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Everything you require to know before you buy a 6.6 kW Solar System
A 6.6kW system with a 5kW inverter will typically generate enough solar to meet the electricity needs of the average Australian household. Production varies depending on where you live; a 6.6kW system in Melbourne produces 23.8kWh per day, whereas in Brisbane produces 27.7kWh per day.
The table below shows how much energy a 6.6kW solar panel system generates in major Australian cities:
| Adelaide | 27.7kWh |
| Brisbane | 27.7kWh |
| Melbourne | 23.8kWh |
| Perth | 29.0kWh |
| Sydney | 25.7kWh |
The average payback period for 6.6kW solar panels is estimated to be 2.5 to 5 years. This is a fairly broad range because many factors will influence how long it will take to pay off your panels and how much money you will save each month.
If you use a lot of energy, a 6.6kW with batteries might be a good option for you. A 6.6kW system with a battery storage capacity of 10kWh will cost between $13,000 and $17,000.
As a starting point, For a 6.6kW solar system with 18 panels (370w) and a panel size of approximately 1.8 metres by 1 metre, you will need at least 40 square metres of roof space. While 15 panels (440w) require 37 square metres of roof space.
Solar rebate is depends on size of your solar system and your property location. Let calculate solar rebate for 6.6kW solar system using following formula:
Total Solar Array Combined Wattage x 1.382 x the current STC multiplier of 10-years / 1000
The calculation would be: 6660 x 1.382 x 10 / 1000 = 92 no of STC
92 STCs are eligible for 6.6kW solar system. Now multiply the number of STCs by market value of each STCs. So, 92 STCs x $38 = $3496 Solar panel rebate you will have.
Have you been thinking about installing solar power for your home or business, but are intimidated by how complicated it can be? Our 6.66kW solar system is the perfect solution for you. This best-selling 6.66kW solar package includes everything you need to start saving money with solar for many years to come.
