Never heard of anything like that, but most of my experience is from 2+ years ago. Is your install recent? Are you sure they were equivalent proposals? If you

Never heard of anything like that, but most of my experience is from 2+ years ago. Is your install recent? Are you sure they were equivalent proposals? If you add storage, that's no longer just solar, and their storage offerings are far more expensive than others. I couldn't find a local solar installer that wanted to use the type of cheap inverters that Tesla wanted to use. My neighbor has to have Tesla come out about once a year to fix issues.