Private company
New Zealand Aluminium Smelters Limited
Aluminium smelter in New Zealand
The Tiwai Point Aluminium Smelter is an aluminium smelter owned by Rio Tinto Group, via a joint venture called New Zealand Aluminium Smelters (NZAS) Limited. The facility, New Zealand's only aluminium smelter, is at Tiwai Point, near Bluff.2 It is headquartered in Invercargill.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Industryaluminium industry1
- HeadquartersInvercargill1
- Websitewww.nzas.co.nz
See how the biggest companies compare on our leaderboards

The Tiwai Point Aluminium Smelter is an aluminium smelter owned by Rio Tinto Group, via a joint venture called New Zealand Aluminium Smelters (NZAS) Limited. The facility, New Zealand's only aluminium smelter, is at Tiwai Point, near Bluff.2
Timeline
- Feb 13, 1969Founded Founded1
Links
- Websitewww.nzas.co.nz1
- WikipediaNew Zealand Aluminium Smelters
- More imagesWikimedia Commons
- WikidataQ7015202
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3Wikimedia CommonsNew Zealand Aluminium Smelters Limited photo by unknown, CC BY 2.5