Depending on where you live, e.g. proximity to the equator, you will probably never recoup the initial investment or if you do the panels will probably be at th

Depending on where you live, e.g. proximity to the equator, you will probably never recoup the initial investment or if you do the panels will probably be at their end of life when you do. So you'll never really "make money". But you will insulate yourself from demand spikes and give you an emergency backup.