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Solar Panel Maintenance Costs

Last Updated on September 22, 2023
Written by CPA Alec Pow | Content Reviewed by Certified CFA CFA Alexander Popinker

Maintenance of solar panels is important because insufficient care can reduce the amount of energy generated by them. The solar panel system requires the efficient absorption of energy from the sun. So, the most important thing in the care of solar panels is to keep them clean. You can usually keep a solar panel clean using the same equipment and substances used in window washing. You just have to make sure that you keep the panels clean constantly and don’t allow dirt or other elements from the environment to sit on them for too long.

How Much Does It Cost To Maintain Solar Panels?

Solar panels will gather dirt and dust over time and need to be properly cleaned at least twice a year in order to ensure that they are operating at their full potential. There are professionals who provide this service at a relatively low cost.

In the table below you will find the average costs of maintaining and cleaning a 15 solar panel system.

Item Unit Cost Line Cost
Inspection $200 fee $200
Cleaning $200 per cleaning $400
Total Cost $600 per system $600

Cost considerations

There are several factors that will influence the overall cost of solar panel maintenance, such as the location of the solar panels, their size, and whether they are tilted or flat.

The inspection and maintenance costs are greatly affected by your geographical location.

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When inspecting the solar panels, professionals may notice that these are damaged and need to be repaired. It is recommended to take care of these problems before they get worse.

Besides the basic maintenance which can be done by yourself, it would be a good idea to have a solar panel inspection at least once per year. The professionals can come to your house and make sure that the solar panels are working properly.

DIY considerations

The basic maintenance of the solar panels can be done by yourself, but if actual repairs are needed, you will need to call for a professional.

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Solar panel cleaning sets are very useful and can contain: biodegradable soap, a wiper, and a brush with a handle. It is recommended to follow the instructions on the purchased kit. For cleaning, a soft brush is used to remove the dirt that appeared on the panels. It is preferable to clean the solar panel when it is damp or wet, thus, any residue can be wiped off more easily. Never use an abrasive sponge to avoid scratching the glass component. The best and safest way to clean is with a cloth or a soft brush with a long handle. When you have to reach the roof, you must pay attention to safety and use various support ropes.

Even if you are maintaining and cleaning the solar panels yourself, you will still want to have these inspected annually by a professional.

In order to make sure that no debris is blocking the sunlight, check the solar panels regularly.

Useful information about the maintenance of solar panels

Solar Panel MaintenanceOwning solar panels is an investment, and their maintenance is necessary to ensure long-term benefits.

Here are some tips to help you maintain the good functioning of the solar panels:

Choose to install the panels in the sunniest places; energy production becomes inefficient when the positioning of the panels is in the shade.

Make sure that the panel inverters are flashing green; otherwise, they no longer compensate for the electricity consumption.

Constantly check the performance of the panels to improve their maintenance. Monitoring systems help you find out how much you benefit from the environment

If you don’t have time to clean the solar panels manually, you can install cleaning devices that are automated and can be programmed.

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