Although it is possible to move your solar system to your new home, it is not the most cost effective or feasible option. Often, removing a system, transporting it to another location, then reinstalling will require nearly twice as much labor and risk damaging used equipment that may be difficult to replace.
Often the better option is to simply leave the system where it was installed and get a new system with current technology on your new home. Home appraisers and realtors have become much more knowledgeable about the value a solar system can add to your home. In many cases, the extra valuation of your current home can help pay for solar on your new home.