20kW Solar System

20KW Solar Power System – A Smart Start for Small Businesses

Running a small business in Australia? The 20KW solar panel system from SmartOz is the perfect entry-level solar solution for sole traders and small business owners looking to reduce electricity costs and take control of their energy usage. This system offers affordable, reliable power and is ideal for offices, shops, small warehouses, and home-based businesses. Plus, it can be scaled up in the future if your energy needs grow.

At SmartOz, we provide high-quality 6.6KW solar systems using Tier 1 solar panels and trusted inverters. These systems are designed for high energy output, low maintenance, and long-term savings. With the latest technology, you can enjoy reliable solar power for years—while cutting down your electricity bills and helping the environment.

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Tier 1 Solar Panels

Power your business with confidence using 20KW of premium Tier 1 solar panels from SmartOz. We use high-efficiency solar modules from trusted global brands, built to perform in Australia’s tough climate. These panels offer reliable output, long life, and outstanding performance over time.

20,000W of solar panel capacity

Tier 1 rated panels from reputable manufacturers

High efficiency for maximum energy production

30-year linear performance warranty

Backed by local Australian support and service

20KW Solar Inverter

The SmartOz 20KW solar system includes a powerful 20KW inverter, designed to deliver high conversion efficiency and dependable performance for small business use.
Engineered to work in Australian conditions, this inverter helps you get the most out of your solar investment.

1 x 20KW high-efficiency inverter

Reliable performance with a proven track record

Optional online monitoring to track system output in real time

Built tough for long-term use

Flexible Mounting Kit

Every SmartOz 20KW solar system comes with a durable and adaptable panel mounting kit that suits a wide range of Australian roof types.

Fits tin, tile, and clip-lock roofs

Fully anodised and resistant to rust and corrosion

Lightweight yet strong for long-lasting support

Quick and easy installation by trained professionals

Expert Solar Installation

At SmartOz, we believe that great solar starts with expert installation. Our systems are installed by qualified, experienced professionals who ensure everything is set up safely, efficiently, and to the highest Australian standards.

Licensed and experienced solar installers

Fast turnaround without compromising quality

Seamless process from start to finish

Note: Performance figures are estimates based on Clean Energy Council (CEC) guidelines. Actual results may vary depending on your property and installation conditions.

Understanding Tier 1 Solar Panel Systems

While solar energy is widely embraced as a smart way to cut down on electricity costs and reduce your carbon footprint, it’s important to know that not all solar systems are created equal. Some panels struggle under Australia’s intense heat, while others simply don’t perform to the standard you’d expect. Choosing low-quality panels can end up costing you in the long run—both in efficiency and savings. That’s why it’s essential to invest in premium-grade systems specifically engineered for Australian conditions. Solar panel manufacturers are classified into three tiers, with Tier 1 being the highest.

 

This designation is reserved for companies that have demonstrated long-term reliability, financial stability, and consistent product quality. Only a small fraction of global manufacturers earn Tier 1 status. At SmartOz, we exclusively offer Tier 1 solar panels—ensuring you receive durable, high-performance systems that offer excellent value and a strong return on your investment.

 

Our 10.3KW solar package is the perfect solution for growing households and small businesses across Australia. Built for performance, resilience, and daily energy needs, it’s designed to keep up with your lifestyle while delivering lasting environmental and financial benefits.

Reliable Solar Solutions, Backed by Local Expertise

SmartOz is proudly Australian owned and operated, standing among the nation’s most trusted names in solar energy. With a strong presence in Melbourne, Sydney, Brisbane, and Adelaide — and a wide-reaching network of certified installers — we deliver high-quality solar installations to homes and businesses across Australia.

 

Our 10.3KW solar system is built for long-term performance and peace of mind. It includes a 25-year performance guarantee, a 10-year manufacturer’s warranty, and a 5-year workmanship warranty covering all aspects of installation. When you choose SmartOz, you’re choosing durability, efficiency, and genuine Australian support.

Frequently Asked Questions

What is a 20KW solar system and who is it best suited for?

A 20KW solar system is a large-scale solar setup designed for commercial properties, schools, farms, or very large households in Australia. It provides significant energy production, helping reduce high power bills and reliance on the grid.

The cost of a 20KW solar system in Australia usually ranges from AUD 22,000 to AUD 30,000, depending on panel quality, inverter choice, and installation complexity. Choosing a trusted solar provider ensures maximum value and long-term savings.

On average, a 20KW solar system can produce around 80–100 kWh per day, depending on sunlight conditions, roof orientation, and location in Australia. This output is enough to offset electricity use for businesses or large-scale operations.

Yes. Businesses and property owners may qualify for Small-scale Technology Certificates (STCs) or other commercial solar incentives. These rebates can significantly reduce upfront costs, and your solar provider can guide you through the process.

Installation typically takes 2–5 days, depending on system design, roof size, and required electrical upgrades. Professional providers manage the entire process, including grid approval and permits.

Absolutely. Adding battery storage allows excess solar power to be stored for use at night or during outages. Many Australian businesses choose this option for greater energy independence.

Routine maintenance includes solar panel cleaning, inverter checks, and performance monitoring. A solar maintenance provider can schedule inspections to ensure peak efficiency and extend system lifespan.

Yes. For businesses with high daytime electricity consumption, a 20KW system can dramatically reduce operating costs. Over time, it provides a strong return on investment while also supporting sustainability goals.

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By submitting this form, you confirm that you have read and agree to our Terms & Conditions and Privacy Policy.