UK-Australian mining firm Rio Tintos aluminium and copper earnings increased year on year in the first half of 2024.
Earnings before interest, tax, depreciation, and amortization (Ebitda) in Rio Tinto's copper business increased by 67% on the year in the first half to $1.8 million, benefiting from the ramp-up at Oyu Tolgoi in Mongolia and resumed operations at the Kennecott smelter in the United States following its rebuild last year.
Rio Tinto's mined copper production increased by 13% on the year to 327,000 tons in the first half of this year on the back of higher output from its three operations. Mined copper output increased by 9% on the year at Escondida in Chile and 18% at Kennecott. Mined copper output also increased by 15% at Oyu Tolgoi, keeping it on track to reach 500,000 tons per year of copper from 2028 to 2036.
Refined copper production increased by 32% on the year to 125,000 tons in the first half owing to the resumed operations at Kennecott, partially offset by lower refined copper production from Escondida by 19%.
The firm expects to produce 660,000-720,000 tons of mined copper and 230,000-260,000 tons of refined copper in 2024.
Rio Tinto's aluminium business saw Ebitda jump 38% higher on the year in the first six months, reaching $1.58 billion, as revenues edged up by 4% to $6.49 billion.
The company reported easing costs for key raw materials such as caustic soda, coke, and pitch. Average all-in prices remained broadly stable as rising London Metal Exchange aluminium prices were mitigated by lower premiums.
Rio produced 1.65 million tons of aluminium in the first half, up by 3% on the year, with broadly stable production across its smelter network.
The company produced 3.54 million tons of alumina in the first half, down by 5% on the year, while bauxite production rose by 10% on the year to 28.1 million tons in the first half.
In the second quarter, Rio Tinto began consolidating ownership of its aluminium smelters. At the end of May, the company agreed to acquire Japanese firm Sumitomo Chemical's stake in New Zealand Aluminium Smelters, giving Rio Tinto 100% ownership of the company. The following month, it agreed to acquire Japanese firm Mitsubishi's 11.65% stake in the Boyne Smelters subsidiary, which owns and operates the Boyne Island aluminium smelter in Gladstone.
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