How do you clean a solar panel?

Here is how to clean solar panels yourself: Turn off your solar panel system. Gather your materials — water, equipment, and any cleaning products. Place them on a roof if you’re climbing up or somewhere around if you’re cleaning panels from the ground. Spray down solar panels. Just take a hose and wash all the debris away.

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.

What is solar panel cleaning?

Solar panel cleaning is the most common maintenance performed on residential phototactic (PV) energy systems, especially those in dry or windy areas. When dirt, dust, debris, or animal droppings accumulate on the surface of your solar panels, blocked sunlight can significantly reduce their energy production.

How much does solar panel cleaning cost?

A professional solar panel cleaning company may not necessarily do a significantly better job than you can, but they're likely better equipped to clean and maintain rooftop units safely and already have all of the necessary equipment. Plus, professional solar panel cleaning will usually only cost you around $150-$300, or $15-$30 per panel.

How do you clean a solar array?

When arrays are within reach, you use a soft, non-abrasive brush and soapy water to clean your system, in the same way you would clean your car or RV, safely wiping away any debris without scratching the surface of the panels.

Should you clean solar panels with cold water?

Consider the weather and your personal safety as well. For example, if it’s extremely hot outside, cleaning solar panels with cold water could actually damage them, or if it’s slick or wet outside, you could hurt yourself in the process.