Installations in high wind zones observed to be bolted through asbestos. Modules with damaged backsheet found on site. It is recommended to (i) assign string labelling, (ii) provide better roof access for easier O&M activities, (iii) replace damaged modules, (iv) retrofit the mounting structure, (v) remove name board from the installation area, and (vi) clean inverter fans and filters more frequently. The estimated production boost expected by the retrofitting actions lies between 5.3% and 6%.
Cable management: Cable layout with cable racking. Missing string labelling.
Foreign object stuck on module glass.
Modules with damaged backsheet found on site.
Inverter fans and filters are soiled.
PV table structures in high wind zones
bolted through asbestos.