Image Loading

Prime Day Sale Up To 40%OFF

(Ongoing Deals, Only 24H Left)

Prime Day Sale Up To 40%OFF

(Ongoing Deals, Only 24H Left)








* You are eligible for free shipping!
Your cart is currently empty.

How To Clean Roof Solar Panels?

A man worker cleaning solar panels

Male worker cleaning solar panels-1

As an enthusiastic advocates of sustainable energy, we understand the significance of maximizing the efficiency of rooftop solar panels. Over time, dust, debris, and environmental factors can hinder their performance. So, you may be wondering, "How do I clean my roof solar panels effectively?" The answer is simple: Use a soft sponge or cloth and a gentle detergent mixed with water to wipe away dirt and grime.

However, cleaning your solar panels isn't just about wiping off dirt. But throughout this post, you will learn about the common challenges solar panel owners face, such as dealing with stubborn stains, understanding the impact of weather on solar panel efficiency, implementing safety measures while cleaning, and amazing steps.

Additionally, BougeRV will share some lesser-known but highly effective maintenance tips that will help you get the most out of your solar investment. 

  • Easy Steps On How To Clean Roof Solar Panels
  • Tips For Effective Solar Panel Cleaning
  • Safety Guidelines To Follow
  • Hiring Professionals For Solar Panel Cleaning
  • When To Clean Your Roof Solar Panel?
  • Conclusion
  • FAQs
  • Easy Steps On How To Clean Roof Solar Panels

    Male worker cleaning solar panels for good performance

    Solar panels are a great way to harness renewable energy and reduce our carbon footprint. However, what is the most efficient way to clean solar panels? To ensure they operate at peak efficiency, regular cleaning is essential. Let BougeRV walk you through each step of the cleaning process, sharing valuable tips and precautions along the way. Let's dive in and make your solar panels shine.

    Step 1: Prepare Essential Cleaning Tools

    To start, gather the necessary tools: a soft sponge or cloth, a bucket, a gentle detergent, a hose with a spray nozzle, and a squeegee. Avoid using abrasive textiles like steel wool, which can scratch the solar panels and reduce their effectiveness. Having these items ready will make the cleaning process smooth and efficient.

    Step 2: Be Safe

    Safety is paramount, especially when working at heights. Before you begin, ensure you have a stable ladder and appropriate safety gear, such as non-slip shoes and gloves. If you're uncomfortable with heights or need clarification about the cleaning process, consider hiring a professional to do the job for you.

    Step 3: Gather Your Gear

    It's time to get started once you're equipped with the necessary tools and safety gear. Check the weather forecast and determine a cool, overcast day for cleaning. Cleaning hot panels may cause the cleaning solution to evaporate quickly, leaving streaks behind.

    Step 4: Turn Off Your System

    Before touching the panels, switch off the solar system to prevent any accidents or electric shocks. Solar panels generate electricity when exposed to light, and turning off the system ensures your safety during the cleaning process.

    Step 5: Hose down

    Using a hose with a spray nozzle, gently rinse the panels to remove loose debris like leaves and dirt. Avoid using a pressure washer, as it may harm the panels. A gentle hose-down is sufficient for this step.

    Step 6: Wipe The Solar Panels

    Dip the soft sponge or cloth into a gentle detergent and water mixture. Wipe each solar panel carefully, removing any remaining dirt and grime. Work consistently, starting from the top and moving downward to avoid streaking.

    Step 7: Remove Stubborn Stains And Residues

    Sometimes, bird droppings or tough grime may require extra attention. To tackle stubborn stains, dampen the affected area with the detergent solution and let it sit for a few minutes. Then, gently scrub the spot with a soft sponge or a non-abrasive brush until the residue is gone.

    Helpful Tip to Do That: Avoid using chemical cleaners, as they can leave behind harmful residues and damage the anti-reflective coating on the panels.

    Step 8: Rinse And Dry Solar Panels

    After cleaning the panels, use the hose once more to rinse off any remaining detergent. Finally, take a squeegee and carefully remove excess water from the surface to prevent water spots. Allow the panels to air dry fully before turning the solar system back on.

    Tips For Effective Solar Panel Cleaning

    Rigid solar panel on the roof

    Regular cleaning not only ensures optimal energy production but also contributes to a greener planet. Here’re some tips on cleaning solar panels effectively: 

    1. Schedule Regular Cleaning Sessions

    To maintain peak performance, establish a cleaning schedule for your solar panels. Aim to clean them every 6 months, depending on your local climate and the presence of dust or debris. Mark the dates on your calendar or set a reminder to stay on top of the cleaning routine.

    2. Clean In The Early Morning Or Late Evening

    Consider cleaning your solar panels during the early morning or late evening when the sun's intensity is lower. Cleaning during peak sunlight can rapidly dry the cleaning solution, leaving streaks and water spots. You'll have more time to ensure a spotless finish by cleaning during cooler hours.

    3. Utilize A Solar Panel Cleaning Kit

    Invest in solar panel cleaning equipment that includes all the essential tools, such as a soft-bristled brush, a squeegee, and a cleaning solution. These kits are specifically designed for solar panels and ensure safe and effective cleaning without causing any damage.

    4. Monitor For Bird Droppings And Tree Sap

    Watch for bird droppings and tree sap, as they can obstruct sunlight and decrease energy production. Promptly remove these substances using a damp cloth or the earlier cleaning solution. Regular monitoring will prevent potential performance issues.

    5. Consider Using A Robotic Solar Panel Cleaner

    Consider investing in a robotic solar panel cleaner for large-scale solar panel arrays or hard-to-reach panels. These automated devices can efficiently clean multiple panels simultaneously, saving you time and effort. Be sure to choose a reputable and well-reviewed product for the best results.

    6. Perform Safety Checks Regularly

    Prioritize safety at all times when cleaning solar panels. Regularly inspect the integrity of your rooftop and ensure the stability of your ladder or scaffolding. Having someone else present while you clean is crucial, especially if you're working on a higher roof.

    7. Monitor Energy Production

    After cleaning your solar panels, keep track of their energy production to observe any improvements. Monitoring energy output will help you determine the effectiveness of your cleaning routine and promptly address any potential issues.

    Safety Guidelines To Follow

    Two men inspecting a solar energy station

    The essential safety guidelines that will protect you, your panels, and your overall well-being throughout the cleaning process.

    • Prioritize Personal Protective Equipment (PPE) 

      Before you even think about climbing up to clean your solar panels, make sure you're wearing the right Personal Protective Equipment (PPE). Sturdy non-slip shoes, gloves, and a hat are essential to shield you from potential hazards, such as slipping, sharp edges, and overexposure to sunlight.

      • Turn Off Your Solar System

         Aways turn off your solar system before starting the cleaning process. This step ensures your safety from potential electric shocks and protects your solar panels from damage. Remember to consult your solar system manual for instructions on how to shut down the system properly.

        • Assess Your Roof's Stability

           Before stepping onto your roof, inspect its stability. Look for any signs of damage, wear, or loose tiles that could compromise your safety. If you're unsure about the condition of your roof, it's best to consult a professional to conduct a thorough inspection.

          • Be Mindful Of Roof Slope And Edges

            Pay attention to the slope of your roof and the edges while cleaning. Avoid walking near the edges and maintain a secure footing to prevent accidental falls. 

            • Check The Weather Forecast

              Always check the weather forecast before initiating the cleaning process. Avoid cleaning during inclement weather conditions, as rain, strong winds, or thunderstorms can pose significant safety risks.

              • Enlist A Helper 

                Having a second person present while you clean the solar panels is a wise decision. They can assist you with equipment, provide support, and alert you to any potential hazards you might miss.

                Hiring Professionals For Solar Panel Cleaning

                While cleaning solar panels on yourself can be rewarding, there are situations where hiring professional services becomes the ideal choice. One should consider professional cleaning when faced with large-scale solar arrays, difficult-to-reach panels, or safety concerns.

                When searching for a reputable solar panel cleaning company, look for these key factors: experience, customer reviews, and certification. A professional company will have the necessary knowledge and expertise to clean your panels effectively without causing damage. 

                Hiring professionals ensures thorough cleaning and saves you time and effort. They have the right tools and safety gear to handle any challenges. By leaving the task in their hands, you can have peace of mind knowing that your solar panels will be in the best possible condition, maximizing their energy production potential.

                When To Clean Your Roof Solar Panel?

                a solar panel on the roof

                Several signs indicate that it's time to give your solar panels some attention. These signs include a visible layer of dirt or dust, reduced energy output, and the presence of bird droppings or tree sap. 

                Environmental factors such as the weather and location of your home can also impact the cleaning frequency. The frequency of cleaning largely depends on your local climate and the environmental conditions surrounding your home. More frequent cleaning may be necessary if you live in a dusty or heavily polluted area. Similarly, locations with abundant rainfall may experience self-cleaning effects, reducing the need for manual cleaning.

                To determine how often to clean your solar panels, consider conducting regular visual inspections. Keep an eye out for signs of dirt buildup and monitor any changes in energy production. Cleaning every 6 months is a general guideline, but adjusting this frequency based on the cleanliness of your panels and your location's weather patterns can be beneficial.

                Besides, the best time of the day to clean your solar panels is early mornings or late afternoons are preferred. Cleaning during peak sunlight can cause the cleaning solution to evaporate quickly, resulting in streaks and water spots. Cleaning during cooler hours gives you enough time to clean the panels and achieve a spotless finish thoroughly.


                Maintaining the efficiency of your roof solar panels is vital for optimal energy production. Following the guidelines discussed above, including regular visual inspections, cleaning every 6 months based on your location, and choosing cooler hours for cleaning, ensure your panels stay spotless and continue generating green energy efficiently. Embrace these practices to maximize your solar investment and contribute to a cleaner, more sustainable world.

                Well, are you still waiting to get your solar panels, or do you want to invest in the most affordable solar panels, portable power stations, or solar kits? Check out BougeRV’s high-quality products today and take steps towards a cleaner, more energy-efficient future!


                1. Do Solar Panels Work When Dirty?

                Yes. But dirty solar panels can experience a decrease in their energy production. Dust, debris, and grime can block sunlight from reaching the photovoltaic cells, reducing their efficiency. 

                2. Does Cleaning Your Solar Panels Make A Difference?

                Yes, cleaning your solar panels can significantly affect their performance. Regular cleaning removes dirt, bird droppings, and other obstructions, allowing the panels to absorb more sunlight and produce more electricity.

                Studies have shown that well-maintained, clean solar panels can improve energy output by up to 20% to 25%.

                3. Is it OK To Clean Solar Panels With Water?

                Yes, it is generally safe to clean solar panels with water. Using a hose with a silky spray nozzle is an effective way to rinse off loose dirt and debris. However, for thorough cleaning, it is recommended to use a mild detergent mixed with water and a soft sponge or cloth. 

                4. Can I Call An Expert To Clean The Solar Panels On My Roof?

                Yes, calling an expert to clean your solar panels is wise, especially if you are uncomfortable with rooftop activities or have a large solar panel array.

                Professional solar panel cleaners have the necessary expertise, safety measures, and equipment to ensure efficient and safe cleaning, preserving the longevity and performance of your solar panels.

                Table of Contents

                How To Clean Roof Solar Panels?