Data centre debate heats up ahead of US midterms
Data centres are key to AI, growing rapidly. 12,250 worldwide, up from 8,000 in 2021, with 4,767 in the US, China second, Europe behind. The largest, China Telecom in Hohhot, covers one million square metres, 140 football pitches. New projects like Colossus 2 will house hundreds of thousands of Nvidia chips and train xAI’s Grok. Elon Musk’s company will use 41 methane gas turbines, activists…
Key points
- 12,250 data centres worldwide, up from 8,000 in 2021, with 4,767 in the US.
- China Telecom’s Hohhot centre covers one million square metres, 140 football pitches, largest operational site.
- Tech industry to spend $765bn on AI infrastructure in 2026, $544bn on AI infrastructure, topping $1tn next year.
The story so far
3 episodes →- Data centre debate heats up ahead of US midtermsthis story
Data centre debate heats up ahead of US midterms - here's what you need to know
BBC Technology · 25 October 2026
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