Solar PV system
01Your 4-digit Australian postcode
Solar panel array kW
Year the system is commissioned
Home battery (optional)
02
Add a home battery
Federal Cheaper Home Batteries Program — live since 1 July 2025
Number of battery units
Used to apply the correct battery STC factor
Usable: 9.0 kWh · Factor: 9.3 / kWh
Your results
Run the calculator to see your STC estimate
Fill in the form and we'll show solar and battery STCs side-by-side with a value table.
Note: Indicative only. Confirm your final rebate with your installer.