Investigating the role of solar panels in the energy self-sufficiency of residential buildings

The main purpose of this research is to investigate the role of solar panels in the energy self-sufficiency of residential buildings in the sixth district of Shahr Herat. Solar energy is an endless source of abundance and is free from pollution and protects the environment. The method carried out in this research was carried out in two statistical and computational sections, in which ۴۰ people were determined in the statistical section and randomly distributed to experts, university professors and companies importing solar panels, and the obtained data were obtained by the Excel program. He came and was kidnapped. And in the calculation part of the electricity requirement of one day of the building, the cost of electricity purchased for two months in the building, the cost of the solar panels system was determined with the amount of energy that a building needs. According to the findings of the research, if solar panels are used, it helps in energy self-sufficiency of residential buildings in Herat city by about ۶۲.۵%. Every two months, households buy electricity in their building for an average amount of ۵,۰۰۰ thousand Afghanis, and the cost of creating a solar panel system with ۱.۵ kilowatt hours of energy is estimated at ۶۱,۵۶۰ Afghanis. And the result of this research is that you can get the cost of this system for two years and one month by using the purchased solar panels and achieve economic benefits for several years. Also, the citizens of Herat city can earn through this system and sell their produced electricity to the government

Keywords:

Solar panels , building , self-sufficiency , economic provisions , environment , cost , Herat city.