OpenSolar Reviews, Pricing, Features & Alternatives in 2026
OpenSolar is a comprehensive solar design and sales software providing installers with high-definition 3D modeling, accurate shading analysis, and integrated financing tools to streamline the entire project lifecycle.
OpenSolar provides you with a complete end-to-end toolkit to design, sell, and manage solar projects from a single interface. You can create high-definition 3D site models using advanced imagery and conduct precise shading analysis to ensure system accuracy. The platform allows you to generate professional, interactive proposals that include multiple system options and integrated financing, helping you close deals faster while providing a modern experience for your customers.
Beyond sales, you can manage your entire workflow from lead capture to installation using the built-in CRM and project management features. Because the software is supported by hardware and finance partners, you get access to a sophisticated suite of tools without paying monthly subscription fees. It is an ideal solution for solar installation businesses of all sizes looking to scale their operations and reduce overhead costs.
Screenshots & Interface
Key Features
Stop juggling multiple subscriptions for your solar business. OpenSolar gives you everything from world-class 3D design to integrated financing in one place so you can focus on growing your installation volume.
3D Design & Modeling
Create accurate 3D solar designs with high-resolution imagery and automated shading calculations to ensure peak system performance.
Interactive Proposals
Send digital, mobile-ready proposals that allow your customers to select options and sign contracts online in real-time.
Integrated Financing
Access various financing products directly within your proposals so your customers can get instant credit approvals.
Built-in CRM
Track your leads and manage customer relationships throughout the entire sales funnel without needing external database tools.
OpenApi & Webhooks
Connect your existing business tools and automate data flow between OpenSolar and your other critical software systems.
Mobile App
Manage your projects and update site details from the field using native apps for your smartphone or tablet.
Integrations
Zapier
Nearmap
IronRidge
Enphase
SolarEdge
Sunlight Financial
GoodLeap
Mosaic
Salesforce
HubSpot
Pricing Plans
OpenSolar operates on a unique model where the core software is free for you to use. Instead of charging seat licenses, the platform is supported by hardware manufacturers and finance providers. You get unlimited users and projects at no monthly cost, making it highly accessible for growing solar teams.
Based on feedback from solar professionals globally, here is what you can expect when implementing OpenSolar into your daily workflow:
Pros
Completely free to use with unlimited user seats
Highly accurate 3D modeling and shading analysis
Professional interactive proposals impress potential customers
Frequent software updates and new feature releases
Excellent mobile functionality for field sales teams
Cons
Initial setup and configuration takes significant time
Steep learning curve for advanced design features
Occasional slow loading times with high-res imagery
Who Should Use OpenSolar?
Perfect for solar installation companies and sales organizations of all sizes looking for a professional design and proposal tool without monthly overhead.
Best for Company Sizes
freelancer
small-business
mid-market
enterprise
Popular Industries
Renewable Energy
Construction
Our Verdict
OpenSolar is a top-tier choice if you want to eliminate software overhead while maintaining professional-grade design and sales capabilities. The fact that it offers unlimited seats for free makes it a no-brainer for growing teams that find per-user pricing models restrictive.
While the interface requires some time to master, the depth of the 3D modeling and the quality of the interactive proposals are comparable to expensive paid alternatives. Highly recommended for solar installers who want a modern, integrated sales process without the burden of monthly subscription fees.
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