Solar Panel Cleaning in Auburn

When sunlight can’t reach your solar cells, your energy output drops off big time. Grime and pigeon nests may seem minor, but they block or scatter sunlight, making your solar inverter work harder while producing less power.

Studies show that a dirty solar panel system can lose up to 25% of its power efficiency. For a typical 6.6 kW PV system, that’s hundreds of dollars a year in lost energy.

After one of Auburn’s stormy spring weeks, we cleaned a café roof covered in oily residue and dust. Once rinsed with Pure Water Systems and a soft-bristle long-handled brush, their inverter readings jumped by 18%. A spotless finish means better solar output and a stronger return on investment.

Many homeowners grab a bucket of soapy water and think it’ll do. But DIY solar cleaning often leads to scratches, corrosion or even electrical hazards.

Here Are the Biggest Mistakes We See:

• Using the wrong detergent and damaging coatings against the manufacturer’s recommendations.
• Blasting with high-pressure water that cracks glass or seals.
• Standing on the mounting system and voiding warranties.

We’ve seen solar inverter faults caused by water entering connectors after poor DIY jobs. A professional cleaning prevents that by protecting seals and wiring while ensuring compliance with safety codes.

Our SAA-accredited technicians use deionised water and water-fed brushes that leave no residue — delivering a streak-free, safe clean that restores peak efficiency without risking damage.

Cleaning panels is more than a cleaning job — it’s a height-safety task. Wet glass, steep pitches and hidden cabling make the roof one of the riskiest places to work without proper gear.

At Window Cleaning Melbourne Crew, our professional solar panel cleaners are fully trained in WorkSafe Victoria standards and covered by public liability insurance. We work alongside A Grade electricians and electrical engineers for connection testing and system verification.

Our Safety Setup Includes:

• Harnesses and certified anchor points.
• Non-slip footwear and lanyards.
• Full compliance with OHS standards.

We also partner with experts for in-depth technical inspections. That means you get a thorough solar system health check every time — including wiring reviews, inverter troubleshooting, and inspection for weather-related wear or corrosion.

And yes, we remove pigeon nests too. Birds love nesting under panels, but their droppings block sunlight and corrode metal. Our bird-proofing solutions keep your system safe and clean.

Here’s what separates a professional solar clean from a quick DIY rinse:

1. Pre-clean and Isolation: We inspect your solar installation and switch off the isolator to ensure full electrical safety.
2. Pure Water: Using Pure Water Systems and deionised water, we filter out minerals for a spotless, eco-friendly rinse.
3. Gentle Brush: Our water-fed brush and long-handled brush remove grime, bird poop and organic buildup safely.
4. Soft Rinse and Finish: Using soft washing methods, we rinse the panels clean without leaving residue or damaging seals.
5. System Check: We do inverter checks, review connections and ensure your system is running at peak efficiency.
6. Post-service Report: You get before-and-after photos plus maintenance notes following manufacturer recommendations.

That’s how our solar cleaning services keep panels clean and performing at full capacity — without the risk or voiding warranty.

Eco-Friendly Cleaning

Our cleaning process is 100% eco-friendly. We use deionised water from Pure Water Systems — filtered through reverse osmosis membranes to remove minerals.

• No detergents near your roof or gutters.
• No contamination in rainwater tanks.
• No runoff into gardens or storm drains.

Each clean uses less than 10 L per panel, making it safe and sustainable. That’s how Window Cleaning Melbourne Crew delivers clean power with a clean conscience.

Auburn’s leafy streets, road dust and wet spring weather mean your panels get dirty fast.

• Every 6–12 months for homes.
• Every 3–6 months for commercial solar systems.
• Immediately after storms or nesting season.

Quick Self-Check List

• Noticeable drop in energy production.
• Visible grime, bird droppings or streaks.
• Signs of pigeon nests under panels.
• Lower inverter readings than usual.
• Unusual noise or smell from the solar inverter.

If any of these sound familiar, it’s time to schedule a solar panel health check or a full clean. Our team can combine cleaning with solar maintenance services, solar repairs, or minor wiring reviews — keeping your system compliant and safe year-round.