Can You Pressure Wash Solar Panels? Best Solution

If you have solar panels installed in your home or business places then a question may come to your mind can you pressure wash solar panels?

According to SEIA, the solar industry has seen a 153% increase in jobs over the past decade and created 240,000 new jobs in 2020.

Solar energy is growing in popularity in the US, with 16 GW of solar capacity installed in 2019 and 87 GW in 2020.

Can You Pressure Wash Solar Panels
Can You Pressure Wash Solar Panels

Solar panel cleaning is an important part of maintaining your solar panels. Not only do clean panels produce more energy, but they also look better and last longer.

Solar panels are becoming increasingly popular for supplying household energy needs, converting solar energy into useful power.

Cleanliness is key for cost-effectiveness as it determines the amount of energy produced.

Solar panels require regular cleaning to remain efficient, and hence the question arises in the mind can you pressure wash solar panels?

Pressure-washing solar panels is possible, but caution must be taken to avoid damaging them or voiding warranties.

Homeowners with solar panels need to consider pressure washing to maintain optimal functionality and keep their panels looking their best.

Power washing solar panels is typically beneficial for new installations or when the power washing done has been insufficient, and they can also help maintain cleanliness due to dirt buildup.

Key Points of Content

Can You Pressure Wash Solar Panels? 💧

Actually yes, 👍 you can clean your solar panel with a pressure wash, but you have to be very careful because the solar panel is a material made of glass or plastic, which is more likely to break if you clean it with too much pressure.

Many people say that not cleaning the solar panel with pressure wash will damage it, Yes, I also say that damage will happen, but if you take extra care, you can prevent it.

Solar panels require regular cleaning. However, pressure washing is not recommended due to the risk of damaging the panels because it can cause the following damages.

  • Paint Abrasion
  • Refusal of Warranty
  • Overspray

Since sometimes there is so much dust and dirt that clings to the solar panel that cannot be cleaned with a simple brush, pressure washing is necessary, so here we take care of pressure cleaning solar panels, and There is a detailed discussion about what tools are required.

If you want to clean it with a pressure washer, you have to take some care. You can use some conditions and methods to clean the solar panel we will discuss here.

It is possible to pressure wash solar panels. ”Extra care must be used when power cleaning a solar panel system”.

Utilizing a pressure washer to clean solar panels can help remove debris, buildup, and other impediments that could otherwise reduce the system’s efficiency.

Cleaning solar panels with a pressure washer can be done in various ways. It is important to read the owner’s manual for your specific model of solar panel cleaner before beginning.

Pressure-washing solar panels can help increase their lifespan and result in cost savings. 

Pressure washing is a key part of maintaining solar panels.

This blog post explains its benefits and the proper techniques for doing so and dispels some common misconceptions about this important maintenance task.

Remember, caution must be taken when pressure washing solar panels as improper cleaning can void warranties or damage the panels. If you have questions about how to clean solar panels, consult with a professional.

It is also important to ensure the pressure washer is the correct size and has enough water pressure to clean the panels.

Joining a pressure washing association can help ensure you use the appropriate amount of water and pressure when cleaning solar panels.

It will be easy to get the answer to the question of whether you can pressure wash solar panels, which we are still giving more information about.

How to Use a Pressure Washer to Clean Solar Panels? 9 Step By Step Guide

The 9 steps for pressure cleaning solar panels and being extremely cautious are as follows:

  • Step 1: Gather the equipment needed for pressure washing
  • Step 2: Cleaning the solar panel with low-setting pressure water
  • Step 3: Prepare All your Area Where Solar Panels are Installed
  • Step 4: Mix the Cleaning Solution
  • Step 5: Clean the Solar Panels with a Soft Bristle Brush
  • Step 6: Adjust the Pressure Washer Settings to the Manufacturer’s Recommendations
  • Step 7: Start Pressure Washing from the Top of the Panel and Move Downward in a Circular Motion
  • Step 8: Make Sure to Rinse off All Soap Residue
  • Step 9: Allow the Panels to Dry Thoroughly Before Reinstalling

📌Step 1: Gather the equipment needed for pressure washing 🔧

According to me if you want to clean solar panels with a presser, then some tools 🛠 are required.

Gathering such tools is an important task so you can clean solar panels with pressure in an organized way.

For which the list of necessary tools 🛠 is given below. If you want more information about those tools, you can get it by clicking on the link in front of it.

  1. Pressure washer at a low setting (around 1,500 PSI)
  2. Mild cleaning solution
  3. Nozzle with a fan pattern
  4. Soft-bristled brush
  5. Safety equipment like safety goggles, gloves, etc
Bare Ground Winter Bare
Mild cleaning solution Bare Ground Winter Bare

1S-SPCHEC Solar Panel Cleaner Concentrate with Hose-End Mixing Sprayer, 32 oz (1 Quart)

Water Fed Pole Kit, Length Water Fed Brush

20m Water Pipe Cleaning System, Outdoor Window Cleaner

Dramm One Touch Assorted Fan Nozzle
Nozzle with a fan pattern

Dramm One Touch Assorted Fan Nozzle

Supermore Anti-Fog Protective Safety Goggles
Supermore Anti-Fog Protective Safety Goggles Lab Goggles

Soft edge design: The light, flexible, and pleasant PVC used to make the frame ensures that there is no pressure when wearing it.

Safety Gloves
Safety Gloves

Cut-Resistant Safety Impact Glove, Heavy Duty Anti-Vibration Work Glove

📌Step 2: Cleaning the solar panel with low-setting pressure water 🚿

The pressure washer’s PSI (pounds per square inch) is the most important consideration while cleaning solar panels with pressure.

Utilizing a pressure washer with an excessive PSI could harm the solar panel. Thus, it is important to use one with the right PSI.

A pressure washer with a PSI of 1,500 to 2,000 is appropriate for pressure washing solar panels.

You should also check to see if the pressure washer has changeable settings so you may change the PSI as necessary.

You may be confident that your solar panels will be pressure washed safely and in accordance with these guidelines.

Avoid using harsh chemicals close to solar panel cells and use low-pressure settings.

It might also be a good idea 💡 to employ a professional to perform pressure cleaning to guarantee that the system is updated.

📌Step 3: Prepare All Your Area Where Solar Panels are Installed

It’s crucial to properly prepare the area before pressure washing solar panels. Check the area thoroughly for any debris that can obstruct the cleaning procedure.

After removing all debris, it’s crucial to scrub the solar panels’ surface with mild detergent carefully. Any filth or grime accumulated over time will be made loose by doing this.

Ensuring the detergent is compatible with the solar panels’ material is also vital.

Your solar panels won’t be harmed during pressure washing if the area is prepared correctly, and an appropriate detergent is used.

📌Step 4: Mix the Cleaning Solution

In a bucket, combine a light cleaning solution, like water and mild detergent. This will assist in effectively cleaning filth and grit without harming the panels.

Avoid putting any abrasive or strong chemicals on the solar panels because they might etch or discolor their surface.

Because solar panels are typically constructed of silicon and are susceptible to certain chemicals, use a cleaning solution designed exclusively for solar panels.

Any precise cleaning suggestions should be found in the manufacturer’s instructions.

In order to effectively clean your solar panels without causing harm, it’s crucial to use the right cleaning solution. It is normally safe and efficient to use a moderate detergent and water solution.

  • Mild cleaning solution Bare Ground Winter Bare

    Bare Ground Winter Bare
    • Cleans and safeguards your solar panels in one step to increase efficiency
    • Free of ammonia, streak-free, smearing, and drying quickly
    • No corrosive gases or acids
    • Easy to use and good for the environment
    • increases efficiency and helps you get the most return on your investment.

📌Step 5: Clean the Solar Panels with a Soft Bristle Brush

Instead of a pressure washer, a soft-bristle brush should be used to pressure wash solar panels. A pressure washer’s force could harm the solar panels’ delicate components.

Furthermore, washing using a soft bristle brush enables a more complete cleaning because the bristles may access confined spaces on the panels.

When done correctly, cleaning the solar panels with a soft bristle brush ensures they are clean and operating as intended.

Use a light cleaning solution while pressure washing solar panels because a more robust cleaning solution could harm the panels.

It is recommended to use a cleaning solution made especially for solar panels because it will be soft enough to gently clean the panels without harming them.

Additionally, you can eliminate all the dirt and grime by using a mild solution, which will allow your solar panels to work at their most effective level.

📌Step 6: Adjust the Pressure Washer Settings to the Manufacturer’s Recommendations

When pressure cleaning solar panels, setting the pressure washer’s settings following the manufacturer’s instructions is crucial.

This is necessary to prevent damage to the panels during the cleaning procedure.

The type of solar panel will determine how much pressure is needed to clean it. Therefore it is best to verify with the manufacturer before beginning.

Use a nozzle that won’t scrape the panels to avoid further damage.

Your solar panels will work at their best for many years if you follow these guidelines, which will assist in ensuring adequate maintenance.

📌Step 7: Start Pressure Washing from the Top of the Panel and Move Downward in a Circular Motion

When pressure cleaning the solar panel, start at the top and go downward circularly.

The delicate electrical components concealed inside the panel surface won’t be harmed if you do this, and the panel surface will be clean of any dirt and debris.

Additionally, this method prevents water or debris from congregating in one area, which could impair the panel’s operation.

To prevent the panel from being harmed by the power of the water, use a pressure washer on a low setting.

📌Step 8: Make Sure to Rinse off All Soap Residue

Ensure to rinse any soap residue that could have developed during the cleaning process before pressure-washing solar panels.

To totally eliminate any soap residue, do this by spraying a garden hose over the solar panels.

Additionally, when pressure-washing the solar panels, be careful not to apply too much pressure because this may harm them. The solar panels will be clean and ready for use after thorough rinsing.

Rain may not provide enough maintenance for solar panels, but pressure washing them is not advised as it can cause damage.

📌Step 9: Allow the Panels to Dry Thoroughly Before Reinstalling

Before attempting to reinstall the solar panels after the cleaning procedure is over, it is crucial to ensure that every single one is totally dry.

This can be accomplished by letting the panels air dry in a well-ventilated room for a few hours.

Additionally, it’s essential to avoid using any heating or cooling equipment, like a hairdryer or fan, to hasten the drying process because doing so could harm the delicate parts of the panel.

How to Choose a Pressure Washer for Cleaning Solar Panels?

  • Identify the sort of solar panel you have: some are more sensitive to pressure than others and call for a lower-pressure washer.
  • Take into account the solar panel’s size: You will want a more potent pressure washer, the more extensive the solar panel.
  • Select a pressure washer with adjustable settings: to prevent over or under-pressurizing the washer while washing your solar panels.
  • Nozzle Type: To distribute water gently and evenly, pick a nozzle with a fan pattern. Avoid using nozzles with a concentrated or narrow spray since they could harm the panels.
  • Seek out a model with an ergonomic handle: this will simplify controlling the machine while cleaning the panels and keeping it in position.
  • Check to see if the model is made for outdoor usage: Pressure washers made for indoor use might not be able to resist severe weather, which could harm your solar panels.
  • The pressure washer cost: Pick a model within your price range, but remember that a more expensive model might come with additional features and be of higher quality. Avoid reducing the pressure washer’s quality and safety to save money.

Best 5 Water Pressure Clean Your Solar Panels Suggested For You

I suggest some water pressure you can use to clean your solar panel and adjust the pressure you can use.

1. Greenworks 1500 PSI Pressure washer

  • High-Pressure Rating of 1500 PSI
  • High Flow Rate: The 1.2 GPM flow rate
  • Portable Design
  • Lightweight and Durable

If you want to pressure wash your solar panels, the PSI and GPM Pressure Washer Upright Hand-Carry from Greenworks is a fantastic choice.

With its outstanding 2000 PSI and 1.2 GPM output, the PWMA Certified device enables you to clean surfaces efficiently.

To ensure your solar panels perform at their best, use this device to quickly and conveniently clear away dirt and debris.

Pros and Cons Of Greenworks 1500 PSI Pressure washer


  • Lightweight and portable
  • Easy to use and store
  • Powerful 1500 PSI 1.2 GPM pressure washer
  • PWMA certified 
  • Includes a 25-foot high-pressure hose and a 20-foot power cord 
  • Onboard detergent tank for convenient cleaning solution storage


  • Relatively short power cord and hose length 
  • Not suitable for heavy-duty jobs 
  • Noisy when in operation

2. Sun Joe SPX3000

  • High-Pressure Rating of 2030 PSI
  • Adjustable Nozzle allows you to switch from a fan pattern
  • High Flow Rate 1.76 GPM
  • Easy to Use This pressure washer

Your solar panels can be pressure washed with the Sun Joe SPX 5-Amp Electric High-Pressure Washer.

You can quickly clean dirt, grime, and other impurities off your solar panels with up to a maximum of 1450 PSI and 1.45 GPM, ensuring they are clear and operating at their best.

In order to conveniently adjust the pressure to your needs, it also has an adjustable spray lance. Anyone who wants to keep their solar panels tidy and effective should use this tool.

Pros and Cons Of Sun Joe SPX3000


  • Easy to assemble and use
  • Powerful 14.5-amp motor for maximum cleaning power
  • 20-foot high-pressure hose for extended reach and reach further areas
  • Detergent tank for easy detergent application
  • Onboard storage for easy storage of accessories and nozzles
  • Total Stop System automatically shuts off the pump when the trigger is not engaged to save energy and prolong pump life 
  • 5 quick connect spray tips (0º, 15º, 25º, 40º and soap) tackle light, medium and heavy-duty cleaning tasks 


  • Noisy operation 
  • The hose is not very durable 
  • Can be difficult to maneuver in tight spaces due to its

3. Fixnow Electric Pressure Washer

  • High Pressure and Flow Rate of 1500 PSI
  • The compact and lightweight design
  • Stepless Nozzles on his pressure washer
  • Easy Operation
  • Durable Construction

If you want to pressure solar wash panels, the Fixnow Electric Pressure Washer PSI-1 GPM Portable High-Pressure Washer with Stepless Nozzles is ideal.

This pressure washer can thoroughly clean any solar panel thanks to its maximum pressure of 1,500 PSI and variable flow rate of up to 1.7 GPM.

Users can also change the pressure and flow rate to suit the demands of the particular activity, thanks to the stepless nozzle design.

Because of this, it can easily remove tough dirt and debris without endangering the solar panels.

Pros and Cons Of Fixnow Electric Pressure Washer


  • Simple to assemble and use
  • Compact and portable
  • A 1500 PSI motor with power for effective cleaning
  • Three-step nozzles for various cleaning requirements
  • Immediately ceases when the pressure is released
  • Has a detergent tank for straightforward cleaning
  • Extended reach with a long power cord and high-pressure hose


  • It can be challenging to change nozzle tips
  • Less potent than other electric pressure washers of comparable price
  • During operation, it could be noisy
  • Restrictive warranty protection

4. Karcher K1700 Pressure Washer

  • 1700 PSI High-Pressure Rating
  • Turbo Nozzle offers a thorough and concentrated cleaning
  • Simple to Use
  • Robust Design

If you want to pressure solar wash panels, the Karcher K7 PSI TruPressure Electric Power Pressure Washer with Turbo Soap Nozzles is a fantastic choice.

The turbo soap nozzles on this pressure washer enable precision cleaning of difficult-to-reach locations.

It is powerful enough to swiftly and effectively clean the surfaces of solar panels.

This is the best option for any solar panel cleaning project since the changeable pressure settings make it simple to tailor the cleaning to the needs of each panel.

Pros and Cons Of Greenworks 1500 PSI Pressure washer


  • Powerful 1700 PSI motor for efficient cleaning
  • Turbo Nozzle increases cleaning power up to 50%
  • Includes 15° and soap nozzles for customized cleaning
  • Easy to use with a 25-foot hose, onboard detergent tank, and adjustable spray wand
  • Lightweight design for portability and convenience


  • Noisy operation
  • A short power cord may require an extension cord for larger jobs 
  • A low water flow rate may not be ideal for larger outdoor cleaning tasks

5. BLACK+DECKER Electric Pressure Washer

  • 1,400 PSI Low-Pressure Rating
  • Modular Nozzle
  • Convenient Size
  • Tank for Detergent

The electric pressure washer from Black & Decker, which is currently available, is ideal for cleaning solar panels.

This pressure washer is perfect for homeowners who want to maintain their solar panels clean and in good operating order because it can blast away dirt and grime from their surface in a matter of minutes.

The Black & Decker, Electric Pressure Washer is an excellent option for those wishing to rapidly and efficiently clean their solar panels due to its customizable spray pattern and robust motor.

Pros and Cons Of BLACK+DECKER Electric Pressure Washer


  • Easy to use and setup 
  • Powerful cleaning performance 
  • Compact and lightweight design 
  • Affordable price tag 
  • Generous warranty coverage


  • Nozzle tips can be fragile 
  • Limited portability due to short power cord 
  • Limited soap dispenser capacity

What Are the Different Types of Pressure Washers?

There are 2 types of Pressure washers

  • Electric Pressure Washers
  • Gas Pressure Washers

How Much Does It Cost to Pressure Wash Your Solar Panels? 💲

One technique to maintain your solar panels operating at maximum efficiency is to pressure wash them.

It can assist in clearing away dirt, dust, and other obstructions that may amass over time and prevent the solar panels from receiving the sunlight necessary to absorb energy.

Things including the size of the solar panel array, roof access, and the height of the building influence the price of pressure washing solar panels.

Pressure washing a home’s full solar panel array typically ranges from $200 to $400. It may be more expensive or less expensive, depending on the scope and location of the work.

Conclusion: Can You Pressure Wash Solar Panels? 👍

Pressure-washing solar panels is a terrific way to keep them clean and functioning at their peak.

Applying the proper technique and ensuring the pressure washer is set to the appropriate PSI is essential when cleaning the pressure.

By following these steps, you can keep your solar panels in good condition and ensure they operate at their peak efficiency.

FAQ: Can You Pressure Wash Solar Panels?

Can I spray water on solar panels?

Solar panels should be cleaned using low-pressure sprays or adjustable pressure washers, and no harsh chemicals or abrasive materials should be used. Consult a professional if unsure.

Can I wash solar panels with a water hose?

Yes, Cleaning solar panels with a water hose is possible but should be done with a low-pressure setting; harsh chemicals and abrasive materials should be avoided. Consult a professional for the best results.

What should you not clean solar panels with?

Avoid using abrasive objects, strong chemicals, high-pressure water, and cleaning solutions with salts or minerals while cleaning solar panels. The ideal cleaning method is to use a moderate cleaning solution of water and mild detergent, and a soft cloth or brush. It could be better to get professional advice if you’re unclear about the best approach to clean your solar panels.

Can I clean my solar panels myself?

Self-cleaning solar panels work safely. A pail of warm water, a soft-bristled brush or sponge, and a gentle cleanser clean solar panels. Abrasives, high-pressure water, and powerful chemicals degrade panels.
Avoid washing panels in direct sunshine or heat. Wash every panel. Repeatedly cleaning removes stubborn grime.
Solar panel cleaning extends lifespan and efficiency. If you’re uncomfortable cleaning solar panels, employ a pro.

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