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** Description:** The analysed dynamics of absolute and relative losses of electric power is in the electric networks of Ukraine, main reason of height of losses is certain electric power, considered existent methods of calculation of losses of electric power in grids, theoretical and practical grounds are given, in relation to their use, the ways of decline of losses of electric power are offered in electric networks.

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Keywords:
** losses of electric power, methods of calculation of losses of loadings, electric networks, grid, technological and commercial losses of electric power

Vasiuchenko, P.V. (2014), “Analiz suchasnykh metodiv obliku vtrat elektroenerhii v enerhosystemakh Ukrainy” [An analysis of modern methods of account of losses of electric power is in grids of Ukraine],