Solar

Solar in Australia: Costs, Rebates & What's Worth It in 2026

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: 2026-09-20

A$5,000 – A$8,000
6.6kW Solar System Cost
Installed, after STC rebate
A$7,000 – A$12,000
10kW Solar System Cost
Installed, after STC rebate
A$1,600 – A$2,200
Federal STC Rebate (6.6kW)
Varies by location & STC price
15-20 kWh/day
Average Daily Household Usage
Typical Australian home

How much does solar cost in Australia in 2026?

A standard 6.6kW solar system, common for many Australian homes, typically costs between A$5,000 and A$8,000 fully installed after the federal Small-scale Technology Certificates (STC) rebate. Larger 10kW systems generally range from A$7,000 to A$12,000 installed, with premium brands like SunPower or REC pushing towards the higher end. The federal STC rebate itself can reduce the upfront cost of a 6.6kW system by approximately A$1,600 to A$2,200, depending on your location (STC zone) and the fluctuating STC market price, which is currently around A$38 per STC.

Is solar still worth it in Australia in 2026?

Yes, for most Australian households, solar remains a highly valuable investment in 2026, especially with rising electricity prices across states like NSW, VIC, and SA. A quality solar system typically pays for itself within 3 to 6 years, generating free power for decades beyond that. Annual savings on electricity bills for a typical 6.6kW system can range from A$1,200 to A$2,500, with South Australia often seeing the highest savings due to nationally high electricity rates. Integrating a solar battery, supported by a federal rebate of around A$252 per usable kWh, further enhances savings and energy independence by allowing self-consumption during peak evening hours.

What are the best solar panel and inverter brands in Australia for 2026?

For solar panels, premium brands highly regarded in Australia for 2026 include SunPower Maxeon, REC Alpha Pure, and Aiko Neostar, known for high efficiency and strong warranties. Mid-range and value-focused Tier 1 options popular among Australian households include Jinko Solar, Trina Solar (Vertex S+), Canadian Solar, and Q CELLS, offering a good balance of performance and cost. Regarding inverters, Fronius and SMA are considered premium, highly reliable European brands with excellent after-sales support. For budget-friendly yet reliable options, Sungrow and GoodWe are popular choices, while Enphase offers leading microinverter technology for shaded or complex roofs. SolarEdge is also a strong contender for high-efficiency systems with panel-level optimisation.

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