It will be way more than $2 per kilogram. There will be costs to get the tether built and erected and maintained. The elctricity may be the cheapest part of it. There will be tons of overhead nobody has calculated yet.
/johnny
“The Fountains of Paradise” by Arthur C. Clarke is a novel about space elevators (he’s the science fiction author who “invented” comsats in geosync, the “Clarke Belt”).
Also Charles Sheffield wrote a space elevator novel, “The Web Between The Worlds”.
The slang term is “beanstalk” for obvious reasons.
We are very close to having materials strong enough, and as for a terror target, if you blew up the base, the whole thing would drift out, not down.
Hmmm .. a BIG lightning rod!
Hey Microsoft, quit dickin around with stuff like this and make some software that doesn’t blow up. Justa suggestion...