TSMC Raises Arizona Outlay to $265 Billion Amid AI Chip Surge

Explosive demand for advanced AI chips is forcing semiconductor and data-center operators to commit tens of billions of dollars to new factories and campuses even as construction costs climb sharply. Taiwan Semiconductor Manufacturing Co. told investors it will add another $100 billion to its Arizona project, lifting the total commitment there to $265 billion and pushing the company’s annual capital spending guidance to between $60 billion and $64 billion. CFO Wendell Huang said the move responds to a “multi-year demand mega trend” and that the firm intends to capture every available order rather than leave capacity for competitors. Phase one of the Arizona site, already using 4-nanometer technology, is operating; the company is converting 5-nanometer lines to 3-nanometer processes and plans to introduce 2-nanometer production later this year. In a separate development, Hut 8 announced a second 15-year lease valued at $9.8 billion for 352 megawatts at its Texas Beacon Point campus, bringing the site’s contracted base-term value to $19.6 billion and the company’s total AI data-center commitments to 949 megawatts backed by 1,330 megawatts of utility power. The lease is with an existing investment-grade tenant that has now doubled its footprint at the location. U.S. construction costs remain four to five times higher than in Taiwan, yet both companies are proceeding because electricity access and advanced-node capacity have become the binding constraints on AI growth.