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Free solar planning tools

Your roof.
Your solar plan.

Place your panels. Explore the numbers. Take a clear plan to an installer.

Plan my roof See an example proposal

Free to start. No account needed.

Find panel angleEstimate productionPlay Solar Day
Illustration of a home with rooftop solar panels and a wall-mounted battery

Planning estimates need an installer’s site check and quotation. Production estimates cover supported cities; suppliers have specific service areas.

Three steps to a clearer plan.

  1. 01

    Locate and plan your roof

    Find your property and draw where the panels could go.

  2. 02

    Check your estimate

    Add your electricity use. Compare equipment and estimated production.

  3. 03

    Discuss the proposal

    Share your PDF with an installer for a site check and quotation.

From your roof to a real conversation

A proposal you can discuss.

Your layout, equipment and estimated costs in one shareable PDF. Give an installer a clear starting point.

  • Your system: panels, inverter and battery.
  • Your estimate: costs, benefits and assumptions.
  • Your next step: a site check and written quote.
Open example PDF (new tab)

Real SizeSolar output with fictional inputs and USD prices. An example of the format, not a quote or promised savings.

First page of the actual fictional SizeSolar proposal, including estimated investment, equipment and roof layout

For solar suppliers and installers

Help turn a plan into an installation.

List your service areas, products and quote options. Review how the supplier workflow works before deciding whether it fits your business.

For suppliers and installers Find suppliers map

Listings and enquiries depend on your service area and customer demand.