The state regulation of the energy sector as a natural monopoly

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Dobrovolsky V. C., Kostiuk V. 0. The dependency between price and demand for electric energy with tariffs discriminated in three time ranges over 124-hour period Dobrovolsky V. C., Kostiuk V. 0. The dependency between price and demand for electric energy with tariffs discriminated in three time ranges over 124-hour period

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A model is developed which describes dependencies between prices and demand for electric energy with tariffs dis-criminated in three time ranges over 24-hour period. The model is a set of nine mutually dependent cubic polynomial function their parameters forming three 3-dimensional matrices and a 3-dimensional vector. The parameters are determined statistically, or by expert evaluation with the help of the least square method. A numerical example is elaborated with data comparable to real one, by which the influence of the tariff changes on the load curve is investigated.

Keywords: electric energy price and tariff, electric energy demand, time range for tariffs, load graph.