Structure and features of power grid assets

History

Main technical specifications City of
Moscow
Moscow
Region
Total for
Company
Total length of overhead transmission lines of high voltage electrical networks, km, including by voltage rating (by circuits): 1,154 14,440 15,594
– 220 kV 422 1,091 1,513
– 110 kV 699 9,145 9,844
– 35 kV 33 4,204 4,237
Total length of overhead transmission lines of power distribution networks, km, including by voltage rating (by circuits): 441 50,051 50,492
– 10 kV 28 18,921 18,949
– 6 kV 51 8,350 8,401
– 0.4 kV 362 22,780 23,142
Total number of high-voltage substations, units 111 496 607
– 220 kV 28 15 43
– 110 kV 81 273 354
– 35 kV 2 208 210
Installed transformer capacity of substations, MVA 21,224 23,228 44,452
Total length of cable lines, km, including by voltage rating: 60,470 11,450 71,920
– 500 kV 0.9 - 0.9
– 220 kV 181 0.3 181
– 110 kV 663 20 683
– 35 kV 25 517 542
– 20 kV 160 - 160
– 10 kV 34,170 5,361 39,531
– 6 kV 6,164 3,723 9,887
– 0.4 kV 19,106 1,829 20,936
Total number of transformer substations of distribution networks, units 13,715 14,367 28,082
Installed transformer capacity of distribution networks, MVA 16,341 4,868 21,209