Modules are assembled into arrays on some form of mounting program, which can be classified as floor mount, roof mount or pole mount. For solar parks a large rack is mounted on the ground, and also the modules mounted over the rack. Dispersed solar PV, like rooftop solar on structures, https://www.wellconnectedlife.co.uk/the-rise-of-commercial-solar-pv-a-sustainable-future-for-businesses/