If your electricity output has dropped, a professional deep clean is often the most cost-effective way to restore your system's performance. But how much should you actually be paying?

💡 Quick Fact: Most Perth homeowners see a 10% to 30% increase in energy efficiency after a professional clean, often paying for the service in just a few months of power bills.

What Determines the Price?

In Perth, professional cleaning costs aren't "one size fits all." Here are the three main factors that impact your quote:

01

The Total Number of Panels

Naturally, a 6.6kW system with 16–20 panels is faster to clean than a large 10kW+ system. Most professionals offer a "base rate" for the first 10–15 panels and a small per-panel fee thereafter.

More Panels = Lower Cost Per Panel
02

Roof Pitch & Accessibility

Is your home a single-story or a double-story? Steeply pitched roofs or panels located near the edge require specialized safety harnesses and "Working at Heights" setup time.

Safety Equipment is Included
03

The Level of Grime Accumulation

Panels covered in thick bird droppings, heavy coastal salt spray, or "lichen" require more time and specialized deionised water treatments than a simple dusty panel.

Lichen Removal Requires Expertise

Is Professional Cleaning Worth It?

While DIY might seem cheaper, the risk of falling or causing "thermal shock" cracks in your glass often outweighs the small cost of a professional. When you hire an expert, you get:

✓ Fully Insured Service✓ Certified Technicians✓ Maximum ROI