Roof to report in under a minute.

Enter an Australian street address. Get the roof layout, shade, production, CER-accurate STCs and payback, with the working shown, as a landscape PDF ready for costing and the kitchen table.

Roof & shade

Google Solar layout, your edits

Roof planes, ranked panel positions and annual flux from the Google Solar API. Click panels off, resize the array, override pitch.

Australian rules

STCs from the CER table

All 137 CER postcode ranges, the current deeming period and the 133% DC/AC check, not capital-city approximations.

Working shown

Every number is traceable

Loss stack, clipping, self-consumption, pricing and payback are laid out line by line in the app and in the PDF.