I'm planning to mount 16 panels in portrait orientation in a long single row under the ridge of my roof. In the morning because of trees to the east, the panels will be exposed to sun progressively from west to east. In the afternoon trees to the west will shade the panels one-by-one from west...
I'm considering a grid-tied system that would also be off grid during our frequent power failures. I would anticipate putting a row of panels in portrait mode just below the peak of my roof (that faces 187°) and another row below them across the upper part of the front-porch roof - about 30...
