
OpenSolar
OpenSolar provides a comprehensive, free software platform designed for solar professionals to streamline their entire workflow, from initial design and sales proposal…
Our verdict
Who it's for
Accelerating solar adoption globally with free software for design, sales, and project management.
Who should look elsewhere
API access and app connectors will incur charges starting April 2026.
Pros
- +Core software is free of charge for solar professionals.
- +Comprehensive end-to-end solution for the entire solar workflow.
- +Regular product updates introduce new features and improvements.
- +Supports integration with third-party tools and financial services.
- +Aims to increase profitability and efficiency for solar businesses.
Cons
- −API access and app connectors will incur charges starting April 2026.
- −Some advanced features or integrations may be region-specific (e.g., UK Finance Marketplace).
Key features
- ✓Solar system design studio
- ✓AI-powered lead generation technology
- ✓Auto System Design
- ✓Sales proposal generation with whole-home electrification options
- ✓Integrated finance marketplace (e.g., UK Finance Marketplace, Sungage's Sunrise™ Escalator loan)
- ✓Project Management CRM with task management tools
- ✓Unified payment request flow and bank transfer support
- ✓Hardware shop and purchasing integration
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | — | month | AI-powered software to design, sell and manage projects; World’s fastest, most accurate solar design tool with Ada AI; Dynamic, customizable proposals |