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Solar Panels How To Clean In South Africa

Solar Panels: How to Clean in South Africa

Solar panels are a significant investment, providing clean and renewable energy for your home or business. However, to ensure they operate at peak efficiency, regular cleaning and maintenance are essential. In this guide, we’ll explore Solar Panels How to Clean in South Africa the best practices for cleaning solar panels in South Africa’s unique climate.

How Often Should I Clean My Solar Panels in South Africa?

Solar Panels should be cleaned at least twice a year. The best way to determine when to clean your solar panels is to monitor its performance via your app. When your charging rate drops by 15%, it is time for a clean

The cleaning frequency of solar panels depends on various factors. In South Africa, where dust, dirt, and occasional rain are common, these factors play a crucial role.

The location of your solar panels, proximity to pollution sources such as freeways, pollutants from factories as well as the exhaust from your own factory extractors will play a contributing factor to this. The angle of installation also affect how often you should clean them.

Regular cleaning not only ensures optimal performance but also extends the lifespan of your solar panels.

Benefits of Regular Solar Panel Cleaning

Regular cleaning maximizes energy production, leading to cost savings on your electricity bill. Cleaning with Deionised water helps reduce Potential Induced Degradation and helps prevent corrosion as there is zero metal content in the water.

Additionally, it reduces the environmental impact of solar panels by allowing them to operate efficiently.

What Is the Best Way to Clean My Solar Panels in South Africa?

Use A professional solar panel cleaning system that uses deionised water. This the best method for cleaning solar panels. The use of deionised water has several benifits to ensure maximum return on your investment.

Professional Solar Panel cleaners are trained to mitigate the risks associated with this SOlar Panel Cleaning process.

Cleaning Methods and Tools

However should you choose to clean your sola rpanels your self, follow the step by step guide below and you will shortly enjoy the benifits of have clean solar panels.

Cleaning solar panels is a straightforward process. You’ll need a few basic tools: a soft-bristled brush, a squeegee, a bucket of warm, soapy water, and a hose. Alternatively, you can invest in a specialized solar panel cleaning kit for more convenience.

How do you clean Solar panels on a roof in South Africa

  1. Begin early in the morning or late in the afternoon to avoid cleaning under direct sunlight.
  2. Gently Hose off the solar panels
  3. Gently brush off loose dirt and debris using the soft-bristled brush.
  4. Use soapy water and sponge to clean the panels, paying attention to any stubborn spots.
  5. Rinse the panels with clean water using a hose.
  6. Finish by using the squeegee to remove excess water and leave the panels to air dry.

Safety Precautions

While cleaning your solar panels, ensure your safety by following these precautions:

  • Use a sturdy ladder with a stable base.
  • Avoid walking directly on the panels to prevent damage.
  • Use appropriate personal protective equipment, such as gloves and safety glasses.
  • Say clear from the edges of your roof
  • Remember, working with water and soap will create slippery surfaces, the risk of slipping is high
  • Take care to ensure that tools and equipment does not slide off the roof


Free Solar Panel Maintenance Checklist

Common Solar Panel Cleaning Mistakes

To maintain the efficiency and longevity of your solar panels, avoid these common mistakes:

  • Using abrasive materials or harsh chemicals that can scratch and etch the glass.
  • Pressure washing, as it will damage the panels or their wiring.
  • Neglecting to check for manufacturer-specific cleaning recommendations in your solar panel’s manual.

Impact of Using Improper Cleaning Agents

Using improper cleaning agents can lead to irreversible damage and void your warranty. Stick to mild, non-abrasive soaps and avoid vinegar or other acidic solutions.

Protecting the Warranty

Most solar panel manufacturers offer warranties that may be voided if the panels are not cleaned according to their guidelines. Always consult your manufacturer’s recommendations to protect your investment.

What Are the Benefits of Cleaning My Solar Panels?

Increased Energy Production. Clean solar panels can produce up to 20% more energy than dirty ones. Regular cleaning ensures your solar system operates at its full potential, leading to increased savings on your electricity bill.

Cost Savings

By maximizing energy production, you reduce your reliance on grid electricity, resulting in significant cost savings over time.

Solar panels are a long-term investment, and cleaning them is a small effort for substantial financial benefits.

Environmental Benefits

Clean solar panels are more environmentally friendly. When your panels operate efficiently, they reduce your carbon footprint by producing clean energy and decreasing the need for fossil fuels.

How Much Does It Cost to clean solar panels in South Africa?

Professional solar panel cleaning services can cost between R5.00 and R35.00 ex vat per panel in South Africa.

The cost of these services depends on various factors, including the size and location of your solar panel system, accessibility, and the cleaning method used by the service provider.

DIY vs Professional Solar Panel Cleaning

While DIY cleaning can be cost-effective, professional services offer convenience and expertise. Consider your budget and needs when deciding between the two options.

Professional Solar Panels cleaners are trained in working safley on your roof, with out damaging roof tiles. They also have the knowledge to inspect your solar panel system to ensure optimum productivity

Many homeowners opt for professional cleaning at least once a year to ensure thorough maintenance.

Finding Reliable Cleaning Services in South Africa

When choosing a professional cleaning service, research local companies, read reviews, and ask for references. Ensure they use industry-approved methods and have a track record of customer satisfaction.

DIY Solar Panel Maintenance Tips

Simple maintenance tasks, such as trimming overhanging branches and clearing debris, can be performed by homeowners. Regularly inspect your solar panels for signs of wear and tear.

In addition to cleaning, routine solar panel maintenance is essential.

Check for loose connections, monitor inverter performance, and inspect for any physical damage. Regular maintenance can prevent small issues from becoming costly repairs.

Free Solar Panel Maintenance Checklist PDF
Free Solar Panel Maintenance Checklist PDF

Professional Solar Panel Maintenance Services

For more extensive maintenance or repairs, consult professional solar panel cleaning services with experience in solar panel systems. They can diagnose and address any issues to ensure your panels continue to perform optimally.

How to Clean Solar Panels Without Water?

Waterless cleaning methods are ideal for regions with water scarcity. Use a soft microfiber cloth or a brush designed for dry cleaning to remove dust and dirt. These methods are eco-friendly and prevent water wastage.

Benefits and Drawbacks of Waterless Cleaning

Waterless cleaning is environmentally friendly and doesn’t require rinsing. However, it may not be as effective for stubborn stains or bird droppings. Use it as an alternative when water is scarce or as a supplement to traditional cleaning.

Solar Panels How To Clean In South Africa During Winter?

Winter cleaning in South Africa can be challenging due to lower temperatures and occasional frost. Snowfall is rare but can pose a significant hurdle for cleaning.

To clean solar panels during winter:

  • Wait for a sunny day when the panels are free of ice or snow.
  • Use lukewarm water to prevent rapid temperature changes that could damage the panels.
  • Be cautious while climbing on the roof, as it may be slippery.


In South Africa, cleaning and maintaining your solar panels are essential for maximizing their efficiency and longevity. Regular cleaning, coupled with routine maintenance, ensures that your investment in solar energy continues to pay off. Whether you choose to clean your panels yourself or hire professionals, the benefits of a clean solar panel system are undeniable.


How often should I clean my solar panels in South Africa?

Cleaning every 12 months is recommended, but adjust the frequency based on dirt buildup and reduced energy production. If your solar panel efficiency reduces by up to 15%, it is time to schedule a clean

What is the best way to clean my solar panels?

A professional Solar Panel Cleaner that uses Deionised water is the best way to clean solar panels. However, if you are on a tight budget then use a soft brush, soapy water, and a squeegee. Avoid harsh chemicals and pressure washing. Never stand on Solar panels

What should I avoid when cleaning my solar panels?

Avoid abrasive materials, pressure washing, and using acidic solutions.

What are the benefits of cleaning my solar panels?

Solar Panel Cleaning Services

• Maximum solar panel charging efficiency
• Prevents hot spots from developing
• Maintains your warranty
• Extends the life of your investment
• Prevents permanant staining & Potential Induced Degradation when cleaned with deionised water

How much does it cost to have my solar panels cleaned professionally?

Costs vary based on factors like system size and location. Accesibility to the solar panels and the level of soiling on the solar panels

How do you clean solar panels in South Africa?

Solar Panel Cleaning

A professional Solar Panel Cleaner that uses Deionised water is the best way to clean solar panels. However, if you are on a tight budget then use a soft brush, soapy water, and a squeegee. Avoid harsh chemicals and pressure washing. Never stand on Solar panels. Follow our step by step guide on how to clean solar panels

How Much Does It Cost To Clean Solar Panels In South Africa?

Why Solar Panel Cleaning Matters

Solar Panel Cleaning Services cost from as little as R185.00 per month to be cleaned twice a year. Solar Panel Cleaning is done with Deionised water, which helps prevent corrosion, potential induced degredation and helps solar panels sty cleaner for longer

Written by Diren

Diren Maharaj, a seasoned cleaning expert and successful business owner, is known for his innovative, safe, and cost-effective cleaning solutions. Passionate about optimizing cleaning processes while minimising the impact on customers productivity. Diren’s writings provide valuable insights into the latest industry trends and techniques. His clear and practical style makes complex concepts accessible to all. Outside of cleaning, Diren’s adventurous spirit and attention to detail is reflected in his love for mountain biking and woodworking. If you’re seeking expert insights into specialized cleaning methods and sustainable practices, Diren’s writings are a must-read.

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