Solar Panels On South Facing Roof

North facing panels on the other hand generally produce.

Solar panels on south facing roof.

Solar panels perform at their best when the sun is shining straight on to the panels. 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. Even with this decrease in performance solar panels will produce enough electricity to save you hundreds of dollars a year. The results backed us up on this theory showing poor.

However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner. In the uk south facing panels will generate more than other orientations. Let s walk you through an average day august 6th to be exact. Debating on a having part of my solar panels 6 out of 20 facing west to catch some sun in the winter or b am i better off making more sun all facing south and banking that extra power made in a partial credit from the electric company for use in the winter time.

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. Why orientation matters with rooftop solar. What happens if your roof isn t facing south. When the sun shines onto the surface at an angle the panel will still generate electricity but it will be less effective.

Do you have to have a south facing roof to have solar panels. The sun rises at 5 52 am and begins directly shining on the south facing panels at 8 15. The diagram shows how the sun passes over a house with solar panels on the south and west facing roof surfaces. 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.

Even if your roof doesn t face directly south you can still produce quite a bit of electricity. In sydney south facing solar panels will typically produce around 28 less energy than north facing panels and the steeper the roof the less. The flatter a south facing roof is i e. In general solar panels that are oriented directly east or directly west will produce about 20 percent less electricity than if they were facing south.

Your solar panel orientation is very important when it comes to maximising the amount of electricity that your solar panels will produce. For most australians south is the worst direction modules can face and some people consider installing panels facing south almost as large a mistake as installing them upside down. Hi i live in hawaii 96740 and have a south facing roof. As we re in the northern hemisphere the best solar panel orientation is obviously south but.