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

Launch of UK’s ‘largest AI supercomputer’ delayed by power supply problems

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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