How much electricity does tiwai use?
The plant uses about 15,000 MWh of electricity per day – the annual consumption of a thousand average households. It earns about $1.5 billion per year, mostly from sales in Japan and other parts of Asia. The smelter is expected to cease production in 2024.
Why is Tiwai Point smelter closing?
Rio Tinto U-turns on Tiwai Point aluminium smelter closure by extending ops to 2024. Rio Tinto had said in July last year that it would shut the smelter by August 2021 after a strategic review showed the business was no longer viable due to high energy costs and a challenging industry outlook.
Is tiwai going to close?
The owners of the Tiwai Point aluminium smelter say they have reached a deal with electricity provider Meridian Energy that will keep it open until the end of 2024.
How much energy does Texas use per year?
Annual Energy Consumption Electric Power: 365.1 TWh (10% total U.S.) Coal: 98,300 MSTN (11% total U.S.) Natural Gas: 3,377 Bcf (14% total U.S.) Motor Gasoline: 303,100 Mbarrels (10% total U.S.) Distillate Fuel: 164,500 Mbarrels (12% total U.S.)
Who owns Tiwai Point?
Rio Tinto
New Zealand’s Aluminium Smelter (NZAS) is New Zealand’s only aluminium smelter and is located on Tiwai Peninsula, across the harbour from Bluff in Southland. NZAS is 79.36 per cent owned by Rio Tinto and 20.64 per cent owned by Japan’s Sumitomo Chemical Company.
How much electricity does an aluminium smelter use?
The smelting of aluminium is the most energy-intensive stage of aluminium production, with each tonne of aluminium requiring around 15 MWh of electricity.
What will happen to Tiwai Point?
The threatened Tiwai Point aluminium smelter will keep operating through to the end of December 2024, in a new deal just announced to the New Zealand stock exchange.
Where does tiwai get its power from?
The plant’s alumina is supplied from refineries in Queensland and the Northern Territory of Australia. Around 90 per cent of the aluminium produced at NZAS is exported, mainly to Japan.
What does Tiwai Point Produce?
The smelter produces the world’s purest aluminium – 99.98 percent pure – and is one of two smelters in the world producing ultrahigh purity aluminium. In 2011 the smelter produced 354,030 saleable tonnes of aluminium, which was its highest ever output at the time. In 2015, it produced 335,290 tonnes.
How much electricity does Texas use daily?
According to data from the US Energy Information Administration (EIA), the average Texan used 1,176 kWh per month in 2018. That works out to about 39.2 kWh in a 24-hour period. In that same year, the average price customers paid was 11.2 cents per kWh.
How does Texas make electricity?
Generation, Demand and Capacity. Early power plants produced electricity primarily from coal, steam or hydroelectric energy. Today, Texas still generates electricity from some of these traditional sources but increasingly relies on natural gas as well as renewable resources, primarily wind.
What does Tiwai Point do?
Why is Fonterra interested in Tiwai Point electricity?
The dairy giant Fonterra is casting ambitious eyes at the electricity that is about to become available after the Tiwai Point aluminium smelter closes. The Tiwai Point aluminium smelter. Photo: ekays/123RF But it needs to get a big cut in the price it pays before a deal can be made.
How much electricity does Tiwai Point aluminium smelter use?
New Zealand Aluminium Smelters has a contract for electricity supply with Meridian Energy for the continuous supply of 572 megawatts for the period 2013 to 2030. A variation of this agreement was signed in 2015.
Where does Texas rank in total energy use?
In part because of the state’s large population, Texas leads the nation in total residential energy use, but it ranks near the lowest one-fifth of states in per capita residential energy consumption. 23 The commercial sector accounts for the rest of Texas’ end-use energy consumption. 24
Why did Rio Tinto close the Tiwai Point smelter?
Rio Tinto threatened to close the Tiwai Point smelter if it could not get a cheaper deal for electricity from retailer Meridian, or the Government failed to give it a substantial subsidy to cover losses.