2 articles with this tag
The optimal tilt for solar in Perth is around 30°, but most Perth roofs sit at 15–22°, and the generation gap is only about 2%. Here's what actually moves the needle, and when a tilt frame is worth paying for.
North-facing is the best orientation for Perth solar, but plenty of homes have their usable roof facing south. Here is the real output penalty, when a south-facing array is still worth it, and when to choose another option.