The cost depends upon the type of panel chosen and the number of panels needed. Though it is only a one-time expenditure, there are a lot of advantages in solar installation including saving utility bills and feeling more relaxed in using the home appliances.
Panels are strategically placed at the perfect angle to receive the maximum sunlight because the full capacity will be activated only when the panel faces the sun. It requires no fuel to produce energy and in addition, it does not emit any harmful pollution to the environment.