An analysis of the energy behavior of Greek hotels (Vourdoubas, 2016) showed that 72-75% of the total energy was consumed in space heating, hot water production and air conditioning. 15% was consumed in catering, 8-9% for lighting and the rest for the operation of various machinery.
In another study in the region of Crete (Zografakis et al, 2011), where 32 hotels were assessed, it was found that the mean annual electricity cost per bed was € 112.17 and that 87.5% of the hotel managers agreed or fully agreed that efficient energy management could increase hotel profits. On the other hand, they stated that only 53.2% agreed or fully agreed that tourists selected their hotel accommodation based on its environmental image.
According to the data provided in the table, we can see the annual energy consumption in different regions and countries, which measures different data. From the table, we can see that hotels in Europe consume around 305-330 KWh/m2 annually. Hotels in Greece consume a bit less, which ranges between 200-290 KWh/m2 while Southern Europe as a region consumes a bit less, around 128-171 KWh/ m2Â annually.