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🛰️ Solar Designer

Type the address and the roof appears. Panels are laid on it, sized to the bill they gave you, and every one of them can be tapped off or on. The system, the production, the price and the savings all move together, out of your equipment list and your prices.

412 Oak St18 panels sized to the bill
System7.74 kW
Annual production11,940 kWh
Offset92%
Cheaper per month fromyr 6
What you get

Sized to the bill, drawn on the roof

It arrives already sized

Panels come back best-producing first, and it selects exactly as many as cover the year they actually used. You start from a design that answers the bill, then adjust — rather than from an empty roof.

Google's model, your panel

Per-panel production is rescaled from the wattage Google modelled to the wattage of the panel you actually sell. It does not hand you somebody else's numbers with your name on them.

Shading is counted once

When the aerial layout is modelling per-panel shade, the manual shade-loss field is switched off rather than quietly added on top. Double-counting a loss is how a design under-promises and loses the job.

Your equipment, your prices

A real library of panels, inverters, batteries and EV chargers — REC, Q CELLS, Enphase, SolarEdge, Powerwall, FranklinWH, sonnen and more — each with its own specification and a price you set.

No tax credit is assumed

The federal residential credit expired at the end of 2025 and this does not apply one. The number you show is the number they pay.

Nudge, rotate and place by hand

Satellite imagery can be an older capture than the roof, and new builds sometimes show as a dirt lot. Shift the array in twenty-centimetre steps, rotate it, rescale it, or tap bare roof to drop a panel where you know one goes.

Part of the Solar & Battery Sales product — on Growth and Enterprise, not Starter.

See Solar Designer in your workflow

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