Your power bill, in credit.

Installers size a solar system to your power bill, not your roof. Type yours and see the system they'd quote, what it costs, and when it pays itself off. Honest NZ numbers, no sales call.

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NZ$ / month

We assume panels go on your sunniest roof face, because that's what installers do. Facing swings about ±15%, inside the range we show.

Here's what solar does to that bill.

Back on your power bill
— / month

Recommended system
— kW

Upfront cost
—

Installed, grid-tied, no battery.

Pays itself off in
— years

Then the saving is yours.

25-year net
—

After the install cost, panel fade included.

Where the power goes on a sunny day

you use it (worth 30c/kWh) sold to the grid (worth 12c/kWh)
Why these numbers, every assumption shown

Will it fit? Almost certainly.

traced: 0 m²

Zoom right in, then click each corner of a roof face. Click the first point again, or Close shape, to finish. Trace more faces to add them up. This never changes your estimate, it just checks the panels fit.

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