Solar design and proposal software

Sell more with dynamic proposals designed to help you close more deals in home and over the phone. Customize your presentation with your company’s logo, generate accurate system designs, and offer effortless financing options to close sales faster.

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Proposal Features

Generate custom proposal in minutes

Quickly create attractive and accurate proposals from anywhere without the hassle of using separate system design and sales tools.

Quick and easy solar system design

Easily generate rooftop layouts with hardware options to calculate solar output.

Dynamic proposals with live quote updates

Enhance your pitch with dynamic charts and visual aids while making real-time updates that help eliminate change orders and redesigns.

Custom branded proposals

Automatically make proposals with your company's logo for a professional look and feel.

Built-In financing

Provide rates and terms from lenders through integrated financing partners to help you close more sales.

Sales-ready presentations

Confidently pitch professional presentations that showcase information in a highly visual and user-friendly format.

Generate more proposals in less time

Optimize your solar sales process by generating fast and accurate proposals designed to help you sell more. Increase your productivity by leveraging customizable templates with instant editing capabilities to streamline your proposal design process and help reduce costs. Make changes on the fly, including edits to system design and financing so you can show your customers updates in real time.

Create proposals that sell

Leverage our best-in-class proposal design that highlights customer savings over time and clearly communicates financing options in an easy-to-understand way. Our presentation template is specifically designed to reduce friction with prospects and accelerate sales.

Become a Colossus

Our interactive proposal tool is the latest addition to Colossus’s suite of products designed to help solar companies scale. We offer the solar industry best-in-class solutions that are enormous in scale, importance, and impact. As a VC-backed clean-tech company, we've helped top solar companies across the nation reach more customers in a fast-growing market.

Our products and services are trusted by the top names in the industry, including:

Ready to grow your solar business?