What happens when dirt builds up?
Soiling reduces the light reaching the solar cells. Localized deposits, such as bird droppings, can shade parts of a module. The effect varies with the site, weather and type of deposit.
CHUANMAI · Solar panel cleaning
Why clean
your solar panels?
Dust, pollen and bird droppings can block sunlight and reduce the energy your panels produce.
Rain can help, but some deposits remain. Choose a cleaning method that suits your panels, site conditions and maintenance needs.
Equipment in actionOn-site cleaning & equipment demonstrations.
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Why cleaning matters
Planned cleaning supports
solar panel performance.
Dust, sand, pollen and bird droppings can build up on solar panels, block sunlight and reduce energy output. Cleaning can help address these deposits as part of a maintenance plan suited to your site.
The effect of soiling varies with location, weather and panel layout. Review system performance and compare the expected benefit of cleaning with the cost before deciding when and how to clean.
Will rain do the job?
Rain may wash away loose dust, but some deposits can remain on the surface. Inspect your panels and decide whether further cleaning is needed for your site.
Clean with the panel in mind.
Abrasive tools and unsuitable cleaning agents can damage the surface or coating. Follow the module manufacturer's instructions for tools, water quality and cleaning conditions.
What is on your panels?
Identify the deposit before choosing your cleaning equipment.
Dust & fine particles
Airborne dirt from roads, construction, agriculture and industry can settle across the glass.
Pollen
Seasonal pollen can collect on panel surfaces. Check the site during local pollen season.
Bird droppings
Concentrated deposits can shade individual areas of a module and need attention.
Leaves & organic debris
Fallen leaves and loose plant material can cover cells and collect along panel edges.
Moss & lichen
Persistent growth needs careful assessment. Ask the module supplier about an approved treatment.
Industrial deposits
Residue near industrial or agricultural sites may require a method specific to the contamination.
Match the equipment to the cleaning task.
Explore cleaning equipmentShare photos of your panels, the site layout and water supply so we can discuss a suitable setup.
Cleaning frequency and results depend on site conditions. Follow the PV module manufacturer's cleaning instructions.
Factory in Yongkang, ChinaDiscuss equipment directly with our team
Brushes & robotsChoose around the work you need to do
One-year warrantyWarranty terms confirmed with your order
Our equipment
Find your cleaning setup.
Compare the operating approach, site requirements and included accessories before you order.
Pole-operated brushes
CM-101S
Single-disc brush
A single-disc cleaning brush with a custom-length telescopic pole and a choice of brushed or brushless motor.
View CM-101S
CM-102S
Dual-disc brush
Two rotating brush discs with a custom-length telescopic pole and a choice of brushed or brushless motor for water-fed panel cleaning.
View CM-102S
CM-103S
Roller brush
A roller cleaning head with a custom-length telescopic pole and a choice of brushed or brushless motor for water-fed panel cleaning.
View CM-103SRemote-controlled robots
CM-105S
Single-roller robot
A tracked solar panel cleaning robot with one roller cleaning head and handheld remote control.
View CM-105S
CM-106S
Dual-roller robot
A tracked solar panel cleaning robot with two roller cleaning heads and handheld remote control.
View CM-106SFactory customization
A cleaning brush configured
for your work.
Customize the telescopic pole length and choose a brushed or brushless motor for your cleaning brush.
Custom pole length
Tell us the pole length you need in metres, along with your panel layout and working access.
Brushed or brushless motor
Choose your preferred motor type. We will confirm the configuration for the brush you select.
Select by the job
Your site shapes
the right solution.
Cleaning area is only part of the decision. Panel layout, access and water supply matter too.
Explore site requirementsCheck the layout
Show us the panel rows, gaps, edges and roof access.
Choose how to work
Compare hands-on pole cleaning with a remotely controlled robot.
Confirm the complete kit
Match the pole, water hose, power supply and spare brushes to your order.
CHUANMAI · 川脉
A direct conversation
with the factory.
Based in Yongkang, Zhejiang, China, our business focuses on solar panel cleaning equipment. Speak with our team about product selection and your equipment requirements.
YongkangZhejiang, China
1 yearProduct warranty
Before you order
Know what
you are buying.
Request product information, confirm the accessory list and discuss your site before finalizing the order.
Factory photographs
See where we work.
Explore our equipment and workshop through real photographs from the factory.
Brush heads & components
Electric brush heads and equipment components on workshop shelving.
Solar cleaning robot
Robot frame and roller brushes in the workshop.
Workshop workstations
A view of the workstations, team and equipment in our workshop.
Practical answers
Solar panel cleaning FAQs
Costs, equipment selection and cleaning methods for your next project.
How much does it cost to clean solar panels?
There is no single price for every site. The cost of each cleaning visit depends on the panel area, dirt level, access, local labor rates, water supply and travel. For your own cleaning team, also include equipment, transport, power, replacement brushes and maintenance.
CHUANMAI supplies cleaning equipment. For an equipment quotation, send your country, cleaning area, panel layout and preferred brush or robot. The quotation will specify the selected configuration, accessories and shipping terms.
Is solar panel cleaning worthwhile?
Cleaning can be worthwhile when the value of energy lost to dirt exceeds the cost of cleaning. The result depends on local dust, rainfall, panel tilt, electricity value and how quickly dirt returns.
Use site inspections and performance records to assess the need. Compare output under similar weather conditions, and check for other causes of reduced generation. A cleaning schedule should reflect your site; there is no guaranteed production increase or universal cleaning interval.
Should I use a telescopic brush or a cleaning robot?
A telescopic brush may suit smaller or separated areas, panel edges and sites where an operator can reach the panels from a suitable working position. Confirm the required reach, brush format and water supply.
A remote-controlled robot may suit larger, continuous panel areas with a compatible layout. Check slope, gaps, edges, access and handling between rows. CHUANMAI's robot uses handheld remote control and requires an operator. Send site photos and measurements so we can compare the options.
When is it worth buying a solar cleaning robot?
Consider a robot when you have repeat cleaning work, a compatible panel layout and enough annual use to justify the investment. Compare its total operating cost with your current cleaning method, including setup, transfers between rows, operator time, transport, water, maintenance and spare parts.
Base the decision on your own workload and a representative equipment demonstration. Larger area alone does not guarantee a shorter payback period; suitability and actual time saved matter too.
Do I need a cleaning agent for solar panels?
Loose dust may be removed with suitable water and a compatible soft brush. Some stubborn deposits may need a different treatment. Follow the module manufacturer's instructions for water quality, brush material, cleaning pressure and any permitted cleaning agent.
Use a cleaning agent only if the module manufacturer permits it, at the specified dilution and with the required rinsing. Confirm compatibility with the module coating and the cleaning equipment before use. Do not assume ordinary household chemicals are suitable.
Equipment enquiries
Tell us about
your project.
Include the panel layout, cleaning area, access and water supply. Let us know whether you clean your own installation, provide cleaning services or distribute equipment.
Product requirements
Brush or robot, quantity and accessories.
Project conditions
Country, site type and operating conditions.
Order details
Delivery destination and any questions before you order.
Choose equipment for your site.
Tell us about the panel layout, cleaning area and water supply. We can discuss a suitable equipment configuration.