Solar Panels North East Facing Roof

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.

Solar panels north east facing roof.

I have a system installed with 16 panels east and 16 panels west. Solar panels facing east or west won t get as much light as those on a southern facing roof. Why orientation matters with rooftop solar 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. As i am in perth.

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. 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. I did a quick check using nrel s pvwatts tool and it looks like in placentia ca there s about a 10 difference in favor of flat south facing panels over east facing panels installed on a 30 pitched roof. 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. I get asked this a lot and there isn t really a simple answer. I have traced the fault to be the initial mains voltage. North facing panels on the other hand generally produce much less energy than south facing panels and usually present challenges for homeowners looking.

One solution is to compensate by increasing the solar collector area either using more panels or larger collectors. If your roof faces east west rather than north south you have a few options. 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. However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner.

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. The problem i am having is the inverters keep rebooting. 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. Each 16 is going into a separate 2k5 inverter 2 inverters.