It might not be immediately obvious, but with every solar panel installed comes a simple but essential piece of maintenance: regular cleaning.
Just like the windows on your house, the glass on the top of solar panels gets coated with dust and dirt that cuts down the amount of light that passes through. More so than windows, solar panels are particularly vulnerable because they often lie at a shallow angle in an exposed location.
A thin layer of dust and grime can reduce efficiency by around 15 percent -- that's a lot of potential power to waste just because the glass isn't kept clean.
So Japan's Sharp, a leading manufacturer of solar panels and generation systems, has come up with a robotic answer to this problem. The company has developed an automatic cleaner that will latch on to the top of a bank of solar panels and clean them one by one.
To read this article in full or to leave a comment, please click here
ConversionConversion EmoticonEmoticon