New Zealand s Aluminium Smelter Global Rio Tinto
New Zealand s Aluminium Smelter NZAS converts alumina into aluminium using renewable hydroelectricity resulting in one of the lowest carbon footprints for an aluminium smelter in the world The smelter is located on Tiwai Peninsula in Southland and the majority of the plant s alumina is supplied from our Yarwun and Queensland Alumina