Bumper green aluminum output is good news for carmakers, and climate

Bumper green aluminum output is good news for carmakers, and climate

17 Dec    Finance News

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LONDON — Aluminum makers are set to boost low-carbon metal output by 10% in 2023 and churn out even more in the years ahead, driving down the cost for carmakers seeking climate-friendly supplies and shrinking the industry’s hefty carbon footprint.

Aluminum is the most energy-intensive metal to produce, accounting for about 1.1 billion tonnes of global CO2 emissions per year. Next year’s forecast increase in “green aluminum” output would reduce that by 13 million tonnes, or about 1.2%.

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Pressure by governments to cut greenhouse gas emissions has given aluminum producers an incentive to ramp up output of the low-carbon material, which emits less than 4 tonnes of CO2 per tonne of metal compared to the global average of 16.6 tonnes.

That means global surpluses of green aluminum – largely produced using hydro power or recycled material – already weigh on the premium that producers can charge buyers, from automakers and beverage can firms to construction suppliers.

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“It’s (the premium) been very modest now for the last couple of years,” Ivan Vella, chief executive of Rio Tinto Aluminium , told an investor conference last month.

Vella added that the company had seen some increases in premiums recently, without giving details.

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GREEN PRODUCTS

Global supplies of low-carbon aluminum have been robust for several years, but dipped in 2022 mainly due to restrictions in southern provinces in top producer China that rely on hydro power.

Output is due to bounce back globally next year, rising 10% to 18.56 million tonnes – accounting for 26% of total aluminum production, said Simon Large, analyst at consultancy CRU.

In Europe, the proportion of low-carbon products to overall supply is much higher than in the rest of the world, because large Scandinavian producers typically use hydro power, and should reach 83% next year, he added.

AUTO INDUSTRY

The increase in more sustainable supplies has coincided with growing efforts by companies to demonstrate their green credentials to consumers, led by the European car sector.

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Germany’s BMW agreed last year to buy aluminum made with solar power from Emirates Global Aluminium, while Volkswagen’s premium brand Audi is piloting metal from the new ELYSIS technology pioneered by Alcoa and Rio Tinto, which eliminates all CO2 emissions and replaces them with oxygen.

Most companies are reluctant to disclose how much low-carbon material they buy and any premiums paid for competitive reasons.

Electric vehicle (EV) maker Polestar has started to use green aluminum as part of a project to create a vehicle with zero emissions from every aspect of production, teaming up with Norway’s Norsk Hydro, which uses hydro power to produce much of its metal.

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Polestar said it pays slightly more for green aluminum, partly due to the administrative costs of changing suppliers, but did not say how much more.

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“The cost per reduced kg of CO2 emissions when shifting to green aluminum is still significantly lower than many other ways of reducing raw material emissions,” a company spokesperson told Reuters.

Norsk Hydro also inked a deal to supply Mercedes-Benz with aluminum that produces less than 3 tonnes of CO2 emissions per tonne of metal.

HEAVY INVESTMENT, LOW PREMIUMS

Aluminium companies have invested heavily in low-carbon technologies. Norsk Hydro said this year it had spent billions making its aluminum more sustainable, while Rio Tinto, Alcoa and the Canadian government invested $228 million in their new ELYSIS process.

But such investments to step up output are dampening the prices that producers can charge for their low-carbon products, especially this year when overall demand has been hit by recession fears, analysts say.

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“Low carbon premiums on the spot side have basically disappeared,” said Jorge Vazquez at consultancy Harbor Aluminum.

The spot premium for low-carbon billet, a fabricated product often used in construction, has slid to zero from $30 a tonne in January, he said.

Producers, however, are still managing to sell some of their low-carbon output at higher prices under quarterly and annual contracts.

Wire rod commands the highest premiums due to its use in power wiring linked to the green energy transition around the world, he added.

But even the bumper premium for wire rod of $45 a tonne represents less than 2% of the underlying benchmark aluminum price.

There are regional variations as well.

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“Where we’ve seen the most willingness to entertain green premiums is Europe, where it is quite accelerated, and we’re starting to see the early elements in North America, but Asia is behind,” said an industry source who declined to be identified.

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In Europe, premiums may get a lift from European Union proposals to impose tariffs on imports of high-carbon goods by 2026, another analyst said.

Consumers are benefitting from the plentiful supplies of not only low-carbon primary aluminum, but recycled material, which uses about 95% less energy to make.

Rising output of both will keep green premiums relatively low in the coming years, said Marcelo Azevedo at the McKinsey consultancy.

Limited movement of supplies between regions, however, could lead to deficits in high-demand areas such as Europe, he added.

One area bucking the weak trend is “ultra-low” carbon aluminum, meaning metal produced with less than 2 tonnes of carbon emissions per tonne of metals, where premiums are strong due to lack of material, Azevedo said.

(Reporting by Eric Onstad Editing by Helen Popper)

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