The number of solar panels you'll need will rely on irrespective of whether your solar program is 3kW or 6kW, and the scale of solar panels you might use. For instance, if you install a 3kW solar panel system utilizing 350W panels, Then you definately will need 8 solar panels. https://cloudwayui.com/ultimate-guide-to-window-cleaning-supplies-solar-cleaning-tools-soft-wash-supplies-and-pure-water-systems/