The Guardian reports that a proposed solar project that would take up the space of a "small country" in the Sahara could provide all of Europe's power:
"The sun is very strong there and it's very reliable. There is starting to be a growing number of cost estimates of both wind and concentrated solar power for North Africa....that start to compare favourably with alternative technologies. The cost of moving [electricity] long distances has really come down."
He said only a fraction of the Sahara, probably the size of a small country, would need to be covered to produce enough energy to supply the whole of Europe.
The project would require a £50 billion European investment, according to one expert, and would make people realize that Europe and Africa were serious about solar.
Sure, but here's one for you:
Elaborate in the comments, folks! Show your work!