Quick Answer
Solar panels should be positioned to maximize exposure to the sun, with an optimal distance from trees varying depending on their size and location.
Calculating the Optimal Distance
When determining the ideal distance between solar panels and trees, it’s essential to consider the azimuth of the panels. Azimuth refers to the compass direction the panels face, with north-south orientation being the most common. For south-facing panels, a distance of 10-15 feet (3-4.5 meters) from trees with a diameter of 10-20 feet (3-6 meters) is recommended. This allows for sufficient clearance while maintaining optimal exposure to sunlight.
Tree Shade and Panel Efficiency
Trees can significantly impact solar panel efficiency, especially during peak summer months when the sun is high in the sky. A rule of thumb is to position panels at least 1-2 times the diameter of the tree away from its branches. This ensures that the panels receive minimal shade, which can reduce energy production by up to 20%. For example, a solar panel array near a 20-foot (6-meter) tree should be positioned at least 20-40 feet (6-12 meters) away to minimize shading.
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