An interesting article covering some emerging tech to use kites and drone/aircraft things for electrical generation - www.economist.com/science-and-technology/2019/06/08/an-innovative-approach-to-making-electricity-from-the-wind
The examples discussed still look a little clunky, but exciting to see novel approaches to harnessing wind power, e.g. SkySails a German fully automated kite system - skysails-power.com/ "A single unit will produce 200 kilowatts-enough to run about 100 homes"! Even Google is getting into it - makanipower.com