According to the concord consortium makers of energy3d solar energy modeling software a home in boston ma with panels that face west would get 80 of the electricity that a house with south facing.
North facing solar panels.
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.
For houston the ideal tilt for solar panels on a south facing roof is about 25 7.
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.
Seeing pics of panels on north facing roofs panels in shade and even one system where panels were installed in shade made by an adjacent house all add up to this conclusion.
West facing solar panels get less sun than those that face south but it s not as little as you may think.
We start with a typical residential system in charlotte north carolina.
But we wanted to ask how bad is it to put solar panels on a north facing roof.
We have a blog about east and west facing solar panels and the basic gist is this.
Therefore the best angle for your solar panels is the one that allows the panels to get the most direct perpendicular light.
With a 2 12 pitched roof 9 5 tilt the south facing.
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.
We designed and modeled the system in helioscope our sales and design software platform.
West facing solar panels will also prepare you if your utility ever switched to time of use tou billing because they.
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.
On a north facing roof at 25 7 that would be 5 362.
The government should be basing any tax credits on net metering not the wattage of the panels.
In general west is second best because many places get early morning haze or fog which can reduce the power production of your panels.
North facing rooftop solar panels rarely best for consumers or for the grid university of south australia study finds that when it comes to solar self consumption optimal panel placement is.
This simply proves that the grid tie solar world is full of crooks.
Solar panels produce electricity when sunlight hits their surface and they produce the most energy when that sunlight is exactly perpendicular to the panel face.
For most of the usa it s between 25 and 38 south to north.