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The Guardian - UK
The Guardian - UK
Technology
Dan Milmo Global technology editor

REVEALED: Construction of uks largest supercomputer delayed over power supply problems | Rare Historical Photos

Artist's impression of datacentre in Essex.
An artist’s impression of Nscale’s planned supercomputer complex in Loughton, Essex. Illustration: Nscale

A huge datacentre project hailed by the UK government will miss its launch date next year and could be delayed into the mid-2030s.

The site in Loughton, Essex, was described as the country’s largest AI supercomputer when it was announced in 2025, but power supply problems mean it now faces a lengthy wait before coming online.

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