The ARES device measures local soiling rate and determines optimal cleaning schedules, increasing ROI and bankability of PV installations. ARES generates a daily soiling rate value by making a comparative measurement of clean and a soiled reference cells. This is done automatically without the need for manual cleaning and measurement. With a direct soiling measurement and our algorithms that factor in the array data, you can wash with the utmost confidence. Get notifications and schedule cleanings of your array when it's financially responsible. Wash with real data. Cleaning is often incorporated without true knowledge of the current effect of soiling loss at the time of scheduled cleaning. Cleaning too often or not often enough will both impact ROI (and LCOE) negatively.