Solar Panels South Facing Wall

Solar panels perform at their best when the sun is shining straight on to the panels.

Solar panels south facing wall.

This will only work if the wall receives lots of direct sunlight i e. See the chart below for a production breakdown. A south facing 5kw installation in minnesota with solar panels at the optimal tilt angle of 45 degrees will produce around 6 148 kwh a year. One solution is to compensate by increasing the solar collector area either using more panels or larger collectors.

If your roof doesn t face due south you could install solar modules on a south facing wall instead. When the sun shines onto the surface at an angle the panel will still generate electricity but it will be less effective. Trees bushes or other buildings that cast shadows on the wall will make the solar panels less efficient. In the uk south facing panels will generate more than other orientations.

Install your panels on a wall. If your roof faces east west rather than north south you have a few options. The same installation with vertical solar panels however will produce 4 173 kwh each year a drop of 32 in yearly production. Installers have adapted pre existing mounting and racking technology or developed their own to install solar panels on the south facing walls of buildings.