Click your location on the map to calculate your optimal tilt angle!
This angle is calculated from the horizontal!
Or enter your zipcode!
Winter: 0°
Spring: 0°
Summer: 0°
Fall: 0°
This calculator is used to find the optimal tilt angle of a solar array for each season. In general, if you are in the northern hemisphere, you should point your panels due south. If you are in the southern hemisphere, you should point your panels due north.
Please note that a negative value is an indictation that a switch in direction of your panels is necessary. This flip in polarity can occur as you approach the equator and the poles and is due to Earth's tilt.