How Much Is A 6.6 KW Solar System In Australia

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How Much Is A 6.6 KW Solar System In Australia

How Much Is A 6.6 KW Solar System In Australia Cost

Evaluating the Affordability of a 6.6 kW System in Australia:

Many Australian homeowners commonly choose a 6.6 kW solar power system because it is a popular and affordable option. It has a larger capacity, making it suitable for adding battery storage or backup systems. A few years ago, smaller 3 kW and 5 kW systems were popular, but the cost of solar power has decreased, making the 6.6 kW system a great choice for those considering adding a battery.

For bigger families, a 6.6 kW solar system is a great choice. In Australia, there are many brands with good solar packages. When choosing, go for panels that are highly efficient and come with a 25-year warranty. Most households use about 20 kW/h of electricity daily, and a 6 kW solar system can generate between 17 to 27 kW/h. This means you could save more on your energy bills.

The size of the inverter is measured in kilowatts (kW). The inverter’s maximum output must be at least 75% of the maximum output of the solar panel array. So, choosing a 5 kW inverter is perfect because it allows for a 133% increase, matching well with a 6.6 kW solar power system. This article provides the cost of a 6.6kW solar system in the various states of Australia.

Read: Solar Panel Cost With Installation

How Much Is A 6.6 KW Solar System In Australia

Going solar is a smart way to cut down on your energy bills and live a more eco-friendly life. The efficiency of solar panels can be influenced by the brand and where you live. For example, Solarhart, a trusted Australian brand for over 65 years, provides a worry-free 25-year product warranty for their solar panels.

There’s also a German-designed brand that’s built to withstand the Australian climate, ensuring a low rate of panel degradation. This means you can enjoy solar energy for many years without issues.

It’s important to note that the cost of rooftop solar packages can vary based on factors like brand, component quality, location, and system configuration. Normally, a good 6.6 kW solar power system ranges in cost from $5,500 to $10,000, including installation.

How Much Is A 6.6 KW Solar System In Australian Major Cities

Check out the list below for the top solar packages in various Australian cities:

  • Adelaide – $6,782
  • Brisbane – $6,848
  • Melbourne – $6,849
  • Perth – $6,584
  • Sydney – $6,650

How Much Energy Does The 6.6 KW Solar System Produces

In simple terms, 1 kW of solar panels can produce about 4 kWh of electricity each day. So, a 6.6 kW solar system, made up of 17 to 24 solar panels, can generate around 26.4 kWh on a sunny day, providing you with plenty of solar power.

The number of panels depends on their efficiency, like 20x330W or 24x275W panels, which are both good choices. You can also find 370W and 450W panels in Australia, allowing you to use fewer panels on your roof. A 6.6 kW solar system usually covers most of your energy needs, although the exact production can vary based on your location.

The following indicates the average output of a 6.6 kW rooftop solar system:


  • Adelaide – 27.7kWh
  • Brisbane – 27.7kWh
  • Melbourne – 23.8kWh
  • Perth – 29.0kWh
  • Sydney – 25.7kWh

Also Read: How Much Does Solar Energy Cost For A Home

What Makes A 6.6 KW Solar System More Efficient

The 6 kW and 6.6 kW solar packages are popular choices from many manufacturers in Australia. While 5 kW used to be the top pick, a 6 or 6.6 kW system is a good size for most homes, especially for medium to large families. The real advantage of this rooftop solar package comes when you make the most of a larger system, such as adding a battery and inverters to store a significant amount of power, allowing you to stay off the grid.

  • To make sure your panels get the most sunlight, professional installers take into account factors like roof space and orientation. If your roof has shaded areas or an unusual pitch, the available space might be limited. However, installers can still optimize the panel orientation to generate about 80% of their rated power, even with less available roof space.

Choosing a 6.6 kW solar system in Australia is a smart and eco-friendly decision for homeowners aiming to save on energy bills and use renewable energy. This system, with a good mix of efficiency and affordability, is well-liked by medium to large families. With advancing technology and decreasing solar prices, using solar power is becoming easier. When thinking about a 6.6 kW solar system, things like the brand’s reputation, how well the panels work, and extras like battery storage are important for getting the most out of this eco-friendly energy solution. For more details, Click Here.

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