TSMC began construction of a 5nm chip fabrication plant in April, 2021. Due to a global shortage, the company plans to pay a debt offering of US$4.5 billion. A water plant next to the chip manufacturing plant burst into flames on October 23, 2021.
https://www.notebookcheck.net/TSMC-reveals-debt-offering-for-its-chip-manufacturing-plant-in-the-US-valued-at-US-4-5-billion.575099.0.html