Create comprehensive and reliable solar proposals and designs—fast. Solo’s solar software delivers 99.9% accurate designs, seamless financing options, and integration with more than 70 tools.


With 99.9% verified accuracy, Third Party Ownership (TPO) lenders, independent auditors, and industry leaders trust Solo to help them spend less time on revisions and move homeowners quickly and smoothly to installation.
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Built for precision and speed.

Our software ensures your solar designs meet local codes and financing requirements. Get system proposals approved faster and avoid costly redesigns.

Sales groups trust Solo because we continually prove how easy it is to effectively scale their operations.
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There’s a better way to improve operational performance, increase sales, and reduce attrition. Solo packages up the solar selling ecosystem into effective and efficient workflows that speed up performance while reducing manual errors.

Solo is a complete solar operations platform. We build technical solutions to reduce your operational load in essential business areas.


Thousands of companies—from startups to the solar big dogs—use Solo to send proposals, manage documents, close financing, download certified shade reports, and manage their vital business operations.
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We can seamlessly integrate with your systems, granting unfettered access to vital data streams, allowing you to optimize your operations and unlock efficiencies for your business.

We are available Monday through Friday, 8 AM to 8 PM, Saturday 8 AM – 4 PM (Professional Support Only), and closed on Sunday.