Ground mounted solar power systems consist of solar modules held in place by racks or frames that are attached to ground based mounting supports.
Rooftops are space constrained and often present siting, shading and waterproofing challenges. On one hand, if the existing roofing system is more than a few years old, it may need replacing as part of the PV installation. On the other hand, if the roofing system is new, then retrofitting a PV system may void the roof warranty. The structure itself may be inadequate to support additional loads. The alternative, of course, is a ground-mounted PV array.
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