Does the height of pole-mounted solar panels affect efficiency?

Angle of Incidence

When installing pole-mounted solar panels, the optimal angle of incidence varies depending on your location. For most regions, a tilt of 30 degrees is recommended to maximize energy production. However, if you live in an area with high levels of snowfall or heavy tree coverage, a steeper tilt of 40 degrees may be necessary to ensure snow slides off the panels and debris is cleared. In areas with high temperatures, a lower tilt of 20 degrees can help reduce overheating.

Shading and Obstructions

As the height of a pole-mounted solar array increases, it becomes more vulnerable to shading and obstructions from nearby trees or structures. To mitigate this, ensure the array is installed at a height that clears any potential obstructions by at least 10 feet. This will also help prevent snow or debris from accumulating on the panels.

Wind Resistance and Structural Integrity

While the height of a pole-mounted solar array does not directly impact efficiency, it does affect the structural integrity and wind resistance of the system. To avoid damage from strong winds, ensure the array is installed at a height that is below the local wind zone, typically around 20-30 feet above the surrounding terrain. Additionally, use a sturdy pole mount that can withstand wind loads of at least 100 mph.