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The article describes the current state of railway non-traction electric power supply system in the electric grid complex. The main drawbacks of the existing electricity metering system in 0.4-10 kV distribution networks are shown. The main directions of non-tractive electric grid complex innovative development are considered, including directed to increase the efficiency of electric energy transformation, transmission and consumption processes due to the management of distribution networks operating modes. The basic principles of "Digital district power supply" constructing are given.

The article analyzes the current state of electricity measuring on the electric rolling stock. The main shortcomings of the existing electric power measuring systems for train traction are shown. The technical requirements for information-measuring systems of electricity accounting on electric rolling stock are presented. The technology of electricity accounting on the rolling stock with the use of information-measuring complexes and the procedure for processing the measurement results are described. The minimum required list of fixing parameters during the trip is determined. The procedure for calculating the electric power consumption of electric rolling stock within the boundaries of an arbitrary electricity metering zone is given. The prospects of application of the proposed developments on the railway network are considered to provide monitoring of the transportation process energy efficiency.