How much does it cost to clean solar panels?

The average cost of cleaning solar panels ranges from 15 to 25 dollars per panel. If a house has 20-25 solar panels, the average cost of cleaning them in a year will range from 300 dollars – 600 dollars, as it is advisable to clean them up after every six months.

More often than not, as we clean the rest of the household items, solar panels easily get forgotten or brushed off as not necessarily to clean. However, as much as I hate to burst your bubble, the contrary is true. Solar panels need to be cleaned once in a while to ensure they continue running efficiently and maximize their performance. This post will look at the cost of cleaning solar panels and the factors that affect cleaning costs.

What are the factors that affect solar cleaning costs?

A summary of factors affecting solar cleaning costs

Location Some panels are located on rooftops, while others are on ground floors. The steeper the roof, the more the cost.
Size Larger panels need more work and inspection to clean. The larger the panel, the more costly it is.
Number of panels Cleaning many panels is costly as they need more labor and inspection
How dirty they are The more dirt accumulation, the more it will cost you
Property access If obstacles prevent cleaning the panels at the right angle, it costs more as more time and labor are required to clean them efficiently.

Is it more expensive to clean commercial solar panels?

Is it more expensive to clean commercial solar panels? / Fixr

The cost of cleaning commercial solar panels mainly depends on the location and the size of the panels. However, the service providers may chip in some discounts depending on how frequently they clean them and how many they are. Commercial cleaning of solar panels hence benefits significantly from economies of scale.

Why should I spend on cleaning solar panels?

Many people often fail to see the need to clean their solar panels and feel that it is not worth spending their money on. However, there are countless reasons why you should always have solar cleaning plans on your budget. Let’s look at a few.

  • Improves efficiency of your solar panels- statistics have shown that dirty solar panels are 25 % efficient. Cleaning them regularly boosts their efficiency, giving you value for your money.
  • Overall cleanliness- dirty solar panels often deprive your beautiful home of an aesthetic appeal. Cleaning them regularly, however, maintains the beauty of your home.
  • Warranty- many solar provider companies include regular cleaning as a warranty condition. You may not be compensated if your panels fail and do not have evidence of regular cleaning.
  • Enhances durability- those tiny sandstones and debris may seem harmless at first, but over time, they accumulate and cause wear and tear on your solar panels. Cleaning before they accumulate, however, saves you the trouble of replacing them.


Cleaning your solar panels often is an excellent way of ensuring perfect performance, durability, increased RIO time, and boosting the overall aesthetic appeal of your home. You should, therefore, not brush it off as unimportant.


Does rainwater clean my solar panels?

As much as rainwater may wash away the dust off your solar panels, it does not eliminate the grime and the sticky sand particles. Hence it is not a reliable way to clean your solar panels.

How often should I clean my solar panels?

It is recommended to clean them after every six months. However, if you live in a dusty place, you may have to clean them more often.

  • Nichole Hutt

    Hi, I'm Nichole! πŸ‘‹
    I always felt close to nature during my childhood. Preferring to spend my time alone playing with backyard animals at my family farm. 🐷
    In 1997, I attained my electrical engineering degree at the Oregon Institute Of Technology, graduating top of my class. Several years later, I qualified for my M.S. in Renewable Energy Engineering, also at OIT. πŸŽ“

    Combining my love for nature and passion for engineering, I have worked for solar panel manufacturer's in my state, most notably as a PV solar engineer for Zamp Solar.

    I founded RenewableSystems to share my knowledge and expertise in the renewable energy field and help save this beautiful little planet of ours. β˜€οΈπŸŒŽ

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