Photovoltaic mounting system

Photovoltaic mounting systems (also called solar module racking) are used to fix solar panels on surfaces like roofs, building facades, or the ground. These mounting systems generally enable retrofitting of solar panels on roofs or as part of the structure of the building (called BIPV).


A solar panel mount (or solar racking system) is the foundation that holds your solar array in place. Mounts are used to attach solar panels to the roof, ground, or another surface on your property. With proper installation, a sturdy mount secures your panels in harsh weather and protects your investment. Before choosing your solar mounting bracket, determine whether you're doing ground mount or roof mount solar racking.


Roof mounts are less expensive because they use your existing roof structure as a foundation. They also take up less room on your property. Ground mounts take up more space, but they're easier to access for installation and repair. They also give you greater control over the orientation of your array to maximize production.


Roof mounting


The solar array of a PV system can be mounted on rooftops, generally with a few inches gap and parallel to the surface of the roof. If the rooftop is horizontal, the array is mounted with each panel aligned at an angle. If the panels are planned to be mounted before the construction of the roof, the roof can be designed accordingly by installing support brackets for the panels before the materials for the roof are installed. The installation of the solar panels can be undertaken by the crew responsible for installing the roof. If the roof is already constructed, it is relatively easy to retrofit panels directly on top of existing roofing structures/floating solar structure. For a small minority of roofs (often not built to code) that are designed so that it is capable of bearing only the weight of the roof, installing solar panels demands that the roof structure must be strengthened beforehand. In all cases of retrofits particular consideration to weather sealing is necessary There are many low-weight designs for PV systems that can be used on either sloped or flat roofs, most however, rely on a type of extruded aluminum rails. Recently, tension-based PV racking solutions have been tested successfully that reduce weight and cost. In some cases, converting to composition shingles, the weight of the removed roof materials can compensate the additional weight of the panels structure. The general practice for installation of roof-mounted solar panels include having a support bracket per hundred watts of panels.


Ground-mounted


Ground-mounted PV systems are usually large, utility-scale photovoltaic power stations. The PV array consist of solar modules held in place by racks or frames that are attached to ground-based mounting supports.


Ground-based mounting supports include:Pole mounts, which are driven directly into the ground or embedded in concrete.

Foundation mounts, such as concrete slabs or poured footings

Ballasted footing mounts, such as concrete or steel bases that use weight to secure the solar module system in position and do not require ground penetration. This type of mounting system is well suited for sites where excavation is not possible such as capped landfills and simplifies decommissioning or relocation of solar module systems.


Tripsolar as the professional solar bracket manufacturer, can provide you with any kind of solar mounts, contact us for more details.  

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