Tesla and SpaceX have confirmed Grimes County, Texas as the site for their Terafab semiconductor megafactory, with the first phase costing roughly $16.8 billion. The project targets the largest chip manufacturing facility on the planet to supply over 1 terawatt of compute per year that exceeds current and future global production capacity.

The partners call it the largest chip manufacturing facility on the planet.
https://x.com/Tesla/status/2085365278276284803
Tesla pointed to a goal of producing over 1 terawatt of compute per year.
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