Solar Panels On South Facing Roof

In the uk south facing panels will generate more than other orientations.

Solar panels on south facing roof.

Between south west and south east. If you don t have a south facing roof east or west facing panels can also be an option you will typically see only a 20 decrease in energy production from a roof facing due east or west. Solar panels should face south for any home in america to obtain maximum power generation. For the vast majority of u s.

Others say it s fine as long as you install the additional technologies. However solar panels can be orientated on any roof that faces south of either east or west. The direction solar panels should face is true south a k a. Property owners the ideal angle for a solar panel installation is close or equal to the latitude of your home on a south facing roof.

When the sun shines onto the surface at an angle the panel will still generate electricity but it will be less effective. The conventional wisdom says no solar should never be installed on a south facing roof. The direction that your roof faces also referred to as the azimuth angle is the primary factor determining how much sunshine your solar panels will see over the course of the day. Best solar panel angle by zip code why does the angle of a solar panel matter.

To correct the compass reading your solar installer will calculate the magnetic declination of your site. Solar south or geographic south. In sydney south facing solar panels will typically produce around 28 less energy than north facing panels and the steeper the roof the less electricity they will produce. Do you have to have a south facing roof to have solar panels.

But in the far north the difference is not so great and in townsville south facing solar panels will only produce around 17 less electricity in total than north facing ones. An easy way to determine the direction that your roof faces is to use google maps. Solar panels perform at their best when the sun is shining straight on to the panels. Solar panels work best when they re directly facing the sun and the sun sheds the most light during the middle of the day when it s to the north of australia.

Solar panels are most effective when installed on south facing roofs. If the panels face west instead they get more energy during the afternoon an evening. Many solar panel installers advise not to install on roofs more than 45º from south i e. On a south facing roof the panels produce energy when the sun is high in the sky but as the evening sets in that production decreases.