Solar Panels North West Facing Roof
In other words the absolute best you can hope to get is a 12 improvement by moving the panels.
Solar panels north west facing roof. If you re roof runs directly through the east west orientation there would be no real difference in the energy generated by the panels and the installer is correct about the energy loss through the additional wiring although. North facing panels on the other hand generally produce much less energy than south facing panels and usually present challenges for homeowners looking. 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. Let s walk you through an average day august 6th to be exact.
Solar panels that face north west will produce around 5 less electricity overall than north facing panels. In adelaide panels on a 10 degree roof west facing will give you 88 of the power of panels on a perfect north facing 30 degree roof. Depending on your location and roof pitch you re going to lose somewhere between 10 20 efficiency as a result of not having panels facing in a due north direction. However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner.
The diagram shows how the sun passes over a house with solar panels on the south and west facing roof surfaces. It is not worth the expense. 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. 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.
You either accept that your output will be down to the sort of levels in the table above or you spend a little more money and try to maximise the your output with technology. The preference is a north facing roof but there arguments about the benefits of placing panels on a west facing roof. Their electricity production through the day will be between that of north and facing panels and that of west facing panels. They produce slightly more electricity during the afternoon and slightly less in the morning.
You also can mount solar panels on roofs that face east or west on the roof of another building like a barn or garage or on the ground. Can solar panels be fitted if your roof is east west facing. If you have the option to place the panels in more of a north east or north west direction it is recommended. I get asked this a lot and there isn t really a simple answer.