Microsoft has reportedly withdrawn from a data center agreement with AI infrastructure provider Nscale for a site in Loughton, Essex, amid reported project delays and concerns about electricity supply in the UK.
Microsoft has pulled out of a planned data center deal with British AI cloud infrastructure company Nscale, according to a report published by Britain’s Telegraph newspaper on October 18, 2026.
The report said Microsoft, one of Nscale’s two largest customers, recently terminated its agreement for the Loughton data center project. The newspaper did not provide a reason for Microsoft’s decision.
The development comes as demand for data centers continues to rise because of growing investment in artificial intelligence. These facilities require substantial computing resources and reliable electricity supplies to support AI model training, cloud services and other workloads.
Nscale, however, has said its relationship with Microsoft remains strong and that it is still committed to the Loughton project and its wider UK operations.
What Happened Between Microsoft and Nscale?
According to The Telegraph, Microsoft ended its agreement relating to Nscale’s planned data center in Loughton, Essex.
The report also highlighted delays affecting the project. National grid officials reportedly told Nscale that electricity would not be available for the site until the 2030s.
Microsoft declined to comment when approached by Reuters. As a result, the specific reason for its reported withdrawal has not been publicly established in the supplied report.
The reported development raises questions about the project’s original timeline and how the companies will manage their infrastructure requirements.
Why Is Electricity Supply a Concern?
Electricity availability has become an important issue for data center developers as cloud computing and AI workloads expand.
Modern AI facilities can require substantial amounts of power to operate servers, networking equipment, cooling systems and specialized processors. Developers must therefore secure sufficient electricity capacity before bringing large facilities into operation.
According to The Telegraph’s report, the Loughton project faced repeated delays, with grid officials reportedly indicating that a power supply might not be available until the 2030s.
If that timeline is accurate, it could create significant challenges for a project designed to serve customers whose computing needs may grow much sooner.
However, the supplied reporting does not establish that electricity availability was the reason Microsoft terminated its agreement.
What Has Nscale Said?
Nscale has maintained that its broader relationship with Microsoft remains strong despite the reported development.
A company spokesperson told Reuters that the issue affecting the London-area electricity grid did not affect Nscale’s other contracts.
The spokesperson also said Nscale remained committed to the Loughton project and the UK market. The company is exploring alternative electricity sources for the site, alongside other potential expansion locations across the country.
This response suggests that Nscale intends to continue developing its UK infrastructure plans, although the future of the specific agreement with Microsoft remains unclear.
The company has not, in the supplied report, provided a detailed explanation of how alternative power arrangements might affect the project’s schedule or capacity.
Why Is This Important for Microsoft’s AI Infrastructure Plans?
Microsoft is investing heavily in cloud computing and artificial intelligence infrastructure. Reliable access to data centers is essential for supporting cloud services, enterprise applications and AI products.
A data center agreement can involve long-term planning around computing capacity, electricity availability, construction schedules and customer demand. Delays in any of these areas can affect when infrastructure becomes operational.
If Microsoft’s reported withdrawal is confirmed, the company may need to adjust how it plans to secure the computing capacity associated with this particular project. However, the available information does not establish whether Microsoft has selected an alternative site or changed its wider UK infrastructure strategy.
The reported decision should therefore be viewed as a development involving a specific project, rather than evidence that Microsoft is withdrawing from the UK market.
What Does This Mean for Nscale?
Nscale has expanded rapidly by providing infrastructure used to train and operate AI models. Its services include computing resources, data centers, power infrastructure and software for AI workloads.
The company has attracted attention as businesses seek additional capacity to support increasingly demanding AI systems.
According to its IPO prospectus, Microsoft and Anthropic were expected to be among its major customers. The Reuters report also described Microsoft as one of Nscale’s two largest customers.
Losing or changing a major customer agreement could create challenges for planning a particular facility. Nevertheless, the supplied report does not quantify any financial impact on Nscale or establish how the reported termination might affect its overall business.
The company’s plans to explore alternative power sources and additional UK sites could be important to its next steps.
Nscale’s Growth and Planned IPO
The reported development comes as Nscale prepares for a potential public listing in the United States.
Reuters reported in September 2026 that the company had filed for an initial public offering. An IPO would give investors an opportunity to buy shares in the business, subject to the offering proceeding.
Nscale has grown quickly since its launch, according to figures cited in the report. The company reportedly expanded from $100 million to more than $103 billion in total contracted value over approximately two and a half years.
Contracted value represents the value of agreements over their relevant terms; it should not be interpreted as annual revenue or profit.
As Nscale pursues further growth, the successful delivery of infrastructure projects and the availability of reliable power will remain important considerations for its business.
What Happens Next?
The next steps will depend on how Microsoft and Nscale address the reported termination and whether the Loughton facility can proceed under revised arrangements.
Nscale says it is investigating alternative power sources and remains committed to the project. Further information about the site’s electricity supply, construction schedule and customer agreements could help clarify its future.
Microsoft has not publicly explained its reported decision in the supplied Reuters report. Until more details emerge, the reasons for its withdrawal and the potential impact on its wider infrastructure plans remain uncertain.
Conclusion
Microsoft has reportedly withdrawn from a data center agreement with Nscale for a site in Loughton, Essex, according to The Telegraph. The report highlighted repeated project delays and concerns about when the site could receive electricity, but it did not establish why Microsoft ended the agreement.
Nscale has said it remains committed to the project and is exploring alternative power sources and other UK expansion opportunities.
The situation highlights a major challenge facing the AI infrastructure industry: securing not only advanced computing equipment and data center capacity, but also the reliable electricity needed to operate them. The project’s future will depend on how these infrastructure challenges are resolved and what arrangements the companies make next.