South West Facing Roof Solar Panels

Even with this decrease in performance solar panels will produce enough electricity to save you hundreds of dollars a year.

South west facing roof solar panels.

An example of a south west facing roof. We also took at look at a tilt angle of 40 for the south facing orientations mainly just to show that a south facing roof with a steep pitch is probably not a good place for solar panels. 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. The results backed us up on this theory showing poor. Let s walk you through an average day august 6th to be exact. The closer to horizontal the better it will be for solar.

Why orientation matters with rooftop solar. 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. Debating on a having part of my solar panels 6 out of 20 facing west to catch some sun in the winter or b am i better off making more sun all facing south and banking that extra power made in a partial credit from the electric company for use in the winter time.

The flatter a south facing roof is i e. Here s a quick example of a south west facing roof in london. We assumed a 40 elevation for the roof.