Labour's AI investment row pits growth against green energy concerns

A row has broken out within Labour over the UK's approach to AI investment. Chancellor Rachel Reeves is pushing to attract tech firms, but Ed Miliband's warnings about data centres' energy demands have sparked frustration. Critics claim his stance risks undermining efforts to compete with the US and China in AI development.

The dispute began after Miliband responded to a letter from Toby Perkins, chair of the Environmental Audit Committee. Perkins raised concerns about how data centres fit into the UK's net-zero targets. In his reply, Miliband admitted uncertainty over future energy demands and how these facilities would interact with the wider system.

Data centres already face scrutiny due to their soaring electricity needs. Forecasts suggest their power consumption could quadruple by 2030, straining local supplies and complicating climate goals. The UK's high electricity costs—among the steepest globally—add another hurdle, despite firms pledging major investments.

AI companies have committed over £3 trillion worldwide to data centre projects, with UK spending exceeding £45 billion. Nvidia alone has pledged £500 million to UK firm Nscale for new facilities, though locations remain undisclosed. Yet Miliband's caution has irked colleagues like Reeves and Liz Kendall, who fear his focus on energy risks deterring investors.

A Treasury insider dismissed claims that Reeves sees Miliband as a barrier to AI growth. Meanwhile, his allies insist he has moved on from leadership ambitions after his 2015 defeat. Rivals, however, continue to push for his promotion, adding to internal tensions.

The clash highlights the balancing act between economic growth and sustainability. With AI investment surging, the government must address both energy demands and competitiveness. The outcome could shape the UK's position in the global tech race.