Written questions

Electricity: Data Centres

Lords · Question HL2805 · Tabled 1 Sep 2026 · Department for Energy Security and Net Zero · Official record

Answered 15 Sep 2026

Question

Asked by Lord Birt

To ask His Majesty's Government what is their estimate of the additional electricity needed to power data centres by 2035; and how they intend that electricity to be generated.

Answer

Answered by Baroness Curran, 15 Sep 2026

Data centre demand growth remains uncertain, reflecting factors including new connections, utilisation, efficiency improvements and wider AI adoption. The Department is working with NESO, Ofgem and industry to monitor developments and assess plausible dem...