PITTSBURGH--(BUSINESS WIRE)--Alcoa Corporation (NYSE: AA, ASX: AAI) ("Alcoa†or the "Company†) announced that it will permanently close its Kwinana alumina refinery in Western Australia. This decision follows the curtailment of production at the refinery in June 2024. Alcoa has undertaken numerous studies and analyses since curtailment to determine the future of the refinery, including restart and closure. Multiple factors led to the decision to permanently close the refinery, including the age. ...