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The Importance Of Cleaning Solar Panels: A Comprehensive Guide

01 Feb, 2024 / Solar Panel Experts / Written by ServiceTasker Team / 255 Views / Last Updated 06 Feb, 2024

Solar panels are vital for sustainable energy, converting sunlight to electricity. Cleaning twice a year is crucial to remove dirt, bird droppings, and pollutants that reduce efficiency by 20%-30%. Regular cleaning ensures optimal performance and extends the panel's lifespan.

The Importance Of Cleaning Solar Panels: A Comprehensive Guide

In the present-day scenario, solar panels have become the need of each property to build a sustainable future. The installation of solar panels has taken great hype in the last few years. Thanks to their ability to convert the harness of the sun into electricity. Henceforth, to make its effective use, cleaning solar panels is important.


With the usage of photovoltaic cells, solar energy is converted into electricity. The installation of solar panels can help to reduce the dependence on electricity that is produced by a long process using a lot of resources. Hence, we can make our earth a more sustainable energy landscape. Moreover, the benefits of installing solar panels can be accepted if the
solar panels
on your property are neat and clean. Clean solar panels absorb more sunlight and hence produce more energy.


How Solar Panels Get Dirty?


Common Sources Of Dirt And Debris


Daily, solar panels come into exposure to various dirt, debris, and other accumulations. Therefore, for effective usage, cleaning solar panels is vital. 



  • Dust And Dirt: Dust and dirt particles present in the air accumulate on the solar panel. Hence, it ends up making a thin layer over the panel. Having a layer of dirt on the panel reduces the amount of sunlight to reach the panel.

  • Bird Droppings: Bird droppings are usually ignored as they are small in size. They obstruct sunlight and reduce its efficiency in reaching the panel. Moreover, the bird droppings are also acidic which further degrades the surface of the panel. 


  • Tree Sap And Leaves: In case, the solar panel is installed near the trees then the tree's sap and leaves may accumulate over the panel surface. Moreover, the tree sap is quite sticky and may leave some gel over the panel. Hence it becomes a hindrance. 

  • Pollution And Environmental Factors: Various air pollutants, such as industrial emissions and airborne particles may settle on the panel creating a thin layer over it, and end up becoming a hindrance for absorbing sunlight.


Impact Of Dirt On Solar Panels Efficiency


The accumulation of various dirt particles over the solar panel can majorly impact the working efficiency. Some homeowners find a 20%-30% reduction in electricity production. It happens because a lesser amount of sunlight passes through the layer of dirt which leads to less production of electricity. Regularly
cleaning solar panels
helps to maintain their performance and ensure consistent energy output. 


Signs That Your Solar Panels Need Cleaning




  • Reduction In Energy Output: This is the most found sign when
    cleaning solar panels
    is not done. Suddenly, you will come across the dropping in the generation of power. 


  • Visible Dirt And Debris: Performing a visual inspection from time to time makes you aware of the fact that is there any dirt, bird droppings, dust, etc are affecting your solar panel's efficiency. 


  • Monitoring System Alerts And Performance Data: Nowadays, modernized solar panels are available with monitors that reflect the amount of electricity generated by them. Hence, it reflects if there is any decrease in the production of the power. In decreasing conditions, you can check if your solar panels require cleaning, maintenance or repair. 


Frequency Of Solar Panels Cleaning


General Guidelines For Cleaning Frequency


A general guideline says that cleaning solar panels twice a year helps in better working. However, in specific conditions, like in autumn and rainy seasons, it is important to take a visual inspection to know the requirements.


Factors Influencing Cleaning Frequency



  • Panels Location And Climate: The frequency of
    cleaning solar panels
    may vary depending upon your geographical climate and location. The areas where more dirt, dust, bird droppings, and fallen leaves are present require more cleaning.


  • Surrounding Environment And Vegetation: In case the panel is covered with trees or leaves or a place where there is a lot of vegetation, you need to clean solar panels accordingly.


  • Seasonal Variations: The changing of the season also impacts the frequency of
    cleaning solar panels. In autumn, more leaves fall, hence, requiring more cleaning. You can adjust the cleaning schedule of the panel as per the requirement.


DIY Solar Panel Cleaning Techniques


Materials Needed For Cleaning


For cleaning solar panels, you require the following material.



  • Brush with soft bristles

  • Mild detergent 

  • Bucket

  • Soft cloth or sponge

  • Water hose with a nozzle attachment


Step-By-Step Guide For Cleaning Solar Panels




  • Safety Precautions: Make sure you consider your safety before you start
    cleaning solar panels.



  • Switch off the system of solar panels

  • Make sure, you do the cleaning process on a cold day or early in the morning

  • Ensure to wear all the protective gear i.e. safety glasses and gloves




  • Rinsing With Water: Start cleaning solar panels by rinsing the panel surface with water to wipe off the loose dirt. Thereafter, use a hose with a nozzle attachment for gentle spray over the panel.


  • Using Mild Detergent Solutions: Make a solution with the help of mild detergent with water for cleaning solar panels. Gently apply the solution over the panel and rub it with the help of a soft brush and cloth to remove stubborn dust, dirt, bird droppings, and much more.


  • Soft Brushing Techniques: While brushing the solar panel, always use a brush with soft bristles to avoid scratches. Particularly, force on the areas where the dirt is visible.


  • Proper Drying Methods: Once the cleaning is done, use a soft clean cloth or squeegee to remove the excess water. Allow the panel to air dry.


Professional Solar Panel Cleaning Services



  • Benefits Of Professional Cleaning: Hiring professionals for this task makes it more effective. Here are some real benefits:
    Expertise: Professional solar panel cleaners have complete knowledge and experience of solar panel cleaning and ensuring thorough cleaning.
    Safety: Trained personnel follow all the preventive measures to maintain safety in solar panel cleaning.
    Efficiency: Using the right tools and equipment for cleaning can lead to effective cleaning.

  • When To Consider Hiring A Professional: Make sure you hire an expert for solar panel cleaning in the following situations.
    - If you have large solar panels, which are hard to reach for cleaning
    - Persistent dirt
    - Safety concerns
    - Lack of knowledge regarding solar panel cleaning

  • Choosing The Right Cleaning Services: While choosing the right expert for solar panel cleaning-

    - Make sure to check his reviews and recommendations on Google
    - Inquire him about the solar panel cleaning technique
    - Ensure that the experts have all the certifications and insurance



Maintenance Tips For Long-Term Performance



  • Regular Inspection And Monitoring: Scheduling a regular inspection is the biggest saviour to produce more power and increase the shelf life of the solar panel. Check physical damage, loose connections, and dirt buildup. Moreover, the usage of monitoring systems to keep an eye on power production and acknowledge potential issues on time plays a vital role. 


  • Precautions To Prevent Damage During Cleaning: To prevent the damage while cleaning solar panels-


  • Do not use high-pressure water

  • Follow all the safety instructions 

  • Avoid using harsh substances for cleaning that may lead to putting scratches over the panel


  • Consideration Of Protective Coatings: Nowadays, a preventive coating is applied on the panel to increase its shelf life. The coating over the panel helps to clean the panel easily.


Environmental Impact Of Solar Panel Cleaning


Eco-Friendly Cleaning Methods


Try your solar panel cleaning using organic and environmentally friendly products and methods. Ask professionals to use eco-friendly products for solar panel cleaning. 


Disposal Of Cleaning Material Responsibly


Choosing an environmentally friendly method to dispose of
cleaning
material and residue of the process is the best way to handle the after-effects.  Dispose of cleaning materials like clothes, and squeezees responsibly.


Conclusion


Installation of solar panels has increased over time, but keeping it well maintained plays a vital role.  Numerous cleaning and maintenance techniques are available to keep your panel working efficiently. Regular cleaning and maintenance can help to maximize power productivity, extend the lifespan of the panel, and much more. In case you are not able to clean your solar panel on your own then hire a professional for this task.


FAQs



  • How to find the right professionals to clean my solar panel?
    To find the right professional for cleaning the solar panel, you can post your job on this platform. We connect customers with recommended, ABN-checked, and insured businesses operating in your area. We find a match for your job based on your location, service category, service timing and various other factors so that you can easily hire the best professionals for your work.

  • What can happen, if I do not clean the solar panel?
    In case you do not clean the solar panel for a short time then the dirt may accumulate over it and hence the production of power may reduce.

  • Can I clean my solar panel on my own?
    Indeed, you can follow up on the DIY methods for cleaning the panel. However, for deep cleaning, we suggest taking a professional’s help.

  • How often should I clean my solar panel?
    Cleaning of the solar panel depends upon various factors such as climate, location, surroundings, and much more. A general guideline says that cleaning twice a year is recommended.

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