NewsAluminaAlcoa’s Kwinana refinery to shutdown permanently – what impacts will it bring on economy and alumina supply chain?
01 OCTOBER 2025AlCircle.com

Alcoa’s Kwinana refinery to shutdown permanently – what impacts will it bring on economy and alumina supply chain?

Edited by : Debanjali Sengupta
5 min read
Alcoa’s Kwinana refinery to shutdown permanently – what impacts will it bring on economy and alumina supply chain?

On Tuesday, September 30, Alcoa Corporation, a global industry leader in bauxite, alumina, and aluminium products, confirmed the permanent closure of its Kwinana alumina refinery in Western Australia. This decision has been taken after a year of cease in operation and gradual phase-wise curtailments. Since January 2023, the 60-year old refinery has been operating at around 80 per cent of its capacity. 

Already the curtailment of production caused a few hundreds of job loss, from approximately 800 employees to around 250. Now, the permanent shutdown will affect the rest, as part of the initial plans where the company mentioned that job cuts would continue till a point employee numbers are scaled down to about 50.

After exploring many ways to restart the refinery’s production, Alcoa finally confirmed they could zero down on no sustainable path.

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