Labour's AI investment row exposes clash between green goals and tech growth

A dispute has broken out within Labour over the future of AI investment in the UK. Shadow Energy Secretary Ed Miliband raised concerns about the electricity demands of new data centres, sparking criticism from Chancellor Rachel Reeves. The row comes as global AI firms pledge billions to UK projects, despite rising energy costs.

Miliband wrote to MPs warning that data centres could undermine net-zero targets. He acknowledged their potential emissions but admitted future demand remains unclear. His cautious tone frustrated Reeves and Business Secretary Liz Kendall, who want the UK to compete with the US and China in AI development.

The clash follows Miliband's efforts to appeal to Green voters ahead of May's local elections. His comments also cast doubt on whether new data centres would be approved, creating uncertainty for investors. Meanwhile, AI companies have committed over £45 billion to UK data centres as part of a global £3 trillion push. One firm, Nscale, is building a facility in Loughton, Essex, due to open in late 2026. However, the exact UK share of its €2 billion funding round remains undisclosed. Industry analysts warn that electricity demand from data centres could quadruple by 2030, adding pressure to decarbonisation plans.

The disagreement highlights tensions between Labour's green agenda and economic ambitions. AI firms continue to invest heavily in the UK, but regulatory uncertainty may slow progress. The government now faces balancing energy security with its push for tech sector growth.