According to calculations from ESO, the typical daily electricity consumption for most households is about 3 kWh. However, annual usage varies significantly based on dwelling size. For instance, a small house may consume about 3,000 kWh annually, whereas a larger residence could utilize approximately 5,000 kWh, equating to a daily draw of 8.2 to 13.7 kWh.
It is important to note that these standard figures do not reflect the energy needs during a power outage. In emergency scenarios, consumption must be strictly limited to the most critical functions to conserve remaining power. Essential appliances and systems require minimal energy inputs.
For example, a refrigerator consumes about 0.9 kWh per day, while maintaining internet connectivity requires about 0.25 kWh. Basic illumination from a few LED lamps accounts for roughly 0.2 kWh, and charging two phones and laptops requires about 0.4 kWh. Furthermore, the automation for the heating system, circulation pump, or water pump consumes an estimated 0.4 to 0.5 kWh daily.
By prioritizing these essential loads, the overall daily requirement for maintaining basic functionality can be reduced significantly to about 2.2 kWh, demonstrating a substantial reduction in power demand when the main grid is unavailable.
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