For businesses and property owners, clean solar panels mean better energy output and reduced operational costs. At NSS Group, we deliver safe, efficient cleaning of your solar panels that enhances performance and protects your investment.
At NSS, we specialise in keeping your solar panels performing at their best. Our expert operatives ensure panels stay clean and free from dirt, moss, and obstructions, maximising energy output and extending the lifespan of your investment.
Benefits Of Keeping Solar Panels Clean
Regular cleaning helps your solar panels operate at peak efficiency by removing dirt, dust, and debris that block sunlight and reduce energy production. Keeping panels clean not only improves performance but also prevents long-term damage, extending the lifespan of your investment and lowering maintenance costs.
- Increased Energy Output: Clean panels produce more electricity and improve ROI
- Integrated Service: Can be combined with electrical testing for a complete performance check.
- Extended Lifespan: Prevents long-term damage caused by dirt, moss, and debris
- Maintained Warranties: Many manufacturers require evidence of regular cleaning
- Reduced Fire Risk: Eliminates debris build-up that could pose hazards
- Improved Safety: NSS operatives are trained in working at height and using access platforms safely
- Compliance & Reporting: Full documentation, photos before during and after of all jobs undertaken
With NSS, you get a trusted partner who keeps your solar panels, and your wider facilities, safe, compliant, and efficient.
Our Solar Panel Cleaning Service Includes:
Our comprehensive service covers all aspects of safe, effective solar panel cleaning; including site assessment, access equipment, and the use of purified water systems for a streak-free finish. Every clean is carried out by our directly employed, fully trained operatives, ensuring quality, safety, and compliance on every visit.
- Specialist cleaning using pure water systems, no chemicals that could damage panels
- Safe access solutions, with our team trained to work at height
- Regular inspection & reporting, highlighting any issues affecting performance
- Integrated into your planned maintenance programme
Why Choose NSS?
At NSS, we take pride in delivering a fully managed, end-to-end service you can depend on. With directly employed, highly trained operatives and industry-leading safety standards, we ensure every project is completed efficiently, safely, and to the highest standard. Our national coverage and 24/7 availability mean we’re always ready to respond, keeping your sites compliant, operational, and performing at their best.
- Directly employed operatives
- Dedicated 24/7 call-out, 365 days a year
- No subcontractors; complete control over quality and reliability
- Specialists in working at height, glazing, roofing, and high-level structures
- Timely, accurate reporting to support compliance
- Access platforms and safety equipment included as standard
Solar Panel Cleaning FAQs
Most solar panels benefit from professional cleaning every 6 to 12 months, depending on location and environmental factors. Areas with high pollution, dust, bird activity, or tree coverage may require more frequent cleaning to maintain optimal efficiency.
Yes. Dirt, dust, pollen, and other debris can block sunlight and reduce your system’s output by up to 20–30%. Regular professional cleaning helps restore maximum energy generation and ensures you get the best return on your investment.
At NSS Group, we use a pure-water cleaning system with soft-bristle brushes and extendable poles to remove dirt effectively without chemicals. This method leaves a streak-free finish and prevents residue build-up that could affect performance.
Yes. We offer tailored cleaning solutions for commercial, industrial, and large-scale solar installations, ensuring minimal disruption and compliance with all health and safety regulations.
Contact NSS Today
Restore your solar panels to peak performance with expert cleaning from NSS Group. Get in touch today to discuss your requirements and see how regular maintenance can boost energy output and protect your investment.
I have instructed & monitored the service delivery of various maintenance and high level cleaning contractors. NSS are a breath of fresh air, I would recommend them.
Facilities Manager for a professional services firm
