20kW Home Solar System
Now there is a truly cost effective way to slash your power bills and it’s free.
A 20kW solar system is a fantastic option for larger homes, commercial properties, or small businesses that use a lot of energy. It’s powerful enough to significantly reduce—or even eliminate—your electricity bills, offering big savings over time.
By taking advantage of Australia’s abundant sunshine, a 20kW system helps you lower your carbon footprint while keeping your energy supply stable and reliable.
20kW Solar System Price
How much will a 20kW solar system cost?
The cost of a 20kW solar system can vary based on factors like where you live, the structure of your roof, and how much energy you typically use.
In general, a good quality 20kW system will cost between $14,000 and $22,000 after applying government rebates and incentives.
This price includes premium solar panels, inverters, and professional installation.
What's the 20kW System Cost?
A good quality 20kW solar system will usually cost in the range of $14,000 to $22,000.
While a 20kW system may seem like a big upfront expense, the energy savings and rebates will usually help it pay for itself within 3 to 5 years.
By investing in high-quality components, you get better efficiency, reliability, and fewer maintenance issues in the long run.
Going for cheaper options might save you money at first, but it could cost you more down the road with repairs and lower energy production.
Do I Need Battery Backup?
Adding a battery backup to your 20kW system can be a game-changer. It allows you to store any extra energy your panels produce during the day so you can use it at night or when the grid goes down.
If you have a larger property or business with high energy usage, a battery system can really help maximize your return on investment by making you less dependent on the grid, especially during peak times.
20kW Solar System with Battery Backup
A standard solar system can only generate power during daylight hours.
A standard solar system can only generate power during daylight hours. Adding battery backup means you can store power for night-time use.
This allows you to use your stored electricity instead of paying peak rates.
Battery backup also keeps you powered up if you experience frequent power outages.
Battery Backup Products
For the best performance, we suggest Tesla Powerwall or Sungrow batteries.
These are great for their large storage capacity, fast recharge times, and high efficiency even in extreme weather conditions—perfect for Australian homes and businesses.
Plus, they work great even in extreme temperatures, making them perfect for Australian homes and businesses.
Lithium ion batteries offer many benefits over other battery types including:
- Better safety
- Faster recharge
- Greater storage capacity
- Better performance at temperature extremes
What's the Battery Backup Cost?
While the upfront investment might seem steep, over time it pays for itself by allowing you to store energy and further cut your power bills, all while giving you peace of mind during power outages.
20kW Solar System - How Many Panels?
Solar panels have dropped in price dramatically over the last few years.
The number and quality of solar panels you install can make an enormous difference to the cost effectiveness and durability of your solar system. You want to choose solar panels that generate power efficiently even on cloudy days.
Also look out for panels with 10 or 25-year warranties; this is your guarantee of real durability.
Solar Panel Products
For a 20kW system, we recommend using high-efficiency panels from trusted brands like Trina and Aiko.
These panels are known for their durability and great performance, and they come with long warranties to give you peace of mind.
How Many Panels Will I Need?
For a 20kW system, you’ll need:
- 46 x 440W Trina panels or
- 46 x 455W Aiko panels
Our team will assess your property to make sure the system is designed for maximum energy production.
Solar Panel Products
Canadian Solar 310
With Canadian Solar’s proprietary poly wafer and cell technologies we have developed an extraordinary module. HiKu is the first bifacial poly module exceeding 430 W and thus reaches one of the highest poly module power output in the solar industry.
LG NeON 335W
LG’s Best Selling Module
The LG NeON® 2 is LG’s best selling solar module. It received the acclaimed 2015 Intersolar award for featuring LG’s Cello Technology. It’s one of the most powerful and versatile modules on the market.
Trina 315 Panels
Trina panels are backed by an industry-leading 25-year Limited Manufacturer’s Warranty and a strong track record of reliability and performance in the field. As a vertically integrated company, Trina Solar oversees the quality of its products across the supply chain, and all Trina panels undergo in-house testing and independent, third-party certification.
20kW Solar System - Output Per Day
On average, a 20kW solar system can generate around 80 to 90 kWh of electricity per day. The actual output depends on factors like the direction your panels face, any shading, and how much sunlight your location gets.
This is plenty of energy for larger homes or small businesses, giving you significant savings on your electricity costs.
A range of factors may influence the total power production from a system including:
- Number of peak sunlight hours
- Shade (even small amounts)
- Temperature extremes
- Panel orientation
Solar Panel Installation
Solar panels are usually installed on the roof, and most installations take one to two days.
At AHE Group, we provide professional and efficient solar panel installation services. Installing a 20kW system usually takes 1 to 2 days, and our team handles everything from start to finish.
We’ll ensure that your panels are installed in the best possible spot for maximum energy production, while considering the specific structure and design of your roof.
20kw Solar Systems in Sydney
At AHE, we pride ourselves on those good old-fashioned values of our family owned business.
With more than 34 years of experience, AHE Group is a trusted name in solar power installations across Sydney. We’re a family-owned business committed to delivering top-quality solar solutions, backed by friendly customer service and expert advice.
Whether you’re a homeowner or a business owner, we’ll work with you to design and install the perfect solar system for your needs and budget. Investing in a 20kW solar system is a smart way to drastically cut your power bills while doing your part for the environment.
Get in touch with AHE Group today for a free consultation and let us help you find the best solar solution for your property.
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