Stains

What are the blue stains on photovoltaic panels

Solar panels are blue due to the type of silicon (polycrystalline) used for certain solar panels. . Solar Panel Discoloration: Causes, Effects, and How to Prevent it - Solar Panel Installation, Mounting, Settings, and Repair. The function of the device is to retain the daylight and convert it into the electrical flow. However, solar panels may experience discoloration over time, which can impact their performance and efficiency. Changing production methods or materials can mitigate this blue hue, creating aesthetically. . Let's explore the most common types of solar panel discoloration: One of the most noticeable forms of discoloration is the yellowing or browning of the solar panels.