Despite the potential risk of electric shock, washing solar panels in direct sunlight is generally not considered dangerous. . Solar panels are designed to be durable and weather-resistant. They are manufactured to withstand harsh conditions, including heavy summer rain at noon. I understand that debris and dust on the panels will affect output. Following the solar panel manufacturer's maintenance suggestions is always a. . For your safety, it's best to clean solar panels from the ground. While it can be fun to make your panels sparkle and shine, it's generally not necessary to clean them unless they are extremely dusty that it's affecting. . Simply washing and cleaning the solar panels with a standard cleaning solution can eliminate the dirt, restoring the panels to their optimal efficiency.
[PDF Version]
