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Where should a PV array be sited?
There are two main types of PV panel that can be chosen, each with different criteria for installation.Crystalline panels
Most people are aware of crystalline PV panels, which ideally should be sited on a south facing roof or ground mounted support system at a 30°to 40° pitch. However, an east or west facing array can also have up to 85% optimal performance.
Amorphous panel
An amorphous PV panel is considerably thinner that a crystalline panel
and significantly lighter and is designed for roofs that have a pitch of
15° or less. They are also well suited for lightweight roof
structures, such as factories and barns.
PV systems can be accommodated on flat roofs or the ground with a choice of mounting systems to achieve the correct angle of inclination for flat roofed buildings manufactured from a range of materials to suit their location.
PV systems can be accommodated on flat roofs or the ground with a choice of mounting systems to achieve the correct angle of inclination for flat roofed buildings manufactured from a range of materials to suit their location.
Do I need planning permission?
In most regions, domestic PV panel systems are viewed as ‘permitted development’ items that require no planning authority approval, so long as they are installed within certain guidelines.However agricultural, commercial, community and multi-residence dwellings will require planning authority approval.
Wherever necessary we will deal with the local planning authority on your behalf, obtaining written approval before we commence any works.
Shading
Any object throwing shade on to a PV panel will cause a lowering in the performance of the array and must be taken in to consideration when calculating the anticipated energy output for your system.