[skummetmaelk]

Another fun fact: in 2018 the US produced 890,000 tons of Aluminium. Iceland (population ~350,000) produced 870,000 tons.

[saagarjha]

Is it Iceland’s insatiable desire to produce aluminum, or an abundance of geothermal energy?

[eisa01]

It's hydropower ;)

Geothermal energy is mostly for district heating and hot water