Australia has the highest rooftop solar uptake in the world. Whether you're buying your first system or upgrading, here's the current state of play.
Stats updated: 2026-04-19
Yes, solar remains a highly worthwhile investment for most Australian households in 2026. With volatile electricity prices averaging between $0.28–$0.42/kWh across states like NSW and Victoria, generating your own power offers significant savings. Typical payback periods for a quality 6.6kW system range from 3 to 7 years, with systems like those in Melbourne often paying for themselves in approximately 5 years, delivering free electricity for 20+ years thereafter.
As of April 2026, the average installed cost for a 6.6kW residential solar system in Australia is typically between AUD $5,000 and $8,000 after the federal Small-scale Technology Certificate (STC) rebate. For a larger 10kW system, expect to pay around AUD $8,000 to $12,000 post-rebate. The federal STC scheme provides an upfront discount, with STC values currently ranging from $37-$40 per certificate. Additionally, states like Victoria offer further incentives, such as the Solar Panel (PV) Rebate of up to $1,400 for eligible homeowners, along with interest-free loans.
For solar panels, top-tier brands known for efficiency and durability in Australia include SunPower (Maxeon 6 series), REC (Alpha Pure Series), and AIKO Solar, while Jinko Solar (Tiger Neo series) and Trina Solar (Vertex S+) offer excellent value and reliability. In terms of inverters, Fronius is widely regarded as a premium, highly reliable option, while Sungrow offers a strong balance of performance and affordability. Enphase microinverters and SolarEdge optimisers are also excellent choices for complex or shaded roof layouts.
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