Solar systems installed in a home not only produce electricity to power the home free of cost while the sun shines. In Pakistan, sunshine is suitable for the production of sufficient power by using solar panels. The major advantage of the solar power system in a home is that it gives you the ability to produce power consistently when the sun is shining brightly and directly on your home. The excess electricity produced during the daytime can be sold to a local power company (WAPDA) covering the costs of installation of the system in much lesser time.