Abstract
More than one-third of the electricity generated in the world is being consumed in the residential sector. This study aims to model, simulate, and estimate electrical energy consumption in three different building styles. That is in order to compare and contrast energy consumption categories and their related social and architectural aspects for an unaddressed region that have its particular weather conditions and its special social and environmental aspects. The simulation is done by detailed modeling of the buildings using EnergyPlus. The results demonstrate that water heating systems account for almost one-fifth of the annual energy consumption. Cooling loads were found to be more than 5 times the heating loads. The peak of energy consumption was recorded to be in July, while the lowermost recorded in April and in November. The Apartment style requires the lowest annual energy consumption by an amount of 10 kWh/m2 per person followed by the Duplex house with 13 kWh/m2 per person, while the Single-Story house comes with the highest energy consumption of 18 kWh/m2 per person. These represent local power consumption of 69, 79, and 90 kWh/m2, respectively. On average, the water heating, space cooling, plus interior lights consume about 60% of total energy requirements with a mostly equal share for each, while the equipment has the maximum share of 35% of the total, leaving about 5% for the rest. The results of this study may be used as a reference line in the future for the calculations of energy savings in similar regions.
Highlights
And internationally, buildings are responsible for consuming considerable amounts of energy
The results demonstrate that water heating systems account for almost one-fifth of the annual energy consumption
The Apartment style requires the lowest annual energy consumption by an amount of 10 kWh/m2 per person followed by the Duplex house with 13 kWh/m2 per person, while the Single-Story house comes with the highest energy consumption of 18 kWh/m2 per person
Summary
Buildings are responsible for consuming considerable amounts of energy. And Internationally, heating, cooling, and ventilation account for one-fifth to one-third of total energy consumption in residential buildings [1,2]. The efficient use of energy will save the available energy resources for the generations. The connection between the increased CO2 release to the atmosphere and the use of energy is another motive to render a more efficient energy usage, and lower the total energy demand. Many types of research have been devoted to analyzing the energy performance of the buildings related to the residential sector. Building energy efficiency and performance topics were expanded via investigations of the existing actual buildings and computational models [3,4]
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