We assumed a 40 elevation for the roof.
Solar panels south west facing roof.
The sun rises at 5 52 am and begins directly shining on the south facing panels at 8 15.
For years homeowners who bought solar panels were advised to mount them on the roof facing south.
Here s a quick example of a south west facing roof in london.
What happens if your roof isn t facing south.
At higher pitches the difference increases.
As we re in the northern hemisphere the best solar panel orientation is obviously south but.
Your solar panel orientation is very important when it comes to maximising the amount of electricity that your solar panels will produce.
That captures the most solar energy over the course of the day which benefits the homeowner but.
Why orientation matters with rooftop solar.
Let s walk you through an average day august 6th to be exact.
Even with this decrease in performance solar panels will produce enough electricity to save you hundreds of dollars a year.
I would be grateful for any thoughts suggestions on the direction to face solar panels.
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.
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.
An example of a south west facing roof.