Microsoft has told British company Nscale that it is pulling out of its agreement for the AI data centre planned at Loughton in Essex, where it was expected to be the anchor tenant. The UK government had promoted the project as the country's largest sovereign AI data centre, but it has been delayed by power supply problems. Nscale loses its only publicly announced customer for the site. According to the report, Microsoft remains involved in a separate Nscale project in Norway.

What it means: The episode is a reminder that the real constraint on AI in Europe is not only chips but available electricity. A data centre can have funding, political backing and big-name customers, yet deals fall apart if a grid connection cannot be delivered in a reasonable time. For Nscale the blow is double, because it is preparing a stock market listing and losing an anchor tenant changes the story it tells investors. More broadly, the news adds to concerns about so-called neocloud companies, which borrow heavily to build capacity based on expected demand. For Greece, which is courting data centre investment, the lesson is practical. The country can point to renewables and its geographic position, but investors will first ask how quickly and how reliably power can be delivered by the grid operators ADMIE and HEDNO. Grid planning, permitting and energy supply contracts will decide whether announcements turn into working facilities. For businesses buying cloud services, the takeaway is to check where a provider's infrastructure physically sits and how realistic its expansion timelines are.

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