ИСТИНА

A dependence of electric power consumption E on the air temperature T has been studied for each separate day for the period from 1990 to 2015 (totally – 9496 values). As it is shown the relation is in general decreasing in conditions of cold Moscow region: energy consumption as a rule reduces with a rise of the temperature. However, in time of severe frosts the energy consumption increasing goes to nothing due to special measures for energy savings whereas during heat wave episodes of extremely hot weather an opposite tendency appears due to additional consumption for the air conditioning. The relation between E and T for separate years demonstrates strong weekly periodicity at the dynamics of E daily values. As a result statistical distribution of E daily values for separate years is bimodal. One its mode is connected with working-days and another one – with non-work days (Saturday, Sunday and holidays) when consumption is much less. In recent time weekly cycle at the electric consumption became weaker due to total fall of industry in Moscow. A relation of energy consumption with the relative humidity is absent whereas its relation with the water vapor pressure e indirectly reflects a dependence of this parameter on the air temperature.