The main laboratory for the Solar Power Labs is at the MacroTechnology Works in Arizona State Univerisity's Research Park near the intersection of Elliot and Loop 101.
The address is:
Solar Power Laboratory
Arizona State University Research Park
7700 South River Parkway
Tempe, Arizona 85284-1808
Entrance to ASU Research park from Eliot Rd
Entrance to MacroTechnology Works building.