Solar ROI Calculator for Australia
Is solar worth it for your Australia home?
Free solar panel ROI calculator using AEMO electricity rates, STC rebates, and state-based install costs. No sign-up required.
Calculate your solar ROI5
States covered
4-5 years
Avg payback
AU$1.05-1.20/W
Solar cost
How it works
1
Select your state
Choose your Australia state or region to load local electricity rates and solar data.
2
Enter your monthly bill
Tell us your average monthly electric bill to estimate your system size.
3
Get your estimate
See your solar payback period, net savings, and return on investment instantly.
Ready to check your solar savings?
Our calculator uses real Australia energy data — AEMO electricity rates and BOM solar radiation data. Get an estimate in under a minute.
Start your Australia solar estimate