A solar panel array is one of the free and environmentally friendly energy that you can prefer for powering your household. Among the factors to consider before installation of a solar panel array is the number of solar panels.
There are many things that have to be taken into consideration since different households have different energy needs. It requires a clear calculation of the number of solar panels that are necessary to power your house. There is a straightforward algorithm that makes it easy for one to calculate the number of solar panels needed in his or her home.
This calculus requires your monthly electricity bill in order to find out your electricity usage. It also important to know duration or number of hours of sunlight your house receives every day and how many watts your solar panels can produce.