Microsoft cancels UK AI data center project due to power delays

Microsoft has pulled out of a planned artificial intelligence data center in the United Kingdom. The reason is not a chip shortage, a funding gap, or a change in strategy. The building simply couldn’t get enough electricity. The facility, developed by AI infrastructure company Nscale in Loughton, Essex, was supposed to supply computing power to Microsoft’s Azure cloud business. Microsoft ended its anchor-tenant agreement for the site on October 18, 2026. The trigger was UK Power Networks telling the project that adequate grid power would not reach the site until the early to mid-2030s. The data center was meant to open in late 2026 or early 2027. What was supposed to be built in Essex On paper, Loughton was a serious project. It was pitched as the UK’s largest sovereign AI data center, meaning computing capacity located and controlled within the country’s borders. The plan called for an initial capacity of 50 MW, with room to expand to 90 MW. Those servers were to include 23,040 Nvidia GB300 GPUs, all dedicated to Microsoft Azure workloads. Microsoft says the broader relationship is fine Microsoft has been careful to frame this as a site problem rather than a partner problem. The c...