As soon as your panels are out in the open in the clean air, or not so clean air, dust will start to settle on them, blocking sunlight, reducing their efficiency, and costing you money. ... But most of the time solar panel cleaning is not worth it.
Beyond basic debris removing, it is recommended by most solar experts that you give your panels a thorough cleaning at least once a year. An annual clean up has been found to improve energy output by as much as 12% when compared to panels that were only cleaned by rainfall.
No it's good to clean your solar panel regularly to remove accumulated on top of it to enable sunlight reach to it with blockage and increase energy output
There are many factors to consider when choosing whether or not to clean a solar panel. Some factors that could influence the decision include the type of solar panel, the size of the panel, how often the solar panel will be used, and the weather conditions when the solar panel is used. Additionally, it is important to find a reputable company that provides very high quality solar panels and is willing to take care of the panel.