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Solar Panel Cleaning for Maximum Efficiency and Long-Term Performance
- SMSolar
- Oct 16
- 4 min read
For many homeowners and businesses, solar panels are a smart solution to reduce electricity bills while contributing to a cleaner environment. However, one key factor is often overlooked: regular maintenance. Dust, dirt, and pollution buildup can significantly reduce solar panel performance sometimes by as much as 30% in certain conditions.
Dirty panels have to work harder to generate the same amount of electricity, which means lower efficiency and less savings for you. With consistent and proper care, solar panels not only stay clean but also produce maximum energy every day, ensuring your renewable energy investment delivers optimal results.
Why Regular Solar Panel Maintenance Matters
Even if solar panels continue to function when dirty, their efficiency gradually decreases. Over time, this translates into significant losses.
Dry or dusty regions → efficiency can drop by 10% or more.
High-rainfall regions → efficiency remains higher (95%+), but stubborn stains may still reduce performance.
Solar panel maintenance is not just about keeping panels clean it’s about protecting the value of your investment.
When Should You Clean Your Solar Panels?
Twice a year → in areas with frequent rainfall.
3–4 times a year → in dry, dusty, or industrial zones.
Immediately after spotting persistent stains that rainwater doesn’t wash away.
Safe Solar Panel Cleaning Tips
Use clean water and a soft cloth to avoid scratches.
Clean in the early morning or late afternoon when panels are cool.
Avoid harsh detergents or abrasive tools.
For the best results, use a solar-specific cleaning product like Chemitek.
If unsure, trust professional services for safe and thorough cleaning.
Chemitek is an innovative cleaning and maintenance solution from Portugal, specifically designed for the solar industry. With its efficient and eco-friendly formulation, Chemitek provides a reliable way to remove contaminants, prevent soiling buildup, and enhance the overall performance of solar panel systems. All Chemitek products have undergone rigorous testing and are certified by independent laboratories such as TÜV SÜD and CVR, ensuring compliance with global industry standards.
In Indonesia, SMSolar is the exclusive authorized distributor of Chemitek, guaranteeing that all available products are original, certified, and aligned with international standards. Through SMSOLAR, solar panel users across Indonesia can easily access Chemitek solutions, ensuring their solar assets remain clean, efficient, and long-lasting—while also supporting the broader adoption of sustainable clean energy.
4 Key Benefits of Chemitek Solar Panel Detergent
Chemitek is designed as a professional solar cleaning solution not just for cleanliness but also for long-term protection.
Protective Effect – More Than Just Clean
Specially formulated to prevent mold, water scaling, and metal pollutants, keeping panels cleaner for longer while protecting the glass surface.
Maximized Energy Output
A spotless panel absorbs sunlight more effectively. With Chemitek, your panels can consistently operate at peak capacity, producing more electricity and boosting savings.
Safe for Panels & Eco-Friendly
Made with a biodegradable formula, free from harsh chemicals. It’s tough on dirt but gentle on the environment.
Higher Operational Efficiency
Regular maintenance with Chemitek reduces the need for costly repairs, lowering operational expenses and helping you achieve a faster Return on Investment (ROI).
Type of Products Chemitek for Solar Panel Maintenance
Chemitek offers up to 18 products with varying specifications and functions, tailoring them to meet a variety of solar panel maintenance needs. Of these products, four types of detergents are most commonly used due to their effectiveness in maintaining cleanliness and improving solar system performance.
4 Types of Chemitek Detergents and Their Benefits
1. Solar Wash Protect 50
2 in 1 product - cleaning and antistatic and antiadherent protection, Designed for manual cleanings - up to 50% less time and water, Removes all types of organic soiling and makes the next cleaning easier, Reduces the adhesion of soiling to the glass thus increasing energy production up to 5% (varies with the soiling rate and type), Readily biodegradable and environment friendly - pH neutral and free of solvents, Certified by TÜV Sud and by PV manufacturers - does not void the modules' warranty and its approved by 12 of the top 15 manufacturers, Also suitable for water fed pole, robots or armbrushes on tractor, Used preventively will reduce the adhesion of contaminants such as cement or stone dust - recommended after using the Cement Removal Agent.
2. Cement Removal Agent :
Easily removes the contaminants that are otherwise almost impossible to remove without damaging the modules, Developed specifically for PV modules and tiles, No more scrapping - reacts immediately with the contaminants and emulsions the particles, Tested by TÜV Sud - does not damage the ARC, silicone and aluminium frame, Readily biodegradable and environmentally friendly, Act preventively and protect the modules with one of our anti-static coatings to avoid the recurrent use of the Cement Removal Agent.
3. Lichen Removal Agent :
No more scrapping helps to break the bond between the lichens and the solar glass, making them easier to remove, Saves time, effort and water while avoiding potential damages to the modules due to agressive cleaning methods, Developed specifically for PV modules and tiles, Tested by TÜV Sud - does not damage the ARC, silicone and aluminium frame, Readily biodegradable and environmentally friendly, Act preventively and protect the modules with our coating D-Solar Defendor to avoid the recurrent use of the Lichen Removal Agent.
4. Metal Oxides Removal Agent :
Easily removes metal oxides that are otherwise hard to remove without scrapping and risking damaging the modules, Developed specifically for PV modules and tiles, No more scrapping - reacts with the metal oxides particles making them easy to remove, Tested by TÜV Sud - does not damage the ARC, the silicone or the aluminium frame, Act preventively and protect the modules, in case of frequent contamination, with one of our antistatic coatings to avoid the recurrent use of the Metal Oxides Removal Agent, PV solar plants, thermal solar plants, PV solar tiles, etc.
Keep Your Solar Panels Performing at Their Best
Solar panel performance depends not only on installation but also on proper and consistent care. Dust and dirt can cut efficiency by up to 30%. With Chemitek, you get a cleaning solution that’s safe, eco-friendly, and proven to maximize energy output. Get your free consultation at www.smsolarindo.com and keep your solar panels performing at their best all year round!
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