Do photovoltaic panels need to be cleaned of dust

Can a waterless cleaning method remove dust from solar panels?

Dust that accumulates on solar panels is a major problem, but washing the panels uses huge amounts of water. MIT engineers have now developed a waterless cleaning method to remove dust on solar installations in water-limited regions, improving overall efficiency. Image courtesy of the researchers.

Do solar panels need cleaning?

There are some instances where solar panels might need cleaning, but most of the evidence says solar panels are self-sufficient and low-maintenance. We’ll get to the best way to clean your solar panels in a minute.

How do you clean dust off solar panels?

One of the most common ways to clean dust off solar panels is to spray them with water. But that’s a huge waste of water, especially in desert settings, where there are a lot of solar farms. The MIT scientists note in their new study, which is published in Science Advances:

Are solar panels self-cleaning?

For the most part, solar panels are self-cleaning. "Dirty solar panels? There are some instances where solar panels might need cleaning, but most of the evidence says solar panels are self-sufficient and low-maintenance.

How to clean solar panels?

You won’t need any specialist equipment to clean your solar panels. A hose, a soft sponge, and a bucket should be enough to get the job done. Pressure washers aren’t advisable, as they can easily damage the solar cells. Instead of using soap, spray your panels with diluted white vinegar and then wipe them down with a sponge.

How often do solar panels need to be cleaned?

Some solar panel manufacturers actually require you to clean your panels every six months to keep your warranty valid. Professional cleaning companies provide a washing service and also check for any damage done by birds and the environment.