If you’re looking to sell used solar panels, there are a few avenues you can explore. You might consider local classifieds, online marketplaces like eBay or Craigslist, or even specialized renewable energy forums and Facebook groups. Some solar companies might also buy back used panels or offer trade-in programs.
For those in the Baltimore area, I recommend checking out https://renewable-energy-advisors.com/baltimore/. They provide a list of the best solar companies in Baltimore, and some of these companies might be interested in purchasing used panels or could offer advice on the best way to sell them locally.
Exploring these options should help you find a suitable buyer and get a fair price for your used panels. Good luck!