Solar Panels South West Facing Roof

An example of a south west facing roof.

Solar panels south west facing roof.

Your solar panel orientation is very important when it comes to maximising the amount of electricity that your solar panels will produce. As we re in the northern hemisphere the best solar panel orientation is obviously south but. 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. I would be grateful for any thoughts suggestions on the direction to face solar panels.

Why orientation matters with rooftop solar. 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. Here s a quick example of a south west facing roof in london. We assumed a 40 elevation for the roof.

Even with this decrease in performance solar panels will produce enough electricity to save you hundreds of dollars a year. At lower pitches say 30 the east west facing panels perform slightly closer to south. The sun rises at 5 52 am and begins directly shining on the south facing panels at 8 15. What happens if your roof isn t facing south.

The diagram shows how the sun passes over a house with solar panels on the south and west facing roof surfaces. At higher pitches the difference increases. That captures the most solar energy over the course of the day which benefits the homeowner but.