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

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

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.

To accelerate solar adoption and fight climate change, we’ve made our software free for solar professionals, removing barriers to help you deliver smart, efficient solutions.

Jul 22, 2025 · OpenSolar combines industry-leading solar design accuracy with interactive proposals, financing options, and integrated hardware solutions, all in one seamless platform. Instead of …

Apr 22, 2020 · OpenSolar combines industry-leading solar design accuracy with interactive proposals, financing options, and integrated hardware solutions, all in one seamless platform. Instead of …

Jul 10, 2025 · Welcome to OpenSolar, the world’s first free end-to-end solar design and management software. This article will help you get oriented with the app's layout, guide you through your first …

May 21, 2019 · OpenSolar combines industry-leading solar design accuracy with interactive proposals, financing options, and integrated hardware solutions, all in one seamless platform.

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.