A high-profile initiative to build the UK’s largest AI supercomputer is experiencing significant setbacks that threaten to postpone its completion by several years. Originally slated for a 2027 debut, the project in Loughton, Essex, now faces a timeline that could extend into the mid-2030s, according to reports. The core issue cited is a failure to secure the substantial electrical power capacity required to operate a facility of this scale.

This development follows earlier skepticism regarding the project's viability. Previous reports noted that the designated site was still functioning as an operational scaffolding yard as recently as March, raising questions about the feasibility of the original construction schedule. The current power supply crisis has intensified these concerns, casting doubt on whether the infrastructure can be delivered as promised. While the government previously touted the project as a cornerstone of the nation’s AI strategy, the lack of grid capacity has become a critical bottleneck, forcing a re-evaluation of the project's timeline and overall readiness.