Cleaning at London City Bond London City Bond has 250kW of solar PV spread across a vast area of its roof surface in blocks. These mounts allow the panels to face South, which means that they will generate more electricity over the course of a year, and also mean that the clear roof sheets are left unobstructed. This also makes them difficult to reach given the large distance from the edges. Nonetheless NWT’s cleaning and maintenance unit were able to access all areas of the installation using dedicated 100m hoses attached to the rotating cleaning brush heads Over time, almost all solar panels will have accumulated a layer of dirt, but this happens more rapidly when they are mounted with a shallow pitch or positioned in a particularly dirty environment. In this case the site is on indus

Join for free to read