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How to Clean Solar Panels Properly: The Complete Guide
You’ve invested in solar panels, proud of the energy savings and eco-friendly benefits they bring. Over time, you start noticing something isn’t quite right—your panels aren’t performing as efficiently as they used to.
Maybe you’ve checked your energy bills or noticed the output dropping on a sunny day. It’s easy to overlook, but the truth is: keeping your solar panels clean is key to ensuring they continue to deliver the results you expect.
Well, here’s a fact many overlooks: dirt, dust, and bird droppings can seriously cut into your system’s performance. And that leads to the big question—how do you clean solar panels without damaging them? Is there a best way to clean solar panels that’s safe, simple, and affordable?
This guide walks you through exactly that. From understanding when your solar panels need cleaned to a full step-by-step cleaning process, we’ll help you get your panels back to peak performance.
Let’s dive into the how, when, and why of cleaning your solar panels, as well as some common mistakes to avoid along the way.
When Does Your Solar Panel Need Cleaning?
Before grabbing your bucket and sponge, ask yourself—do solar panels need cleaned regularly? In many parts of Australia, the occasional rain does help. But there are cases where a hands-on clean is a must.
- Dry, dusty areas: If you stay in a place vulnerable to dust storms or little rainfall, dirt can accumulate on your panels, lowering their performance.
- Tree debris: Leaves, pollen, and sap can block daylight, especially if your panels are positioned below bushes.
- Bird droppings: Not handiest are chicken droppings unpleasant, however additionally they block sunlight, reducing strength manufacturing.
So, how do you know when it’s time to clean solar panels? A visible layer of grime or a noticeable dip in performance is your cue. On average, roof solar panel cleaning should happen every 6-12 months.
What Do You Need Step-by-Step Cleaning Process
Now that you know when it’s time to clean, let’s talk about how to do it. Here’s everything you’ll need and the step-by-step cleaning process to get your solar panels sparkling clean:
What you’ll need:
- Soft Brush or Sponge: To avoid scratching the panel surface.
- Mild Detergent: Go for a green, non-abrasive cleanser.
- Warm Water: To blend with the detergent.
- Safety Gear: If you’re doing roof solar panel cleaning, make certain you have a solid ladder, non-slip shoes, and a harness.
- Squeegee or Soft Cloth: To dry the panels afterward.
Step-by-step process:
Here’s a step-by-step process explained for you to clean your solar panel effectively.
Safety first
Ensure your panels are cool to the touch (early morning or late afternoon is ideal).
Rinse panels
Start by spraying them with a hose to remove loose dirt and debris.
Apply cleaning solution
Mix mild detergent and warm water in a bucket. Use a soft brush or sponge to gently scrub the panels in circular motions.
Rinse again
Once you’ve cleaned the surface, rinse off any soap residue with a hose.
Dry the panels
Use a squeegee or soft cloth to dry the panels, avoiding water spots.
Still wondering what to clean solar panels with? Keep it simple—no harsh tools, no pressure washers, no bleach.
Refer this blog – Solar Batteries and How Do They Work?
5 Common Mistakes to Avoid clean solar panel
Avoid harsh brushes or metallic wool, that may scratch the panel’s surface and affect performance.
High-strain water can harm the panels, in particular the seals, which may also result in leaks.
Bleach or robust detergents can erode the protective coating of your panels, reducing their lifespan.
Cleaning in direct daylight
Water evaporates quick beneath the sun, leaving unsightly spots or streaks. Clean your panels inside the early morning or overdue afternoon when the sun is less intense.
Neglecting safety
If cleansing from a roof, ensure to use the proper safety gadget like a solid ladder, harness, and non-slip shoes to keep away from accidents.
If you’re unsure how to clean solar panels on your roof safely, don’t risk it. That’s where the pros come in.
Professional Cleaning Services
If your panels are hard to access or heavily soiled, consider hiring professionals. They have the right equipment and expertise to clean panels safely and effectively. In Australia, professional cleaning can cost between $150 to $300, depending on the system size and location. Let Sun2Solar help you get your panels all cleaned up.
When it comes to cleaning your solar panels, you might wonder whether it’s best to do it yourself or hire a professional. Here’s a comparison to help you decide:
|
Factor |
DIY cleaning |
Professional cleaning |
| Cost | Minimal – mainly cleaning supplies | $150 – $300 per session (typical solar panels cleaning price in Australia) |
| Safety | Risky if not experienced with roof work | Handled by trained professionals |
| Effectiveness | Good for light cleaning | Best for deep cleaning and hard-to-reach areas |
| Time Investment | A few hours | Professional handling from start to finish |
DIY cleaning
Pros: Cost-effective, quick for minor clean-ups.
Cons: Requires physical effort, potential safety risks if you’re cleaning from the roof.
Professional cleaning
Pros: Thorough and efficient cleaning, especially for hard-to-reach areas.
Cons: Higher cost, but worth it for deep cleaning or if you’re uncomfortable cleaning the roof.
Professional cleaners know exactly how to clean solar panels on the roof without risk. If your setup is steep or tricky, Sun2Solar can handle the job quickly and safely.
Final Thought
Keeping your solar panels clean is a simple yet effective way to ensure they continue to work at their highest efficiency. Whether you choose to tackle the cleaning yourself or hire a professional, regular maintenance will help prolong the life of your panels and keep your energy production optimal.
Remember, always prioritize safety while cleansing from the roof, and in no way use harsh materials or high-stress jets. By following the stairs outlined in this guide and avoiding common errors, you’ll be capable of preserve your sun funding and hold it running for future years.
Ready to get your panels shining again?
Reach out to Sun2Solar for a safe, professional clean—so your system keeps working as hard as you do.
