Figure 10
From: Effects of soiling on photovoltaic (PV) modules in the Atacama Desert
(a) Soiling ratio (SR) computed using the daily soiling rate measured in Arica. Each curve stands for the expected SR progression under different cleanings per year (N): annual cleaning (N = 1, dashed blue curve), cleanings at a regular four-month period (N = 3, red curve), and cleanings every two months (N = 6, dashed green curve); (b) Energy losses expected under different cleaning frequencies at the locations considered in this study.
