Solar Power West Facing Roof

We are looking at installing a 5kw system lg neon 2 panels and fornius inverter on a double storey house and had initially thought of splitting the panels between our north east and west facing roofs so that we got production over most of the day 8 panels north 4 east and 4 west.

Solar power west facing roof.

And while there is some indication that facing solar panels to the west can also be. An example of a south west facing roof. The diagram shows how the sun passes over a house with solar panels on the south and west facing roof surfaces. If you look back to systems that were built a few years ago you would typically find them facing south says david wedepohl director of communications and markets at the german solar industry association bsw.

Of course you cannot install east west facing solar panels on your roof if it does not already slant in those directions. For homes with roofs that face to the south and that have an appropriate pitch for mounting solar panels installing an efficient home solar system is fairly straight forward because both the roof orientation and angle pitch are optimal for harvesting clean energy from the sun. Tra sun and snow. 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.

We assumed a 40 elevation for the roof. Can solar panels be fitted if your roof is east west facing. 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. However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner.

At lower pitches say 30 the east west facing panels perform slightly closer to south. That s much better than most people would guess and even an east west facing roof can generate around 80 of the maximum. Is my roof suitable for pv solar panels. The sun rises at 5 52 am and begins directly shining on the south facing panels at 8 15.

I get asked this a lot and there isn t really a simple answer. For example in brisbane if your panels are facing west 270 and are angled 20 from horizontal you will get 89 of the energy compared to the optimum orentation of north and 30. This table shows you how much energy you can expect to get from almost any combination of solar panel direction and angle in the capital cities compared to the optimum orientation. At higher pitches the difference increases.

A south south east or south west facing roof is ideal for homes in the uk. 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.