic of Kazakhstan for the autumn-winter period of 2022-2023, repairs of power transmission lines with a total length of 25,346 km are planned, including: 500 kV overhead line - 884.698 km, 220 kV overhead line – 2356.19 km;
Overhead line-110 kV – 3851.61 km; Overhead line-35 kV – 4767.86 km; Overhead line-6-10 kV – 7525.49 km;
Overhead line-0.4 kV – 5171.69 km; CL-6-10kV – 262.84 km; CL-0.4 kV –
88.44 km, as well as substations – 564 pcs.; RP, TP, KTP – 3507 pcs.
As of September 19, 2023, 22,700 km of power transmission lines were repaired, which is 89% of the plan of the year, as well as: 514 substations, which is 91% of the plan of the year.