As you can see a south facing roof gives the optimal direction for solar panels delivering a potential saving of 194 41 in the first year.
Pv solar panels north facing roof.
Adding modules on the north side of the roof will not add much bang for the customer s solar buck and would qualify as solar malpractice in my book.
If you live in a tropical area your solar panels will be to the north or to the south of the sun depending on the season.
Do you have to have a south facing roof to have solar panels.
Well when it comes to solar panels west is second best.
An ideal south facing roof here is pitched at 7 12 39ish degrees and the north side of that roof will produce less than half as much electricity.
In the northern hemisphere the sun crosses the sky a little to the south which means putting solar panels on a south facing roof is the best way for homeowners to capture the most solar energy.
As an example a roof facing due south in brisbane will receive almost as much sunlight as a north facing roof in hobart.
Don t let them install solar panels on a north facing roof.
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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.
Solar panels perform at their best when the sun is shining straight on to the panels.
Cleve hill solar park.
In the uk south facing panels will generate more than other orientations.
If you have a north facing roof you might think that solar just isn t going to work for your property.
Even though it s true that north facing roofs aren t ideal for solar you still have options.
Not discussed here is the case for going solar in the tropics e g.
Connect with a solar expert to see if you can take advantage of tou billing or whether you d be better off with panels on a south facing roof.
Solar panels are most effective when installed on south facing roofs.
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.
Solar arrays that are situated east west can squeeze in more rows and panels and therefore a greater generation capacity than their south or north facing cousins.
Meanwhile a north facing roof would still save you money on your energy bills but not as much 92 35.
Darwin and far north queensland.
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.
But what if you don t have a suitable south facing roof.