OpenSolar makes money by taking a cut of equipment sales (if you buy through their marketplace) or via premium permit packs. For a solo designer or small business, the free tier is incredibly generous. Many former Helioscope users have migrated to OpenSolar because of its competitive free offering.
★★★☆☆ (3.5/5 for free version) helioscope software free
: Students and instructors can often get extended access. If you have a school email, you can sign up for a free trial OpenSolar makes money by taking a cut of
If you work for a solar equipment distributor (e.g., panel or inverter manufacturer), you can request a from Helioscope’s partner program. Distributors often give these to top installers as a sales incentive. panel or inverter manufacturer)