For the vast majority of u s.
Fixed angle solar panel.
Best solar panel angle by zip code.
Subtract 15 degrees from the latitude at your location during summer and add 15 degrees to your latitude during winter.
For starters there is no single ideal angle for solar panels.
Solar panels give the highest energy output when they are directly facing the sun.
The sun moves across the sky and will be low or high depending on the time of the day and the season.
At some places as much as a vertical tilt of the panels is needed to get the maximum output during wintertime.
However if the panels are turned at an angle greater than 45 compared to true south production begins to decrease significantly.
For that reason the ideal angle is never fixed.
Determining the best angle can be a tedious task.
Solar panels with a fixed tilt angle.
The angle at which the solar panel is elevated plays a vital role in maximizing the production of energy.
The solar panel angle of your solar system is different depending on which part of the world you are.
There s a simple rule of thumb for calculating the best tilt angle for fixed mount solar panels.
However every place is different as you have to take seasons and the average position of the sun into account when installing one.
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.
This decline is due to the fact that solar panels during most of the day are exposed to weak and not perpendicular sunlight.
The solar radiation that the panels receive is almost the same.