Best way to clean solar panels on the roof?

Installing a solar panel system is a big decision that one makes as it involves a huge investment. Once installed, it needs to properly taken care of, to no only give better but also a long-lasting performance. A solar panel system is not at all difficult or expensive to maintain. A little care is all it takes! Keeping the surface clean and taking care of little things can also go a long way in maintaining the system.  It is also important to note the Warranty, Service & Maintenance, Life, Safety, etc. terms and conditions related to the system installed.

First, Common Myths about Solar Panel Cleaning


Common problems with Solar Power System

Given below is a list of a few of the major concerns that customers face.

1. Decreasing Solar Panel Performance - Often customers complain that the efficiency of the panel has declined over passing time.

2. Battery Life will be Less - Another complaint that we get is that battery life is getting low. In other words, batteries get discharged pretty soon.
Inverter PCB can be damaged - This is another major concern that customers are facing.

3. Panel Stand will be Broken - With passing time, the strength of the stand gets reduced and it is unable to withstand the weight or natural conditions like heavy winds/ hailstorms, etc.

4. Electricity bills still remaining high or not reducing - Customers have complained that despite one of the major advantages of installing solar is a reduction in power bill, they still fail to witness lower bills.

    1. Common problems with Solar Panels - Less Power Generation

    solar panel before cleaning

    Solar Panels are exposed to the environment – sun, wind, dust, rain, etc. hence they get dirty very soon. Solar panels are like windows lying flat which means they get dirty very fast. Pollen, bird droppings, dirt, and dust can build up on solar panels. “Solar Clouding” commonly referred to by the panel manufacturers, means dirty panels and needs to be cleaned on a regular schedule. There is a 10%-15% decrease in solar output when solar panels are dirty.

    Solution - Solar Panel Cleaning Kit

    solar panel cleaning kit

    Most manufacturers recommend the cleaning of solar panels every six months. There are many professional panel cleaners in the market today or you can use automated cleaners that can be programmed to clean the panels as needed. One can use a garden hose to wash the face of the panels during either the early morning or in the evening. Care should be taken not to spray cold water onto hot panels or there could be a risk of cracking them. Car washing machine – You can also use a car washing machine to clean the panels. It is available for Rs. 6,000 to 8,000.


    solar panel performance after cleaning

    After Cleaning: The efficiency of the overall system can increase by 30%-40% after cleaning. Solar panels generally require very little maintenance. A few times a year, the panels should be inspected for any dirt or debris that may collect on them. Typically they should be cleaned in March/April when the rainy season has passed and August/September, towards the end of summer. The cleaning services are a necessary part of the system maintenance and also to maintain its warranty.

    2. Common problems with Panel Stand - Installation Mistake

    solar panel stand

    Check the strength of panel stand installation in high wind and rainy conditions. It is important to affix the stand properly in the ground, else, they might just fly away in windy or rainy times.

    Solution: Strong Civil Works

    strong solar panel stand frame

    Benefits: Your solar panels will stay safe and there won’t be any accident or mishap in the neighborhood from your panels or stands flying away. 

    3. Common Problems with Electricity Bill

    electricity bill of 3kW ac module

    Two common problems are coming:

    1. Increase electricity bill after solar panel installation

    2. Not receiving an electricity bill after changing electricity meter

    Check your electricity bill before and after solar panel installation. If you find that the bill is still high please check for all connections. It could be that your system wasn’t working properly. Ensure everything is in place and the system is clean and switch it on again, you will surely enjoy savings on your power bill from the next cycle.

    electricity bill

    If you have an on-grid system, check and monitor solar panel performance on your mobile phone. Your electricity bill be reduced if you install grid-connected solar system.

    3. Common problems with Inverter Battery

    inverter battery major problems

    For Battery: In order to maintain the batteries, it is important to check the water level before and after the summer season. Also recommended to keep batteries in an open area to vent the emissions coming out.

    Benefits: Battery life will increase by 1-2 years.

    For Inverter: When running an inverter, please note to run up to 50% home load on regular basis. Do not overload the inverter. Running an inverter on ~80% home load is on the high side and not recommended at all. Also, keep the inverter battery in an open area as well.

    Benefits: Inverter PCB will be safe.

    Solar Panel Cleaning Kit Video


    One should keep monitoring their solar panel system and energy output to ensure there are no malfunctions. Check and log the power output on the solar inverters display on a daily or monthly basis. With this data, one can check to see if solar panels are functioning at full efficiency.  


    Stephanie Sally

    Stephanie Sally

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    Aisha Marshall

    Aisha Marshall

    Hi Blogger! I have read your blog it was literally amazing and valuable for me. You provided great information on Solar Panel Utilization Tips. These tips are very useful if we are thinking of getting an installation of a Solar Panel. If you are looking for the installation of Solar Panels in Sutherland Shire then Impressive Electrical & Solar will be the best option.

    Aqua Solar Cleaners

    Aqua Solar Cleaners

    Thanks for sharing this interesting blog with us. I am also a solar paneI cleaner and running a solar panel cleaning company in California called “Aqua Solar Cleaners”. Here we offer residential & commercial solar panel cleaning services with Semi-Annual, Quarterly, monthly options. You can also check out our website for more :
    We have also mentioned some interesting strategies. Thanks!

    sumanth shailendra

    sumanth shailendra

    I wanted someone for cleaning my 2MW of solar panels

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