Best solar panel angle by zip code.
Solar panel average angle.
Tilt the panels to your latitude plus 15.
However if the panels are turned at an angle greater than 45 compared to true south production begins to decrease significantly.
To get the best out of your photovoltaic panels you need to angle them towards the sun.
The optimum angle varies throughout the year depending on the seasons and your location and this calculator shows the difference in sun height on a month by month.
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.
Most roofs have an inclination of 30 to 40 degrees.
For los angeles a solar panel tilt of 19 degrees works the best.
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 minus 15.
For instance in the san francisco bay area the best solar panel tilt angle is between 22 23 degrees.
These angles will give you the best overall output over the course of the year if you re going for a fixed installation.
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.
If you are able to adjust the angle of your solar panels a few times per year here is the adjustment schedule we recommend.
For the vast majority of u s.
Tilt the panels to your latitude.
At 90 from true south therefore east and west production can drop to 30.