I read an article in the local paper which is talking about using concentrated s
ID: 1384584 • Letter: I
Question
I read an article in the local paper which is talking about using concentrated solar power (CSP) from the Sahara to power Europe. It said that Desertec would need 20 or more efficient, direct current cables each costing $1 billlion to transmit electricity north beneath the Mediterranean.
I wonder if it would be possible to convert the energy into a laser beam which could then be bounced off a satellite back to Europe, thereby not requiring such long cables?
I would be interested to see some discussion.
Explanation / Answer
It is an interesting thought. Yes, and in principle you can. People have looked at it for a number of applications. One is, can you use it to power that satellite? Satellite power is a tough challenge, and yes, in principle, it can be made to work, but there are issues, obviously. You'd have to decide how you're going to keep people you wanted out of the way, out of the way of the beam. It