Comment by arethuza

Actually my first thought for something like this was places like Orkney that have a surplus of wind powered electricity (there is a connector to the mainland being built) and short flights between the islands - including the shortest scheduled commercial flight in the world:

https://en.wikipedia.org/wiki/Westray_to_Papa_Westray_flight

So maybe one day people will take a joby to Papa Westray ;-)