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Tsingshan has asked some Indonesian nickel producers for a reduction in output to allow aluminium to be produced.

Three sources familiar with this matter have confirmed that China's Tsingshan group has asked the 'nickel pig-iron' (NPI), producers in Indonesia's Weda Bay 'industrial park, to reduce output by June, to conserve electricity to produce aluminium. This is a sign of the group's move into the lighter metal, which may be affecting nickel operations. Sources said that Tsingshan sent the request to NPI producers last week, as NPI is a vital feedstock for stainless-steel. The company also prioritised aluminium after the price rally increased margins.

Tsingshan owns shares in the power?plant of the industrial park. The move will redirect electricity from the 22 NPI plants located within the area, including some owned by Tsingshan, to the single aluminium plant co-owned by Tsingshan, Xinfa, and others.

The three sources refused to give their names because they weren't authorized to speak in public and couldn't confirm the exact extent of the production cuts. The benchmark three-month aluminum on the London Metal Exchange has increased by more than 12% since the beginning of the Iran War, which has caused disruptions in shipments of metal through the Strait of Hormuz, and has damaged aluminium plants in the Gulf Region, where close to 9% of world supply is produced.

Sources said that the rally had helped to widen margins for aluminium, which were already higher than those of NPI. NPI has a margin of less than 10%.

Tsingshan didn't immediately reply to an emailed comment request.

POWER BOTTLENECK Tsingshan supplies the Weda Bay Park, which has a capacity of more than 700,000.0 metric tons per year for nickel-in NPI, using captive coal-fired plants, according to a presentation made by Eramet in May, Tsingshan’s partner in PT Weda Bay Nickel. The park is located on Indonesia's Halmahera Island and also hosts the Tsingshan Xinfa Juwan aluminum project with a capacity of 250.000 tons per year.

NPI as well as aluminium smelting use large amounts of energy. Tsingshan’s expansion into aluminium has put pressure on its power supply. Captive power additions have lagged behind the pace of the smelter’s development.

Rachel Zhang, Morgan Stanley's head of China materials research, said that building a captive plant can take up to two and a half years, while an aluminium smelter takes less than one year. This will limit output below the?nameplate capacities.

She said that for Indonesian smelters the delivery time of power equipment has increased to 21 months, up from 18 months, in 2024. Costs have also risen roughly 30%. (Reporting from Dylan Duan in Shanghai, and Lewis Jackson in Beijing. Editing by Kate Mayberry.)

(source: Reuters)