Even a roof that doesn't fit the ideal requirements can still be suitable for solar panels. Solar installers will provide slightly differently advise about the most suitable way to maximise energy generation. They will also recommend additional technologies you can use to boost your supply. If in doubt, find a few solar companiesto. The best type of roof for solar panels is a south facing roof as they tend to generate the most electricity from solar panels. South facing roof panels see the sun when it is at its most intense for the longest period of time, which is why they generate the most energy. However,. The best roof pitch for solar panels is between 30-40°, but the angle of the roof can fall outside of this range and generate electricity effectively. Solar panels can still absorb sunlight even when horizontal. However, solar panels which are more below 12º from horizontal. While it isn't recommended to have solar panels installed on a north facing roof in the UK, you can still have them installed if you wish but they won't perform as well – as we saw from the table above. So if you don't have a south facing roof, don't let that put you off the idea of. Whether you roof is big enough for solar panels depends on the size of the array you want installed. You can also look at our other resources to see.