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    To facilitate operational control and transmission of electricity to the Power System of Ukraine, we use a sophisticated and functional network of main power transmission lines – the basis for quality and reliable supply of electricity to consumers across Ukraine.

    As of 01.01.2018, our company operated and maintained 137 110-750 kV electrical substations (SS) with the aggregate rated capacity exceeding 78.7 thousand MVA, and 21,3 thousand km of trunk and interstate 220-800 kV overhead power transmission lines (OL).

    To apply uniform technical requirements to construction of new and modernization of the existing power grid, we have developed, and enacted the Technical policy of Ukrenergo NPC SE on development and operation of trunk and interstate power grid (SOU NPC 20.261:2019)* (the “Standard”), a new version has been revised in 2019.

    The main purpose of the Standard is to generalize the available experience in operation, set uniform technical requirements to reconstruction and upgrade of existing and construction of new trunk and interstate power grid.

    Requirements and provisions of the Technical Policy are binding upon research and development, design, repair, construction, installation and setup organizations responsible for facilitating the functioning, operation and development of trunk and interstate power grid, and other entities of the electricity generation and distribution complex in the context of performance of contractual obligations to our Company.

    Development prospects of the Company’s trunk power grid are outlined in the 10-year Development Plan for the Power System of Ukraine.

    Composition of the trunk and interstate power grid of Ukrenergo

    Ukrenergo’s trunk and interstate power grid (as of 01.01.2020)

    Voltage class Power lines Electrical substations
    by route, km by links, km

     

    Number of SSs

     

    Capacity, MVA

     

    800 kV 98,5 98,5
    750 kV 4403,2 4403,2 9 18736,0
    500 kV 374,8 374,8 2 1753,0
    400 kV 339,0 339,0 2 2008,0
    330 kV 12979,8 13533,7 88 49597,9
    220 kV 3019,4 3976,0 33 9207,2
    110 kV 458,3 568,9 6 376,0
    35 kV 122,4 114,1
    Total:

     

    21776,4 23408,0 140 81678,1

    Ukrenergo’s trunk and interstate power grid (as of 01.01.2019)

    Voltage class Power lines Electrical substations
    by route, km by links, km

     

    Number of SSs

     

    Capacity, MVA

     

    800 kV 98,5 98,5
    750 kV 4403,2 4403,2 8 17737,0
    500 kV 374,8 374,8 2 1753,0
    400 kV 339,0 339,0 2 2008,0
    330 kV 12970,8 13533,7 88 49347,9
    220 kV 3019,4 3976,0 33 9207,2
    110 kV 448,7 549,8 4 286,0
    35 kV 112,4 114,1
    Total:

     

    21766,8 23388,9 140 80139,1

    Ukrenergo’s trunk and interstate power grid (as of 31.12.2017)

    Voltage class Power lines Electrical substations
    by route, km by links, km Number of SSs Capacity, MVA
    800 kV 98,540 98,540
    750 kV 4595,111 4595,111 8 16738,0
    500 kV 374,760 374,760 2 1753,0
    400 kV 338,950 338,950 2 1609,0
    330 kV 12972,379 13536,732 88 48972,9**
    220 kV 3019,385 3975,965 33 9394,2
    110 kV 448,728 549,780 4 286,0
    35 kV 112,441 114,051
    Total: 21960,29 23583,88 *137 78753,1

    * – 17 substations are located in the temporarily occupied Autonomous Republic of Crimea, and another 17 substations in the areas temporarily uncontrolled by the Government of Ukraine;

    ** – the total capacity takes into account the autotransformer at SS-330kV “Myrhorod” with the capacity of 200 MVA, installed at the end of 2017 at the expense of “Pivdenna Zaliznytsia” but not reflected on the balance sheet of SE “NPC “Ukrenergo.”

    Ukrenergo’s trunk and interstate power grid (as of 31.12.2016)

    Voltage class Power lines Electrical substations
    by route, km by links, km Number of SSs Capacity, MVA
    800 kV 98,540 98,540
    750 kV 4120,541 4120,541 8 16613,0
    500 kV 374,760 374,760 2 1753,0
    400 kV 338,950 338,950 2 1609,0
    330 kV 12862,389 13423,662 88 48897,9
    220 kV 3019,385 3975,965 33 9394,2
    110 kV 448,728 549,780 4 286,0
    35 kV 112,441 114,051
    Total: 21375,734 22996,249 *137 78553,1

    *-17 substations are located in the temporarily occupied Autonomous Republic of Crimea, and another 17 substations in the areas temporarily uncontrolled by the Government of Ukraine.

    Ukrenergo’s trunk and interstate power grid (as of 31.12.2015)

    Voltage class Power lines Electrical substations
    by route, km by links, km Number of SSs Capacity, MVA
    800 kV 98,540 98,540
    750 kV 4120,541 4120,541 8 16613,0
    500 kV 374,760 374,760 2 1753,0
    400 kV 338,950 338,950 2 1609,0
    330 kV 12862,489 13423,762 88 48897,9
    220 kV 3019,385 3975,965 33 9394,2
    110 kV 453,828 559,980 4 286,0
    35 kV 115,251 116,861
    Total: 21383,744 23009,359 *137 78553,1

    *-17 substations are located in the temporarily occupied Autonomous Republic of Crimea, and another 17 substations in the areas temporarily uncontrolled by the Government of Ukraine.

    Ukrenergo’s trunk and interstate power grid (as of 31.12.2014)

    Voltage class Power lines Electrical substations
    by route, km by links, km Number of SSs Capacity, MVA
    800 kV 98,540 98,540
    750 kV 4120,541 4120,541 8 16613,0
    500 kV 374,760 374,760 2 1753,0
    400 kV 338,950 338,950 2 1609,0
    330 kV 12862,489 13423,762 88 48897,9
    220 kV 3019,385 3975,965 33 9394,2
    110 kV 453,828 559,980 4 286,0
    35 kV 110,793 112,403
    Total: 21379,286 23004,901 137 78553,1

    * available only in Ukrainian