The world's fastest, most accurate solar design tool

The simplest, fastest, most accurate 3D design tool available, for free - anyone on your team can create trusted, bankable proposals in minutes

3D showing OpenSolar 2.0 platform's shading analysis tool

Sell more often with dynamic proposals

Completely customizable, interactive proposals with multiple system options and fully integrated financing.  You'll even get notified real-time when your customers read them.

3D mockup showing dynamic proposal solar savings

Close your sale faster with integrated system financing

An ever-growing list of integrated solar finance providers means your customer can get approved for financing without ever leaving your proposal.

3D mockup showing pre-qualified financing availability

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Your dedicated support team is available to help you set up and use all of these features for your business, 24x7, free of charge.

More world-class features

Premium Imagery

Present your customers with compelling solar proposals with the option to layer in high-resolution aerial imagery and 3D data powered by Nearmap data on a project-by-project basis.

Built-in CRM

Great designs and proposals work better when there's a fully featured lead capture and customer relationship management (CRM) system to manage your customers.

Roles & Permissions

Manage your projects and workflows easily with custom roles, teams, and collaboration tools

E-Signature & Payments

Time kills deals, which is why with OpenSolar you get a fully integrated e-signature and online payment processing system.  Straight from the proposal, your customers can sign your contracts and pay online.

Automated Bill of Materials

An industry exclusive, our partnership with IronRidge unlocks auto-generated BOMs with exact racking component and order details you need for your projects.

On-Demand Permitting

Shop and purchase made-to-order solar permitting and engineering packages right from within OpenSolar at the click of a button.

Multi-Device Support

Grow your business with one platform - on any device, from anywhere. Tablet or smartphone, iOS or Android, PC or Mac, we've got you covered.

Open API

Our application programming interface (API) enables you to plug OpenSolar into your CRM and other systems that you've chosen for your business. 

The Most Feature Rich Solar Software Available

See how OpenSolar compares to other platforms from 3D Design capabilities to API functionality!

*Latest Update on January 2022

"If our software can take all the friction out of the design, sales and management process for solar installers, they win, we win...the planet wins "

Andrew Birch, Co-Founder Open Solar

Why OpenSolar's Free

Hear from Joe Abel, our Head of Product on why and how we have managed to offer you world-class software, completely free of charge.