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Fault in Data Center Alley Triggered 3 GW Load Drop
Dominion says data centers transferred to backup power after a transmission line fault, creating one of the largest sudden load changes publicly reported on the US grid.
A transmission line fault in a major data center region caused hyperscale facilities to automatically switch to backup power, removing more than 3 gigawatts of demand from the power grid in seconds. This event is notable because it demonstrates how large concentrations of data centers respond to disruptions on the bulk power system, and because the transfer was initiated by the data centers' own protection systems rather than by utility or grid operator directives. The incident occurs amid growing pressure on regional power infrastructure, including recent warnings about potential emergency use of backup generators and discussions about grid reforms to support AI infrastructure growth. The timing highlights the challenges of maintaining grid reliability as data centers concentrate in specific regions and consume increasing amounts of electricity.
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Google Unveils TPU 8i Max and TPU 8tx: A Dual-Chip TPU and a Confidential TPU
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Also reported by Data Center Knowledge
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