Summary: Discover proven methods to optimize solar panel layouts for residential, commercial, and industrial projects. To achieve optimal conversion of solar energy, it is. This section addresses where to install the PV panels, which direction to aim them, how much to tilt them, and how determine if they will be shaded by obstacles. Shading by nearby (or distant) trees, building, mountains, etc. This page helps you visualise layout on a roof or ground area using available space, orientation, and panel dimensions. Use the interactive tool below to translate that into a panel count. Orientation Impact is Massive: The difference between optimal and poor solar panel placement can impact energy production by up to 30%, making proper positioning one of the most critical factors in maximizing your solar investment return.