When To Clean Solar Panels

There isn’t an established cadence that’s recommended for solar panel cleaning. Some people do it, others don’t. The only time you truly need to consider cleaning your solar panels is if they’ve accumulated a lot of bird droppings on them. In general, rain is enough to keep debris like dirt, dust and grime from building up on your solar panels.

Worried about a reduction in efficiency from dirty solar panels? Most professionals say you shouldn’t be. Since most solar panels are installed on a slant, debris simply runs off during rainstorms. It’s estimated that you may only see about a 5% reduction in efficiency if your solar panels aren’t clean, and that may improve as rainwater cleans them.

Safety Considerations

Since solar panels are installed on your roof, there are plenty of safety precautions to be aware of when cleaning solar panels. Here are a few things to keep in mind:

• Avoid going up high: Probably the best(and safest) way to tackle the job of cleaning solar panels is to use a tool like a broom or sponge with a long handle. A telescoping rod allows you to reach your solar panels without having to get on the roof. This, of course, will work better for a one-story home than it will for a three-story home. So if that’s not possible, and you find you need to go on the roof, it’s best to take some precautions.

More at source: Forbes

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