The plant, a key supplier to the aluminium industry, currently operates at half of its capacity after a spill in February 2018.
norsk hydro Mining News
A couple of long-running outages together with curtailments in Europe caused aluminium production outside China to dip 1.4%.
The refinery, the world's biggest, has been operating at half capacity since early 2018, when Hydro admitted it had made unlicensed emissions of untreated water.
The company couldn’t detail how much output had been impacted, but said the so-called potlines, which process molten aluminum and need to be kept running 24 hours a day, had switched to manual mode.
The company plans to appoint Hilde Merete Aasheim, who has been head of the company's Primary Metal unit since 2008, as its new CEO in May.
"A prolonged embargo will have negative impact on earnings, cash flow and sentiment."
The plant is operating at half capacity after early last year admitting it had made unlicensed emissions of untreated water.
It all started so well in 2018.
A congressional commission assembled to look into the incident blamed both the company and regulators, and called for civil and criminal investigations to continue.
China this year has been exporting unusually high volumes of alumina, a substance used to make aluminium.
Figure is fivefold increase from August, up 3,400% y/y
The first spot transaction sees 3,000 tonnes of alumina change hands at $437.23 a tonne.
Norsk Hydro said on Tuesday it has won permits from Brazilian authorities to restart operations at half capacity at its Alunorte alumina refinery.
Norsk Hydro has won permits from Brazilian authorities to restart half the capacity of its Alunorte, the world's largest alumina refinery.
Hydro plans to halt production and lay off 4,700 people at Alunorte, which has been operating at half capacity since March due to an environmental dispute.
Hydro was ordered to slash output by half at Alunorte after the company admitted to making unlicensed emissions of untreated water during severe rains.