Solar panels are a great way to reduce your carbon footprint, but they can also be a dirty and expensive process to keep clean. Here’s a look at how much it costs to clean solar panels: The average cost of cleaning solar panels is $1,000 per panel, according to CleanTechnica. This includes labor, materials, and equipment. The most common way to clean solar panels is by using a water-based solution that is applied with a hose or sprayer. Some people also use an acid-based cleaner to remove dirt and grease. This type of cleaner can damage the panel’s surface if it’s not used correctly. It’s important to wear protective gear when using this type of cleaner, including gloves and eye protection. ..