In general, the recommended spacing for solar photovoltaic brackets is typically between 5 to 10 feet (1. 5 to 3 meters) horizontally and 3 to 5 feet (0. In most cases, solar panel brackets (also called mounting clamps or supports) are spaced based on the following factors:. One of the most important details during setup is the spacing between solar panel brackets, which affects the structural integrity, wind resistance, and lifespan of the system. This includes factors such as light reception, heat dissipation, and ease of maintenance. In addition, for different types of photovoltaic. Summary: Proper photovoltaic panel bracket spacing isn't just about fitting panels on a roof—it's a science that balances energy output, structural safety, and long-term ROI.