Start with your power bill. Compare four GoodWe battery sizes and see how more of your solar could work for you.
Add a PDF or a clear photo of the charges page. We’ll try to read the numbers, then you can check them.
Your bill is read on your device. The original file stays in your browser; only the figures you confirm are sent with your enquiry.
Use a bill with solar exports and grid usage. Clear, complete charges pages give the best results. You can always enter any missing values yourself.
Enter the figures from your bill. Use total kWh for this billing period, and tariffs including GST where applicable.
Leave your details to see the comparison. Our local team can then discuss your home and help confirm a suitable system.
Estimated annual bill savings from storing spare solar and using it later. All amounts are AUD.
A larger battery may show the same saving when spare solar or later electricity use is the limit. Storage capacity alone does not determine savings.
Your enquiry is in. The EBD team can assess your inverter, interval data, roof generation and installation needs before recommending a system.
Call EBD · 0447 515 237 ↗We compare 2, 3, 4 and 5 GoodWe GW9.0-BAT-D-G20 modules: 18 / 27 / 36 / 45 kWh nominal and 17.4 / 26.1 / 34.8 / 43.5 kWh usable before your selected reserve.
Based on GoodWe’s Australian specifications. These are GW9.0 configurations; pricing for other module sizes on our package pages does not apply.
Daily battery output is the lesser of your shiftable grid imports and the available solar charge after losses. Charging is limited by usable capacity after reserve. Savings subtract the feed-in credit you give up.
We use your usage-weighted average import tariff. Check TOU and demand plans with EBD: interval data is needed for precise sizing. Negative value solar shifting is assumed to be avoided.
Your bill is averaged per day and repeated over 365 days. Seasons, weather, future tariffs, degradation, inverter power limits and installation conditions can change the result.
Supply charges stay unchanged. No battery price, finance, payback, rebates, demand-charge reduction, VPP income or blackout value is included. This is not a quote.