OpenSolar connects homeowners, solar professionals, and partners with free software to design, sell, and manage fast, accurate solar projects.
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. About> Why Free? A medium-sized installer sending 100 proposals/month can save an estimated average of $60,000 a year by switching to OpenSolar. Is OpenSolar really free?!
Forget waiting for the next trade show. With Expo, OpenSolar brings the solar industry to you — an always-open virtual conference that helps you find everything you need to design and sell solar. Subscribe for updates on new features, insights, early access opportunities, and events. Why Free? Why OpenSolar? © 2025 OpenSolar.
By using OpenSolar, installers can avoid expensive software costs and instead invest money into their businesses, confident they are using the very best design and sales tools available in the market, all for free. OpenSolar is based in Sydney, Australia, with remote offices in the U.S. For more information, visit opensolar.com.
Our BESS energy storage systems and photovoltaic foldable container solutions are engineered for reliability, safety, and efficient deployment. All systems include comprehensive monitoring and control systems with remote management capabilities.
Design, sell, and manage solar projects faster with OpenSolar — the free AI-powered solar software trusted by 28,000+ professionals worldwide.
Why is OpenSolar Free? 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 …
NASA’s Solar System Interactive (also known as the Orrery) is a live look at the solar system, its planets, moons, comets, and …
The cosmogonical concept of the “Cosmogony of Open Solar System (COSS)” is discussed. Unlike the Kant–Laplace cosmogony, this concept takes into account the influence …
Explore the Open Solar System Foundation! Advancing Planetary Data Access through AI and Collaboration.
NASA’s Solar System Interactive (also known as the Orrery) is a live look at the solar system, its planets, moons, comets, and asteroids, as well as the real-time locations of …
OpenSolar connects homeowners, solar professionals, and partners with free software to design, sell, and manage fast, accurate solar projects.
An interactive solar system simulation for educational purposes. Explore planets, moons, and their orbits with visual and …
As the solar industry scales rapidly, many professionals are still hindered by outdated tools, disconnected systems, and manual …
Why is OpenSolar Free? At OpenSolar, we’re committed to a world powered by sunshine. To accelerate solar adoption and fight climate change, we’ve …
An interactive solar system simulation for educational purposes. Explore planets, moons, and their orbits with visual and auditory feedback.
Design, sell, and manage solar projects faster with OpenSolar — the free AI-powered solar software trusted by 28,000+ professionals worldwide.
As the solar industry scales rapidly, many professionals are still hindered by outdated tools, disconnected systems, and manual processes that slow down growth. OS 3.0 …
Latest developments in BESS technology, photovoltaic foldable container advancements, solar power station products, and industry insights from our team of renewable energy experts.
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Contact our technical sales team for BESS energy storage systems and photovoltaic solutions. We provide customized quotations based on your specific project requirements and energy needs.
LYON BESS Ltd. 456 Renewable Energy Park, Industrial District, Shenzhen 518000 China
