Technical FAQs 4

How much does a 10kW Solar System cost in Australia?

According to Solar Choice’s own data, the average 10kW solar system price in Australia as of July 2025 is about $0.91 per watt – or about $9,130 after the federal STC rebate is deducted. The below table shows the breakdown of the average costs by each major state capital in Australia, which we update every month:

How much does a solar system cost in Australia?

Solar Choice publishes a monthly Solar PV Price Index that tracks average pricing trends in every capital city in Australia. According to Solar Choice’s own data, the average 10kW solar system price in Australia as of July 2025 is about $0.91 per watt – or about $9,130 after the federal STC rebate is deducted.

How much does a 10kW Solar System cost?

If you don’t already have rooftop solar, you’ll need to budget $8,500 – $13,000 for a quality 10kW PV array (after applying today’s federal STC “ solar rebate ”). Add the battery, and you’re looking at a total 10kW solar system with battery price of roughly $20,000 to $27,000 before the battery rebate.

How much does a 10kW Solar System cost in 2025?

You should get about $3,500 in STCs (AKA the solar rebate). So expect to pay about $8,500 – $13,000 out of pocket costs for a good quality 10kW solar system in 2025, professionally installed by a reputable installer. That’s quite a price range – the reason is the cost of a 10kW solar system will depend on the type of components used.

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