Data as of Sep 21, 2026 · Based on 3,332,371 AI responses across 10,526 prompts · See how Parse measures this
OpenSolar provides a free, cloud-based software platform that enables solar professionals to design, quote, and manage solar projects, with tools for design, mounting, single-line diagrams, BOM, CRM, financing, e-signature, and permitting. It connects homeowners and businesses with qualified solar pros to receive tailored quotes and offers a marketplace and partner services for suppliers and installers. The company aims to accelerate global solar adoption, boasting 28,000+ active solar professionals across 185+ countries and a 1% commitment to electrifying underserved communities.
The market map · 5 of 19 labelled
Solar PV Design & Modeling Software →Where OpenSolar ranks in AI
OpenSolar is strongest on cost and weakest on accuracy
Worse than rivalsBetter than rivals
Often described as
free · comprehensive · good · robust · basic · moderate
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NREL System Advisor Model (SAM) climbed to #5
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Excerpts where OpenSolar appeared in the AI's answer

OpenSolar — Best free/low-cost option for growing or budget-conscious installers.

OpenSolar is worth serious consideration if you're a smaller installer.
Excerpts where OpenSolar appeared in the AI's answer

OpenSolar — strong 3D shading and production modeling using SAM; good starting point and relatively accessible.

OpenSolar — An exceptional option if you want robust 3D design, shading analysis, and customer proposals at no subscription cost for core features.
Excerpts where OpenSolar appeared in the AI's answer

OpenSolar : The top open-access/free commercial & residential proposal platform.

OpenSolar : Highly regarded for handling both residential and commercial tier workflows seamlessly with robust, transparent utility tariff engines.
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OpenSolar is more visible on Google AI Mode
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