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Alcoa Gas-Fired Cogeneration Facility

Alcoa Steam Supply Agreement Signed

July 2003


Unit 1 construction began September 2003

Project Commissioning


Start of Operations

Unit 1 began operations in 2006 and Unit 2 was also expected in 2006


Each cogeneration unit generates up to 280MW of sent out electricity and 840t/h of high-pressure steam

Plant Type

Gas turbine based cogeneration




Pinjarra, Western Australia

Estimated Investment


Plant Owner

Alinta Co-generation (Pinjarra) Pty Ltd (Alinta), a subsidiary of Alinta Limited


Alcoa World Alumina Australia (Alcoa)

Environmental Referral

ENVIRON Australia Pty Ltd

Gas Turbines

One 140MW unit, one further to be specified

Steam Generator

Heat recovery steam generator (HRSG)


Natural gas

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