Other countries are very much the same. Almost always located near giant hydroelectric generation facilities. Brazil + Russia are two big ones that come to mind. Probably China too.

Iceland has a massive amount of geothermal and hydroelectricity. A large portion of that electricity is exported in the form of aluminum.

What a fascinating sentence to read!

Aluminum can be thought of as "solid electricity". Base mineral is abundant but transfomation is energy-expensive.

It's an interesting way to frame it, like how California exports water to Saudi Arabia via alfalfa