Step-by-Step Tutorial on Cleaning Solar Panels

A Step-by-Step Tutorial on Cleaning Solar Panels

Solar panels are becoming increasingly popular among homeowners and businesses. In fact, 66.5% of people who don’t have solar installations are showing interest in them.

This highlights the growing appeal of sustainable energy solutions. However, in order for these panels to reach their full potential, it is important to regularly maintain and clean them.

Solar panels have very few moving parts, but it’s still important to take some regular maintenance steps to make sure they work safely and efficiently.

Dirty Solar Panel with Dust All Over It

The Need for Maintenance:

Although solar panels are relatively low-maintenance, their elevated placement and direct exposure to the sun mandated periodic attention. Safety takes precedence as these panels are often installed at higher grounds.

Understanding Performance Decline:

Have you observed a gradual decline in the overall performance of your solar panels? The reason for this decline is often more than just dust. Dust accumulation is a common factor that can reduce panel efficiency over time, but there are also other factors that shouldn’t be ignored.

  • Bird Droppings: Bird droppings contain acidic substances that can corrode the protective layers of solar panels. Early removal is crucial to prevent long-term damage.
  • Iron Particles: Airborne iron particles, often from industrial activities, can land on panels and affect their performance. Cleaning helps mitigate this impact.
  • Cement and Construction Debris: Construction activities in the vicinity can lead to cement and debris settling on solar panels, hindering their ability to convert sunlight into energy.
  • Water Grime and Mineral Deposits: Hard water in sprinkler tanks can leave behind mineral deposits on solar panels, forming a layer that diminishes their efficiency.

To keep your solar system in good shape and running smoothly, it’s important to regularly inspect and clean it. This helps ensure its health and efficiency. When you take care of not just dust but also other possible contaminants, you make sure that your solar panels work at their best, producing the optimum power and giving you the highest return on your investment.

Identifying Maintenance Challenges:

Dealing with stubborn stains such as bird droppings or tree sap can be quite challenging. These types of stains need to be treated with care to avoid causing any damage.

The act of cleaning can be risky because using abrasive tools or applying too much pressure can scratch the panels, which can reduce their efficiency and lifespan. It is crucial to promptly tackle these challenges in order to ensure that solar panels remain efficient and sustainable.

Men Cleaning Solar Panel

Step-by-Step Guide to Cleaning Solar Panels

  • Step 1: Remove the loose dust from the solar panel surface

Before diving into the cleaning process, start by eliminating loose dust and debris from the solar panel surface. This ensures a smoother and more effective cleaning experience.

  • Step 2: Wear gloves and dilute the WattUp with water

Prioritize safety by wearing gloves. Dilute WattUp, our specially formulated solar panel cleaner, with water as per the recommended ratio. This ensures an optimal cleaning solution for your solar panels.

  • Step 3: Spray the diluted liquid on the solar panel

Using a spray bottle, evenly distribute the diluted solar panel cleaning solution across the solar panel surface. This step prepares the panels for a thorough and gentle cleaning process.

  • Step 4: Rub it with a brush and rinse it with water

Take a soft brush and gently rub the solar panels to remove dirt and grime. Follow this by rinsing the panels with water, ensuring the cleaning solution and residue are completely washed away.


Regular maintenance, especially consistent cleaning, is extremely important for ensuring that your solar panels last a long time and perform at their best.

WattUp provides an advanced solar panel cleaner solution that goes above and beyond what you would typically expect. Don’t worry about the scratches; our special formula is designed to safely remove the hardest stain, debris, or deposits from your solar panels without causing any damage.

Because when it comes to solar hygiene, WattUp is the shining solution!

Also, read Guidelines for Solar Panel Cleaning.

Shivam Bhamre