When setting the ground system span for a solar installation, there are several factors to consider. The ground mounting system span refers to the distance between the support structures that hold the solar panels. Here's a general process for determining the appropriate ground mounting solar structure span:

Assess the available space: Measure the area where you plan to install the solar panels and consider any constraints or obstacles that may affect the configuration. Take into account factors such as site dimensions, terrain, shading, and proximity to buildings or trees.

Determine the row orientation: Decide on the orientation of the solar panel rows based on the available space and the desired energy output. Factors such as the angle of the sun throughout the day, local weather patterns, and any shading should be taken into consideration.

Consider panel dimensions and layout: Determine the dimensions of the solar panels you plan to install. The panel's length and width will impact the spacing between the support structures. Additionally, consider the desired panel layout, such as portrait or landscape orientation, and any spacing requirements provided by the panel manufacturer.

Account for clearance and maintenance: Leave adequate space between the rows of solar panels to allow for maintenance access. This includes space for cleaning, inspection, and potential repairs. Check local regulations or panel manufacturer guidelines to ensure compliance with recommended clearance requirements.

Factor in wind and snow loads: Consider the wind and snow loads in your location when determining the ground system span. Wind and snow can exert forces on the solar panels and support structures, so it's important to select a span that can withstand these loads. Consult local building codes, engineering standards, or engage with a structural engineer to ensure compliance.

Seek professional guidance: If you're unsure about the optimal ground system span or if you have complex site conditions, it's best to consult a professional solar installer or a structural engineer. They can assess your specific situation, conduct load calculations, and provide recommendations based on local regulations and industry best practices.

Remember, the optimal ground system span will depend on various factors, so it's important to evaluate your specific site conditions and consult with professionals to ensure a safe and efficient solar installation.