The Australian unit of US oil giant Chevron said on Tuesday it would supply a total of 130 petajoules of gas to aluminum producer Alcoa over a 10-year period starting in 2028.
The gas will be supplied from Chevron’s Gorgon and Wheatstone facilities, with a capacity of 530 terajoules per day, and the North West Shelf Venture in the state of Western Australia, Chevron Australia said in a statement.
For its part, Alcoa said the gas would be used to fuel its alumina refineries in Western Australia.
Alcoa previously landed gas supply deals with Chevron, Warrego Energy and Exxon Mobil in 2020 to power its Kwinana, Pinjarra and Wagerup alumina refineries in the state from 2024.
However, the aluminum company said in January it would halt production at the Kwinana refinery, citing difficult market conditions and the age of the facility.
An Alcoa spokesperson said an unexpected gas disruption and subsequent power outage at its Pinjarra alumina refinery on Tuesday had impacted process flow.
“Alcoa continues to restore refining operations at the site and the cause of the disruption is under investigation,” the spokesperson said.
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