Dec 18, 2025 · OpenSolar connects homeowners, solar professionals, and partners with free software to design, sell, and manage fast, accurate solar projects.

Design, sell, and manage solar projects faster with OpenSolar — the free AI-powered solar software trusted by 28,000+ professionals worldwide.

Create fast, accurate, and build-ready 3D solar designs in seconds with OpenSolar's AI-powered Auto Design. Get bankable shading analysis and 3rd-party validated accuracy.

OpenSolar’s worldwide community of experienced, qualified solar installers can help you understand your solar electrification options. See solar electrification on your home right here, and we’ll match …

So, they created OpenSolar—the world’s first free, end-to-end platform designed to help solar professionals grow their businesses and streamline their operations.

Create customizable solar proposals with OpenSolar. Offer system options, real-time notifications, and integrated e-signatures.

With over 400 years of combined solar experience, the OpenSolar crew lives and breathes solar, and your success. From in-depth training webinars to onboarding help, from fixing specific issues on your …

At OpenSolar, we’re committed to a world powered by sunshine. To accelerate solar adoption and fight climate change, we’ve made our software free for solar professionals, removing barriers to help you …

Summary:Welcome to OpenSolar! This article will guide you through designing your first project, from project creation to proposal...

In more than 160 countries, the OpenSolar community of solar professionals is hard at work electrifying homes and businesses.