You are talking about feeding cities, that's why they are so big. You are confusing power with energy. You can get a few km of them. Find out here:
http://en.wikipedia.org/wiki/Electric_power_transmission#Superconducting_cables 2013/3/7 Jed Rothwell <[email protected]> > Daniel Rocha <[email protected]> wrote: > >> >> A small supeconductor line can easily handle that. >> > > Where can I buy a small superconductor line? > > > >> and you don't need a power substation, just a lot of batteries in >> parallel. >> > > Yes. A truckload of batteries, like one of the trucks shown here: > > > http://esmailshariff.blogspot.com/2011/02/a123-power-supplying-12-megawatt-li-ion.html > > - Jed > > -- Daniel Rocha - RJ [email protected]
