Ignoring the technicals of all this, for a structure of this size, it would probably be best not to have it out in the middle of the ocean somewhere away from p

Ignoring the technicals of all this, for a structure of this size, it would probably be best not to have it out in the middle of the ocean somewhere away from people, ships, etc. The problem then becomes the same problem we usually have, which is getting the water from the source to the people in a way that's economical. I also have to image this can be done with basic evaporation and condensation using the sun, without forcing it with solar panels and thermoelectric strips. Why not let the sun heat up the ocean and capture some area, then at night when it cools down, and condenses, it falls into a collector instead of falling as rain somewhere else. Of course, at scale, now we're removing potential rain from somewhere that used to get it... hurting one area to help another.