Dairy dryers loom as a potential replacement electricity user.
Jenny Ruth Tue, 04 Apr 2017
The economic fortunes of the Tiwai aluminium smelter have improved considerably but the threat of its closure remains a cloud over the electricity sector.
The smelter’s owners, Rio Tinto with 80% and Sumitomo owning the rest, can give a year’s notice of closure at any time and the smelter uses
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