Is it a concept or is it an actual project(are the still talking or actually building). Because I've heard ideas like this before( https://en.wikipedia.org/wiki/Desertec ) which abandoned quickly. IMO Decentralization is the answer not MEGAProjects.
Some info: http://www.cspworld.org/cspworldmap
"When they are finished, the four plants at Ouarzazate will occupy a space as big as Morocco’s capital city, Rabat, and generate 580MW of electricity, enough to power a million homes. Noor 1 itself has a generating capacity of 160MW."