OpenAI pauses UK data plan

OpenAI has put its Stargate UK data-centre plan on pause less than seven months after unveiling it, saying Britain’s energy costs and regulatory conditions are not good enough yet for “long-term infrastructure investment.” The project had been announced on September 16, 2025 as a partnership with Nvidia and Nscale. (cnbc.com) (openai.com) This was not a vague research idea. OpenAI said Stargate UK would explore taking up to 8,000 Nvidia graphics processing units in the first quarter of 2026, with room to scale to 31,000 over time across multiple British sites. (openai.com) (nscale.com) A graphics processing unit is the chip that does the heavy lifting for artificial intelligence, and a big model needs thousands of them running together like a factory full of engines. A data centre built around those chips does not just need land and servers; it needs huge amounts of steady electricity. (openai.com) (datacenterdynamics.com) Britain is a hard place to make that math work. Reuters reported on April 9 that industrial power prices in the United Kingdom are about four times higher than in the United States, and The Telegraph cited average British day-ahead electricity prices of about $104 per megawatt hour over the past year versus $43 in the United States. (msn.com) (telegraph.co.uk) The regulatory fight is not just about planning permits. The Next Web reported that unresolved British rules around artificial-intelligence copyright were part of the blockage, which matters because OpenAI has been pressing governments to make it easier to train models on large bodies of text and media. (thenextweb.com) That pause lands awkwardly for Prime Minister Keir Starmer’s push to make Britain an artificial-intelligence hub. In September 2024, the UK government gave data centres Critical National Infrastructure status, putting them in the same protected category as sectors like energy and water. (gov.uk) By September 2025, Nvidia was talking about up to £11 billion of UK artificial-intelligence infrastructure investment with partners including Nscale and CoreWeave, and up to 120,000 Nvidia Blackwell chips for British “AI factories.” OpenAI’s Stargate UK was one of the named projects inside that bigger buildout story. (nvidia.com) Now one of the flagship pieces has stalled before the hardware arrived at scale. CNBC reported that OpenAI still plans to work with the UK government on a separate agreement to provide ChatGPT and other services to public services, so the software relationship is still moving even as the physical infrastructure plan is frozen. (cnbc.com) (bloomberg.com) The bigger lesson is that artificial-intelligence expansion is starting to look less like a pure software race and more like a power-grid race. You can announce 31,000 chips on paper in one season, and still end up waiting on electricity prices, grid access, and rules before a single large cluster is switched on. (openai.com) (cnbc.com)