no it is not because all the equipment that goes down into the arth costs alot.
i think is yes. :) :]
False the only unlimited source of cheap energy is the sun
you already know ! c;
Because they use geothermal energy.
Yes, it is a cheap source of very dependable energy.
Cheap, unlimited, and scalable.
It uses rocks from underground and makes lots of power. It is cheap and clean and is renewable.
Once installed it's cheap and non-polluting - so sure.
Cheap source of energy
Its cheap.
This is usually very cheap, $0.03-$0.08 or even less
It is plentiful and cheap.
It is easy and cheap to mine and easy, cheap and versatile to use.