the surface area of the balloons can also accommodate solar. (with lighter material)
however, weight/material of these will be different from
traditional turbines/solar panel material (like the paint and solar wiring)
if there is a higher payoff,
that is in generation of energy vs costs involved.
then that could be better than giant singular turbines....
just a flair of thought. maybe not so serious.....
yes mr Musk, I wish i was living in an apartment.........