Tilt the panels to your latitude.
Average angle for solar panel.
The solar radiation that the panels receive is almost the same.
In case the roof is very steep you may not be able to get the most optimal tilt angle for the panel especially if it is lower than the angle of the roof.
Some who install them on their roofs are somewhat limited but if you have the luxury of choosing exactly how you want your system setup there are a few tricks you can use.
At this level the solar panel can lie flat on the roof and get enough sunlight to produce enough electricity.
Tilt the panels to your latitude.
These angles will give you the best overall output over the course of the year if you re going for a fixed installation.
Tilt the panels to your latitude minus 15.
Choosing the best angle and direction for your solar panels will optimize the amount of sunlight they receive and allow you to get the most out of your solar power system.
For instance in the san francisco bay area the best solar panel tilt angle is between 22 23 degrees.
If you are able to adjust the angle of your solar panels a few times per year here is the adjustment schedule we recommend.
Property owners the ideal angle for a solar panel installation is close or equal to the latitude of your home on a south facing roof.
Tilt the panels to your latitude plus 15.
At 90 from true south therefore east and west production can drop to 30.
This decline is due to the fact that solar panels during most of the day are exposed to weak and not perpendicular sunlight.
Best solar panel angle by zip code.
For los angeles a solar panel tilt of 19 degrees works the best.