How much does solar power cost?
A quality 6.6 kW solar system in Australia typically costs $4,000–$7,000 installed after rebates, with 10 kW systems $7,500–$13,000 and a battery adding $8,000–$15,000.
Typical price band
$8,000typical
$3,500 low$28,000 high
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Real-world examples
6.6 kW system$3,500 – $7,000
10 kW premium system$7,500 – $13,000
Solar plus battery$15,000 – $28,000
What affects the price
— System size. More kilowatts means more panels and a bigger inverter — the core cost driver.
— Component quality. Budget, mid-range and premium panel/inverter tiers can swing a 6.6 kW quote by thousands.
— Roof type & storeys. Tile roofs, two-storey homes and complex multi-face layouts add installation time.
— Switchboard condition. Old switchboards often need an upgrade before solar can be connected, typically $800–$2,000.
— Battery storage. A household battery adds $8,000–$15,000 installed, offset in some states by rebates.
Tips before you post
— Use an installer accredited by Solar Accreditation Australia — it's required for the STC rebate and grid connection.
— Compare quotes on the specific panel and inverter models, not just the headline price per kilowatt.
— Check the inverter warranty (aim for 10 years) — inverters fail far more often than panels.
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Indicative range only, not a quote. Get quotes from local tradies for an exact price. Last updated 13 July 2026.
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