The question was if it's technically possible - and it is. Projects like https://en.wikipedia.org/wiki/Desertec https://en.wikipedia.org/wiki/Desertec were bas

The question was if it's technically possible - and it is. Projects like https://en.wikipedia.org/wiki/Desertec https://en.wikipedia.org/wiki/Desertec were based on the cost estimates at the time. Now solar panels are much cheaper and it's a good thing.