Australia: is home solar worth it?
A typical 6.6kW residential system — compiled August 2026.
Typical 6.6kW system, installed cost
A$5,750
Payback estimate
~19 years
Estimated simple payback: A$5,750 system cost ÷ ~A$300/year export income at 5,000 kWh exported/year via Feed-in Tariff (A$0.06/kWh)
Federal STC scheme discount (~A$2,300-3,000) already reflected in the cost above. Source: STC-discounted installer quotes 2026; state FiT ranges (NSW/SA ~5-7c)
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System cost, export rate and payback vary by installer, roof orientation, and your own usage pattern — this is a typical-scenario estimate, not a quote. This is not financial advice.