Setting Up solar panels in suboptimal directions will lessen their exposure to sunlight and decrease their Power generation degrees. Make sure you look at the exceptional angle when setting up solar panels in your roof. On houses with flat roofs, installers can use racking devices that tilt the PV panels https://www.gainsolarbipv.com/gain-solar-blog/which-type-of-roof-is-best-for-solar-panels.html