Solar-Based Solar PV

There are lots of ideas floating around that are theoretically possible, but so wildly unfeasible that they may just as well have been impossible.  Putting large amounts of solar PV in space and beaming the energy down to Earth is a fabulous example.  As the costs of ground-mounted PV continues to fall and the various approaches to using or storing intermittent energy become more affordable as well, no one will be thinking adding more space junk.