The U.S. Department of War has announced an estimated $174 million investment in a new gallium production facility in Australia. The plant at Alcoa’s Wagerup refinery is expected to produce 100 metric tons of gallium each year, helping reduce supply risks for defense electronics.
The project is being led through the Department of War’s Industrial Base Analysis and Sustainment program. Alcoa of Australia will operate the facility, with Export Finance Australia, the Japanese government, and Sojitz Corporation also involved.
The main goal is to secure a more reliable supply of gallium. The metal is important for high-performance semiconductors used in advanced radar, missile defense, satellite communications, and military sensors.
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Gallium is used in semiconductor materials that can handle high power and high frequencies. These materials help systems detect objects, communicate securely, guide missiles, and support thermal imaging. Gallium is also used in solar cells for satellites.
The new facility will be built at Alcoa’s existing Wagerup alumina refinery in Western Australia. The 100-metric-ton annual production target is expected to add a significant new source of gallium, while Alcoa will handle operations.
There are still limits to the project. The facility has not yet become an operating source of gallium, and the final U.S. dollar value of the investment can change because of exchange-rate movements. The planned output also does not remove the need for a wider global supply network.
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The Department of War says the project is part of a broader effort to strengthen the defense industrial base. The department’s IBAS program has invested more than $2.6 billion across over 200 projects since 2014, showing that critical-material supply is becoming an important part of defense planning.
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