Plenty of house washing companies now add solar panels to the job. Some do it well. Here’s why most methods are hard on panels, and the one question to ask before they start.
Lichen bonds to solar glass, blocks light completely and spreads every season. Why it is worse than dirt, how it is removed safely, and what it costs in NZ.
Why we clean solar panels with purified water instead of tap water, and what tap water leaves behind on the glass.
How solar farms in New Zealand are cleaned, from water-fed poles to the SolarCleano F1 robot.
How we used New Zealand’s first solar panel cleaning robot on a heavily soiled array, and what it means for large systems.
