If your roof doesn t face due south you could install solar modules on a south facing wall instead.
Solar panels south facing wall.
In the uk south facing panels will generate more than other orientations.
Wall mounted vertical panels are still an energy generating option for solar installers.
Your solar panel orientation is very important when it comes to maximising the amount of electricity that your solar panels will produce.
If your roof faces east west rather than north south you have a few options.
In northern hemisphere most solar panels point south.
It is relatively shade free.
Even if i had the newer high tech solar panels and i only got 50 to 30 compasity it is better than nothing.
Most solar panels are facing the wrong direction say scientists.
The diagram shows how the sun passes over a house with solar panels on the south and west facing roof surfaces.
Trees bushes or other buildings that cast shadows on the wall will make the solar panels less efficient.
When the sun shines onto the surface at an angle the panel will still generate electricity but it will be less effective.
See the chart below for a production breakdown.
But west facing panels are able to generate more even flow of electricity.
What happens if your roof isn t facing south.
Solar panels facing east or west won t get as much light as those on a southern facing roof.
This will only work if the wall receives lots of direct sunlight i e.
Install your panels on a wall.
The sun rises at 5 52 am and begins directly shining on the south facing panels at 8 15.
Installers have adapted pre existing mounting and racking technology or developed their own to install solar panels on the south facing walls of buildings.
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.
Let s walk you through an average day august 6th to be exact.
As we re in the northern hemisphere the best solar panel orientation is obviously south but.
Solar panels perform at their best when the sun is shining straight on to the panels.
Solar panel orientation in the uk.
The same installation with vertical solar panels however will produce 4 173 kwh each year a drop of 32 in yearly production.