Rachel Reeves talked up UK sovereign AI, but the numbers show why that's a hard sell

[Glenn]

UK Chancellor Rachel Reeves used her Mansion House speech to call AI the defining technology of our generation, saying it will be crucial to national security and the country's economic future. She pointed to a new Sovereign AI unit, an advanced market commitment to quantum, an AI hardware plan and a new AI Economics Institute as evidence the government is being active and strategic rather than just watching from the sidelines

One genuine win she highlighted, Mastercard has chosen the UK as the first country in Europe to roll out its AI agent based payment system, Agent Pay for Machines, which lets software make payment transactions across the Mastercard network without a human clicking approve

The harder problem sits underneath all of it, UK datacentre running costs are dramatically higher than competing countries. A think tank report found powering a 100 megawatt datacentre in the UK costs around 226.5 million pounds a year, compared to 156.3 million in France and just 67 million in Sweden, with UK electricity costs running almost four times higher than the United States

Forrester analyst Dario Maisto, who co-authored a global sovereignty forecast, argues it isn't realistic for a mid sized country like the UK to build genuinely sovereign cloud and AI capabilities from scratch, given how many years hyperscalers have had to refine their offerings. He points out there's effectively no real alternative to Microsoft Excel's macro functionality except Google Workspace, and even that lacks equivalent advanced features, meaning true sovereignty in practice usually comes down to deciding which countries to depend on and on what terms rather than building everything domestically

The government's own British Industrial Competitiveness Scheme, aimed at cutting electricity costs for manufacturing, explicitly does not cover datacentres, despite them being exactly the kind of high energy user the scheme was designed to help. Industry body TechUK has called this a cherry picking approach that leaves strategically important digital infrastructure feeling abandoned while other sectors get relief

Reeves Speaks Up About Uk Sovereign Aiwww.computerweekly.com

[StoneCold]

The Excel macros example is such a perfect illustration of why sovereignty rhetoric is so much easier to say than actually deliver in practice