TY JOUR TI DISTRIBUTION POWER GRID COMPANIES: PROBLEMS, WAYS OF DEVELOPMENT KW electricity grid company KW electricity losses KW electricity metering KW electricity reform KW business processes JO Bulletin of the Angarsk State Technical University AU Golovschikov, V.O. AU Tyuryuhanov, S.F. PY 2020 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»