The potential closure of a Southland aluminium smelter has sucked 1.5 billion dollars from the value of Kiwi power companies
	The potential closure of a Southland aluminium smelter has sucked 1.5 billion dollars from the value of Kiwi power companies
    
	
    
	
	23 October 2019 
		
		
        
	
Tiwai owner Rio Tinto - the country's largest electricity consumer - is considering closing its Bluff plant.
Since the announcement - power company Meridian's share value has dropped by nearly 8 percent.
Mercury, Contact and Genesis have also seen shares drop.
	
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