Nscale Loughton AI campus
Nscale’s planned UK supercomputer in Essex, launched with 23,040 GB300 GPUs for Microsoft Azure. Microsoft left the deal in 2026 over grid power dates.
Nscale Loughton AI campus is an announced GPU cluster run by Nscale in Loughton, Essex, United Kingdom. 23,040 NVIDIA GB300 GPUs are planned; no installed count is published. Planned power: 50 MW.
Facts
Source per value- Owner / operator Organization that owns or operates the GPUs. Hosting and facility roles are listed under Partners.
- Nscale 1
- GPU maker NVIDIA, AMD or Intel, taken from the GPU model.
- NVIDIA 1
- GPU model Accelerator model or family as disclosed. A GH200 is one GPU on a superchip; an MI300A is an APU that contains a GPU.
- NVIDIA GB300 1
- GPUs installed Physical GPUs in the cluster, from the operator or a deterministic sum of disclosed quantities (nodes × GPUs per node). Planned counts, H100-equivalents and unaudited press totals are never counted here.
- Not published
- GPUs planned Announced, contracted or target GPU count. Not evidence that the GPUs are installed.
- 23,040 1
- Location City, region and country where the cluster sits. Empty when the operator does not name the site.
- Loughton, Essex, United Kingdom 1
- Country Country of the cluster, taken from the location.
- United Kingdom 1
- Live power MW Power in service, in megawatts of IT load where the source says so. Company figures are marked in the notes; Epoch AI satellite estimates are labelled as estimates.
- Not published
- Planned power MW Planned or contracted power at full build, in megawatts.
- 50 1
- Power notes Basis and date of the power figures, and who published them.
- 50 MW, scalable to 90 MW (Nscale). 1
- Status operational = running and named as such by the operator or a primary source; partly operational = a phase is live and more is coming; under construction = building underway; announced = disclosed or contracted with no confirmed go-live.
- announced 1
- Status notes The source’s wording on status, with the date.
- Nscale planned delivery to Microsoft in Q1 2027. Press reports (2026) say Microsoft withdrew because UK Power Networks cannot connect the site until the 2030s; Nscale says it remains committed and is seeking other power. 2
Sources
- Nscale: UK AI infrastructure announcement (Sep 2025) accessed 2026-11-11
- ITPro (press): Microsoft pulls out of Essex data center over power accessed 2026-11-11
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