4. What is the ideal angle to mount the panels?
Usually when mounting on a roof just use the roof angle. For a flat-roof installation the latitude, wind loading, and shading of Solar Mounting Bracket panels must be considered. For maximum power generation the panels should be closer to the summer optimum solar angle, hence 30 degrees is ideal. Using a shallower angle reduces wind loads and also reduces shading, so adjacent rows of panels can be mounted closer together. Hence 20 degrees is also commonly used for flat roof and ground mounted installations.
5. How long might a solar PV system last?
Ballast mounting system life is approximately 25-30 years. They are no moving parts. The panels are tested to withstand hail up to 25 mm in diameter. The panels power output is guaranteed to remain greater than 80% of the original output up until 25 years.
