Battery Payback

Solar panels, Melbourne

Updated 6 November 2026

If you plan to add a battery or an electric car, size the solar for that now. Adding panels later costs more than doing it once.

Installed by a licensed, registered electrical contractor. Certificate of Electrical Safety on every job.

Get a quote Check the payback first

Questions people ask

How big a solar system do I need with a battery?

Enough to cover your daytime use and fill the battery on an average day. For a home using 20 kWh a day that is usually 6.6–10 kW.