Solar & Battery FAQs

The rebate is applied as an upfront discount on your installed price via Small-scale Technology Certificates (STCs), for eligible batteries installed by a CEC-accredited retailer with new or existing solar. Mercy Rays handles the paperwork as part of your install.

It depends on your evening and overnight electricity usage. Most Melbourne households land somewhere between 10kWh and 28.6kWh. Our free assessment sizes this from your actual bill, not a generic estimate.

No — batteries can be installed alongside new solar panels or retrofitted to an existing system. We'll confirm the right configuration for your home.

Most residential battery installations are completed in a single day, though this depends on the brand, configuration and any switchboard upgrades required.

Yes, for a standard install, for a limited time. Pricing is subject to change without notice, and extras may apply for non-standard sites (e.g. switchboard upgrades, difficult access). See the full offer page for details.

A 7.125kW Risen solar panel array, a 6kW hybrid inverter, and a 28.6kWh Mango Power battery, fully installed, incl. GST — after VIC, federal and battery rebates, subject to eligibility criteria. Site specific extras apply. See the bundle offer page for full details.