Your solar power system requires the proper support system of solar panel mounting brackets. Being a homeowner, contractor, or business owner looking into solar, you need proper bracket selection to make your setup. When planning a solar installation, one of the most commonly overlooked details is the number and type of mounting brackets required to safely secure each panel. While panels may seem light, they must withstand years of exposure to wind, rain, snow, and thermal expansion. Below, we break down the key considerations and provide actionable recommendations to ensure a secure, efficient installation. Basic Bracket Requirements Solar. A solar mounting bracket —often called solar racking or a mounting system—is the engineered backbone of any photovoltaic (PV) installation.