Pricing
OpenSolar pricing
As opensolar.com lists them, read 2 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| OpenSolar Pro | Free of charge · Solar design, sales, and project management | Free |
| OpenSolar API Access | Per-project fee; pricing is geo-specific · Paid add-on; fee applies when a project is created | On request |
From opensolar.com, opensolar.com.