The proposal is for construction of a natural gas fired cogeneration facility on a 2.5ha site located within Alcoa’s Pinjarra Alumina Refinery. Alinta Cogeneration (Alcoa Pinjarra) Pty Ltd will own the facility and will supply steam to Alcoa for refinery purposes. Alinta Cogeneration (Alcoa Pinjarra) Pty Ltd will sell the power generated to customers within the South-West Interconnected System (SWIS). Alcoa will operate the facility within the framework of the Pinjarra refinery operations.
The cogeneration facility will be built in two stages, each comprising a self-contained unit. It is envisaged that each unit will be capable of generating up to 160 megawatts of electricity and up to 222 tonnes per hour of high pressure steam. All of the electrical power generated will be sold to customers connected to the South-West Interconnected System (SWIS). Waste heat from the gas turbines will be used to generate steam that will be used within the refinery.
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