Solar Panel Orientation — What’s Best for Maximum Sunlight?

Latitude-Based Orientation

To determine the ideal orientation for your solar panels, consider your location’s latitude. In northern latitudes, 37-39 degrees is ideal, while in southern latitudes, 22-25 degrees is best. This angle allows the panels to receive optimal sunlight throughout the year.

Understanding the Sun’s Path

The sun’s path changes throughout the year, with its highest point in the sky occurring around June 21st in the northern hemisphere. To maximize energy production, solar panels should be installed at an angle that aligns with this path. A rule of thumb is to use the latitude of your location as the angle of the panels, but also consider the local climate and any shading issues.

Panel Tilt and Azimuth

While the general rule of thumb is to face south in the northern hemisphere, there are some nuances to consider. If possible, tilt the panels slightly towards the east or west to account for the sun’s movement throughout the day. A 5-10 degree tilt can make a significant difference in energy production. Additionally, consider using a tracker system that follows the sun’s movement, but be aware that these systems can be more expensive and complex to install.