The electricity bill per m2 varies according to:
whether or not there is electric heating: heating represents, on average, 60% of a household's energy consumption
the characteristics of the accommodation: excellent or inadequate insulation, consumption class of household appliances, presence of a thermostat for heating, etc.
the habits of the occupants: number of inhabitants, number and type of devices used, present only in the evening and on weekends or also during the day, etc.
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