South Facing Roof Solar Panels

Many roofs are going to have slopes between 30 and 40 degrees which means that solar panels can lie flush against the roof and produce enough electricity for attractive returns.

South facing roof solar panels.

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. Solar panels are most effective when installed on south facing roofs. North facing panels on the other hand generally produce much less energy than south facing panels and usually present challenges for homeowners looking to go solar as panels installed on these roofs will not produce enough to make financial sense. Hi i live in hawaii 96740 and have a south facing roof.

In the uk south facing panels will generate more than other orientations. The flatter a south facing roof is i e. The closer to horizontal the better it will be for solar. Options for properties with north facing roofs.

The sun rises at 5 52 am and begins directly shining on the south facing panels at 8 15. Let s walk you through an average day august 6th to be exact. Solar panels perform at their best when the sun is shining straight on to the panels. When the sun shines onto the surface at an angle the panel will still generate electricity but it will be less effective.

The direction that your roof faces also referred to as the azimuth angle is the primary factor determining how much sunshine your solar panels will see over the course of the day. 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. In sydney south facing solar panels will typically produce around 28 less energy than north facing panels and the steeper the roof the less. 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.

However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner. The results backed us up on this theory showing poor. Do you have to have a south facing roof to have solar panels. For most australians south is the worst direction modules can face and some people consider installing panels facing south almost as large a mistake as installing them upside down.

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.