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OpenSolar

Category: AI in Climate / Energy

A free end-to-end solar design and sales software platform for solar professionals. OpenSolar was founded in 2019. The company is led by Andrew Birch. Based in Sydney, Australia. Team size: 51-200. Total funding raised: US$45 million. Latest round: Series B Extension, $20.0M, 2025-10, led by Titanium Ventures. Key investors include Titanium Ventures, Google, 2150 Sustainability Fund, Telstra Ventures, Titan Grove.

Founded
2019
Headquarters
Sydney, Australia
Team size
51-200
Total funding
US$45 million

Value proposition

To accelerate the adoption of solar energy by providing a completely free, comprehensive software solution that streamlines the entire process from design and sales to installation and financing, thereby reducing soft costs for installers.

Products and solutions

AI-powered 3D solar design and shading analysis, Interactive customer proposals and sales toolkit, Integrated financing and payment processing (CashFlow), Equipment ordering and partner marketplace (OpenSolar Shop), CRM and project management functionalities

Unique value

OpenSolar's primary unique factor is its business model: the software is offered completely free of charge to solar installers. They monetize through partnerships with hardware manufacturers, financing companies, and other service providers who pay to be featured on the platform.

Target customer

Solar installer businesses, solar professionals, and contractors.

Industries served

Renewable Energy, Solar Energy

Technology advantage

The free software model creates a significant business advantage by fostering rapid and widespread adoption globally. Technologically, their advantage lies in providing a comprehensive, end-to-end platform that integrates everything from AI-based design and accurate shading analysis to sales, financing, and equipment procurement, which simplifies the workflow for solar professionals.

How they differentiate

OpenSolar's primary differentiation is its freemium business model, offering a comprehensive, end-to-end solar design and sales platform to installers for free. This strategy aims to accelerate solar adoption globally by removing software cost barriers. They focus on providing a full suite of tools, including design, proposal generation, and sales management, in a single platform.

Main competitors

Aurora Solar, PVcase, RatedPower

Key partnerships

Sunnova (AI design technology integration), EagleView (Aerial imagery and data integration), Segen (Equipment ordering system integration), IronRidge (Racking and mounting calculation), REC Group (Hardware partner), Energy Trust of Oregon (Approved remote shade analysis tool)

Notable customers

Specific customer names are not publicly disclosed, but the company serves a wide range of solar installation businesses globally.

Major milestones

Successfully launched and scaled a free, end-to-end solar design and sales platform., Secured a total of US$45 million in funding from prominent climate and tech investors., Expanded its user base to over 25,000 installers across 160+ countries., Launched new AI-powered features to enhance its platform's capabilities.

Growth metrics

As of late 2023, the platform is used by over 25,000 solar installation companies in more than 160 countries.

Market positioning

OpenSolar positions itself as a leading global provider of free solar software for installers. It targets a wide range of customers, from small residential installers to large-scale commercial solar providers, aiming to be the foundational operating system for solar businesses worldwide.

Geographic focus

OpenSolar has a global footprint, serving over 25,000 solar installers in more than 160 countries. While headquartered in Sydney, Australia, it has a strong presence in North America and Europe, indicating a broad and international market focus.

Patents and IP

There is no publicly available information regarding patents held by OpenSolar.

About Andrew Birch

Co-Founder of OpenSolar. Previously founded Sungevity, a major US residential solar company where he also served as CEO. He has a background in economics and business from Oxford University.

Official website: