Solar Energy

DIY – How to Clean Your Solar Panels the Easy Way (if you dare climb on your roof safely)



DISCLAIMER – Climbing on your roof is dangerous. DO SO AT YOUR OWN RISK! Wear safety harness and use protection if in doubt. I VERY STRONGLY SUGGEST DOING THIS ON A COOL DAY OR IN THE MORNING BEFORE THE PANELS HEAT UP. DAMAGE CAN OCCUR IF YOU PUT COLD WATER ON HOT PANELS.
Solar panel cleaning will help you restore efficiency to your solar system.
Solar Panels are awesome! Go Green, Help save the earth with clean energy!
If you are still reading this, I am betting you already agree and want to clean your solar panels. Solar panels get dusty, dirty, covered with pollen and the rain doesn’t always clean it off. I use Liquid Dish Soap and a window cleaner’s squeegee. It’s a mild soap, cleans glass great, and rinses off easily.
Again it’s very important to do this when it’s cool out and panels are cool to the touch. If the panels are hot, the soap dries quickly and the job becomes more difficult. These glass panels are built to get hot and cold slowly, but I wouldn’t suggest testing the thermal variance with cold water. I use a simple pole and soft mop that you may already have at home in the video, but there are professional level options available below. Again, BE SAFE – KNOW YOUR LIMITS – IF IN DOUBT CONTACT A PROFESSIONAL!

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34 Comments

  1. Do not us soap. That is a NO NO. Soap will cause reflection of light and less performance. It also could make the panel sticky for dust if soap is not removed 100%. Water or purified water without minerals works best for no mineral spotting. Vinegar and water mix works very good. Vinegar has a natural PH that will break down the dirt and minerals with less water spots. No soap of any kind. And try not to walk on the wet part of the roof it can be as slippery as ice.

  2. I'm sorry, but how is this the "easy way" to clean your panels? Don't get me wrong, you do a fine job, but this just the normal, boring, traditional way to clean your panels. Using distilled water to rinse, for example, would make things easier by avoiding the need for a squeegee (although admittedly that would probably be too expensive to be practical), and then there's cool devices like this one that are faster and easier than a traditional brush: https://youtu.be/b5rVqdP_VPE

  3. I use a Windex outdoor cleaner , you get your panels wet, then switchover to the Windex solution after you let it soak for about 30 sec's then switch back over to water only , they will be clean and no streaks . very simple and you don't have to get on your roof .

  4. I agree with those that discourage the use of soap for the reasons cited. I use a foam squeegee as it has about an inch of foam between the edge touching the panels and the metal frame of the squeegee itself, thereby greatly reducing the chance of scratching the panels. It is as effective as a normal squeegee. I bought it years ago but think it was marketed as a "floor" squeegee. Lastly not sure what time of day it was in the video but appears the sun was up, should always perform the cleaning when panels are cold!!

  5. Soap is very harmful to the panels, there is a thin layer of film your scrubbing if the film bubbles up or if soap eats away the fims your screwd. Not soap needed just water and scrub and rinse..

  6. soooo mine are covered in dried pigeon crap, it's baked on with the Australian sun… I need something with more grunt :/
    https://i.imgur.com/CAR588M.jpg
    that gutter and carport roof mess is less than three months worth, got mesh installed to stop them nesting, but it's going to take a while before the stop coming back, a breeding season or two.

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