The two factors that such an angle is controlled by are the orientation north south east west and the angle of the panels from the surface of the earth.
Best orientation for solar panels in sydney.
In fact all southern hemisphere locations should ideally position panels in a northerly direction.
If the loads are roughly equal in summer and winter tilting the panels at latitude should be fine.
East west if you are on a low 6 12 cent feed in tariff and you want to maximise your morning and afternoon production.
The standouts are darwin with only a 17 reduction and hobart where total output is reduced by 33.
For example if you reside in sydney a roof pitch of 34 would be considered ideal as this is equal to the latitude angle 33 86 of the nsw capital.
Solar panels should face south for any home in america to obtain maximum power generation.
It allows standard eaves overhangs to admit winter sun to heat the building and exclude summer sun with no effort from the occupants and no additional cost.
The ideal situation is when the sun is hitting the panels at a perfectly perpendicular angle 90.
If your winter heating loads are supplied by electricity as opposed to gas or wood on the other hand then tilting your panels back at latitude plus 15 would be better.
If your property is located in the northern hemisphere panels facing south will perform best.
Panels facing west produce around 12 less electricity overall than north facing solar panels.
Within the brisbane solar industry most people will tell you that the ideal location to place to put your panels is.
North if you are on an old 44 52 cent feed in tariff and want to sell power back to the grid.
However solar panels can be orientated on any roof that faces south of either east or west.
The ideal orientation for living areas is within the range 15 w 20 e of true or solar north although 20 w 30 e of true north is considered acceptable.
They reach their maximum output around one and a half hours after noon and just before sunset will produce around one quarter of their peak maximum.
Updated may 18 2020.
Panels mounted on a standard pitch roof facing east or west will produce approximately 15 less output than panels mounted on a south facing roof of a standard pitch.
The ideal angle for solar panels in australia is usually equal to the latitude angle of the location of the property.
This means that for best results the roof pitch of your property should ideally be equal to the latitude angle with the panels mounted at the same angle as the roof.
For australia solar power yields are higher when panels face north.
They also produce less electricity in the morning but more in the afternoon.