4. Can be Installed on Rooftops: Solar panels might be installed on any number of roofs, which wipes out the issue of trying to find enough space for solar panel arrangement. Not only does it save you space, but it can also end up saving you and your family a lot of money as well. Even though the installation cost of solar panels can be quite high, depending on how large they are and other factors (we will talk more about this in the “cons”), they give a free supply of power, which means that they will eventually pay for themselves in the long run.