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7 Solar Panel Cleaning Errors and How to Avoid Them


Did you know that in the United States, solar powered generated 2.79% of electrical energy from January to December 2021?

Solar panels are a great way to connect your home to solar power. However, over time, they can get dirty. If you don’t know how to care for your solar panels properly, their lifespan can be cut in half. This can completely negate the eco-friendly benefit of the equipment.

Are you looking to learn more about keeping your solar panels clean and solar savings? If yes, then read below and understand seven common solar panel cleaning errors people make.

1. Solar Panel Cleaning Errors: Not Removing Debris 

When it comes to solar panel cleaning, one of the most common errors is not removing solar system debris regularly. This can lead to a build-up of dirt and grime, eventually reducing the panel’s efficiency. Melted snow and leaves are a particular problem in the fall, so cleaning them off as soon as possible is essential. 

You could make a big mistake if you don’t regularly remove debris from your solar panels. In some cases, this can lead to permanent damage. To avoid this, it is essential to clean the panels regularly and ensure that all debris is removed. 

2. Incorrect Water Pressure

Solar panel cleaning is a necessary but often overlooked part of maintaining your photovoltaic investment. Incorrect water pressure is one of the most common errors when cleaning solar panels and can lead to costly repairs. This can include water spots, streaking, or even damage to the panels.

Too much pressure can damage the delicate solar cells, while too little pressure will not remove all the dirt and debris. Use a moderate amount of pressure, and be sure to rinse the panels afterward to avoid any streaking. This can vary depending on the type of panel and the manufacturer, so check the instructions before starting and avoid solar panel damage. 

3. Harsh Cleaning Agents

When it comes to solar panel cleaning errors, one of the worst things you can do is use harsh cleaning agents. This is because these agents can damage the delicate surface of the solar panels, making them less effective at absorbing sunlight. Not only that, but they can also cause the panels to break down over time.

In addition, harsh cleaning agents can also damage the seals and connections on the solar panel, which can lead to water and moisture damage. If you must use a cleaning agent, dilute it heavily and test it on a small area first. It’s always better to err on caution when it comes to solar panels. 

4. Ignoring Weather Conditions

Many people think they can clean their solar panels whenever they feel like it, regardless of the weather conditions. However, this can lead to many problems and damage to the panels.

For example, if it is raining or snowing, the water can cause the solar panels to short circuit. Additionally, if the panels are too cold, they will be less effective at absorbing sunlight. Therefore, pay attention to the weather conditions before cleaning your solar panels and only clean them when they are ideal.

Weather conditions should be considered when planning to clean solar panels, as high winds can damage the panels, and intense sunlight can make cleaning more difficult.

5. Poor Storage Practices

Poor storage practices are one of the main culprits. When solar panels are not properly stored, they can damage or even break. This can be a big problem, especially if the panels are expensive or difficult to replace.

Following some basic guidelines when cleaning and storing solar panels is essential to avoid solar panel cleaning errors. Always clean the panels thoroughly before storing them. This will help remove any dirt or grime that could damage the panels.

Always store the panels in a cool, dry place. This will help to prevent them from becoming damaged by heat or humidity. Make sure to check the panels regularly for any signs of damage. If you see any damage, be sure to repair or replace the panels as soon as possible or call professionals to check your solar panels.

It’s essential to ask for help from professionals so better check these top installers that can help you maintain the life of your solar panels and give you more advice how to avoid damaging your solar panel system. 

6. Cleaning in Direct Sunlight

Cleaning your solar panels in direct sunlight is a common cleaning error that can cause damage to your panels. Sunlight can cause the cleaning solution to evaporate too quickly, leaving streaks or water spots on your panels.

It can also cause the cleaning solution to break down the protective coating on your panels, leading to them becoming damaged or corroded. Always clean your solar panels in the shade or on a cloudy day to avoid these problems. It’s best to clean your panels in the morning or evening when the sun is not as intense. 

7. Using the Wrong Brush 

If you’re using the wrong brush to clean your solar panels, you could be doing more harm than good. Most solar panel cleaning brushes are made of nylon or another synthetic material. Unfortunately, these materials can damage solar panel coatings, leading to scratches and other permanent damage. 

Not all brushes are created equal. The most common error is scratching the panel’s surface, reducing its efficiency. To avoid this, use a brush specifically designed for cleaning solar panels.

Maintaining the Life of Solar Panels

Solar panel cleaning is one area where things can go wrong if you’re not careful. If your solar panels are not cleaned properly, you could have reduced energy production and damaged your equipment. If you’re considering solar panels for your home, don’t make this solar panel cleaning error, and it’s essential to understand the potential risks and rewards.

Following this article’s tips, you can avoid common solar panel cleaning errors and keep your solar panels in top condition. It’s easy to clean them yourself. Just be careful not to make any of the following mistakes.

If you find this helpful, check out our other blog posts for more great tips and techniques.

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