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Nowadays renewable energy sources are actively promoted as the most sustainable types of power to drive electricity generation of the future. Distributed generation with the use of wind turbines, solar panel, and biological fuel may become an answer to the numerous challenges which large power grids are facing. But integration of renewable energy based generation facilities requires not only availability of special technical means but also establishing of new types of trading patterns and platforms are necessary. This article provides the concept of smart billing system which allows to involve single households to the progressive type of energy consumption and generation and creates the new type of energy system and market participantprosumer. Two types of billing approaches are suggested for households equipped with renewable energy sources based generation facilities. The first one implies that generated energy is consumed by the household itself and the second one implies that surplus of generated energy is sold to the grid. As calculation has shown the first pattern is beneficial for small facilities which in overall don't have a large surplus in generation over consumption. And the second one is beneficial for those who generate more than they consume.

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On the basis of theoretical analysis of distributions of the conductivity, current density and specific power of heat release in the high-frequency induction discharge, a law of crowding of maxima of these values has been established.