TSMC confirms September power outage at Fab 21 in Arizona — loss of wafers and financial impact unclear

November 26, 2025

, By Tom’s Hardware

TSMC confirms September power outage at Fab 21 in Arizona — loss of wafers and financial impact unclear

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A power outage at one of TSMC’s suppliers in Arizona interrupted production at the firm’s Fab 21 in late September, prompting the company to scrap some of the wafers that were in production at the time, according to reliable insider data-analytics-id=”inline-link” href=”https://www.culpium.com/p/tsmc-arizona-outage-saw-fab-halt” data-url=”https://www.culpium.com/p/tsmc-arizona-outage-saw-fab-halt” target=”_blank” referrerpolicy=”no-referrer-when-downgrade” data-hl-processed=”none” data-mrf-recirculation=”inline-link”>Tim Culpan. A TSMC representative confirmed to Tom’s Hardware that a power outage at a TSMC supplier occurred, but did not confirm if any losses occurred.

The disruption of power supply originated at Linde, a British industrial-gas specialist contracted to support Fab…

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TSMC confirms September power outage at Fab 21 in Arizona — loss of wafers and financial impact unclear

November 26, 2025

, Published By Tom’s Hardware

TSMC confirms September power outage at Fab 21 in Arizona — loss of wafers and financial impact unclear

A power outage at one of TSMC’s suppliers in Arizona interrupted production at the firm’s Fab 21 in late September, prompting the company to scrap some of the wafers that were in production at the time, according to reliable insider data-analytics-id=”inline-link” href=”https://www.culpium.com/p/tsmc-arizona-outage-saw-fab-halt” data-url=”https://www.culpium.com/p/tsmc-arizona-outage-saw-fab-halt” target=”_blank” referrerpolicy=”no-referrer-when-downgrade” data-hl-processed=”none” data-mrf-recirculation=”inline-link”>Tim Culpan. A TSMC representative confirmed to Tom’s Hardware that a power outage at a TSMC supplier occurred, but did not confirm if any losses occurred.

The disruption of power supply originated at Linde, a British industrial-gas specialist contracted to support Fab…

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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