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Tiwai Point smelter has 36,000 tonnes more contaminated waste materials than previously thought
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Tiwai Point smelter has 36,000 tonnes more contaminated waste materials than previously thought
nzherald.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nzherald.co.nz Daily Mail and Mail on Sunday newspapers.
Smelter agrees to small cut in electricity use amid concerns over supplies
27 Apr, 2021 08:43 PM
3 minutes to read
New Zealand s largest electricity user, the Tiwai Point aluminium smelter, has agreed to reduce its consumption marginally amid concerns over hydro lake levels. Photo / Gregor Richardson
New Zealand s largest electricity user, the Tiwai Point aluminium smelter, has agreed to reduce its consumption marginally amid concerns over hydro lake levels. Photo / Gregor Richardson
New Zealand s largest electricity producer and its largest user have struck a deal to reduce consumption.
On Wednesday morning Meridian Energy announced it had struck a swap deal with New Zealand Aluminium Smelters, to reduce the Tiwai Point aluminium smelter s consumption by up to 30.5 megawatts per hour, from now until the end of May.
An offer for what the Government called the Southland Transition Bond was made in November.
Kavinda Herath / Stuff
What waste is being stored at Tiwai Point? But correspondence released under the OIA states the smelter s owners, Rio Tinto and Sumitomo, rejected the proposal. “Unfortunately, Rio Tinto and Sumitoto have declined to make any substantive remediation commitments prior to the finalisation of a preliminary disclosure plan next year, and has rejected the Government’s proposal of a bond payment linked to remediation, without tabling any alternative suggestions,” an email from Treasury commercial performance manager Maureena van der Lem to Rio Tinto’s general manager of energy, Andrew Horvat, stated in December.
”I look forward to receiving a rehabilitation plan. ’ The reports stated coastal erosion was having an effect on bores near a site where a toxic substance called spent cell liner is stockpiled, and that groundwater monitoring bores surrounding a landfill show there is leaching of contaminants from materials deposited at the landfill into the surrounding groundwater. SCL contains flourides, cyanides and nitrides. When asked about those issues, Parker said Environment Southland was the authority with the lead responsibility for environmental management in the area. “This includes monitoring and managing discharges to the environment.’’
ROBERT KITCHIN/Stuff
Environment minister David Parker hs welcomed reports from New Zealand Aluminium Smelter, but wants more information. (File photo)
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