Elon Musk plans to build the largest building in the world in Texas

In Grimes County, Texas, Elon Musk's Tesla and SpaceX announced plans for a semiconductor megafactory named Terafab, which will cover over 100 million square feet and cost $16.8 billion for its first phase. The facility aims to address the global semiconductor shortage by producing chips for various applications, including Tesla's robots and SpaceX's data centers. While the project promises to create at least 3,000 jobs, it has faced criticism from local residents concerned about tax incentives and transparency in the decision-making process.

Elon Musk plans to build the largest building in the world in Texas
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technology Published Aug 7, 2026

Topic overview

In brief

  • Elon Musk's Terafab megafactory will be built in Grimes County, Texas, with a projected cost of $16.8 billion.
  • The facility aims to produce over 1 terawatt of compute per year to meet the growing demand for semiconductors.
  • The project is expected to create at least 3,000 jobs, but has faced local opposition regarding tax incentives and transparency.

Summary

In a significant development for the technology and manufacturing sectors, Elon Musk's companies, Tesla and SpaceX, have confirmed plans to construct a massive semiconductor megafactory in Grimes County, Texas, just outside Houston. This ambitious project, named Terafab, is set to have a staggering footprint of over 100 million square feet, which would make it the largest building in the world, surpassing the current record holder, China's New Century Global Center. The first phase of the project is estimated to cost $16.8 billion, with total investments potentially reaching up to $119 billion across all planned phases.

The facility aims to address a critical supply issue for semiconductors, which are essential components in modern electronics, including smartphones and electric vehicles. Musk emphasized the need for increased chip production, stating that both Tesla and SpaceX require far more chips than current global production can supply. The factory will focus on producing various types of chips, including those optimized for edge computing and high-power chips for SpaceX's space-based data centers. This initiative is expected to create at least 3,000 jobs, benefiting the local economy in Grimes County and neighboring Brazos County.

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Updated Aug 7, 2026

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