The roof has emerged as the most popular location for two reasons. First, in order to convert sunlight into electricity, Solar Mounting Bracket needs a direct line-of-sight between them and the sun. Trees, other buildings, or any other obstacle that provides shade or otherwise gets in the way will block the sun from your homemade solar panels. The easiest way to solve this problem is to raise the solar power panels up higher than the obstacles. To do that, of course, you should place the DIY solar panels on the roof.
Second, Ballast mounting system is big, and takes up a lot of space. Furthermore, you will probably need more than one to power your entire home. If you mount your homemade solar panels on the ground, you may quickly fill your entire yard. Mounting DIY solar panels in the roof instead has the advantage of keeping them out of the way and freeing up your yard.