There are almost as many ways to mount solar panels as there are people who want them,  here are a few examples that work well.

           We designed and built this assembly for a man who is an honest to God rocket scientist! As you may imagine, we studied this in depth before building it. consequently,there are some nice details, like the stern light on the end of the dinghy crane................

This is a mounting assembly to go on top of a bimini, low profile, and STRONG!