Alcoa has announced it will permanently close its 60-year-old Kwinana refinery in Perth’s southern suburbs, after undertaking “numerous studies and analyses” to determine its future.

The decision comes after the curtailment of production at the site in mid-2024.

“Multiple factors led to the decision to permanently close the refinery, including the age of the facility, scale and operating costs, market conditions and bauxite grade challenges”: a statement from the company on Tuesday morning read.

Alcoa executive vice president and chief operations officer Matt Reed said the decision to close down had been a difficult one.

“Alcoa operated the Kwinana refinery for a number of years in a challenging environment and made the difficult decision to permanently close the facility after unsucce

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