National Grid to site biggest substation in UK near planned Teesside datacentre

by | Nov 11, 2026 | Energy

National Grid to site biggest substation in UK near planned Teesside datacentre

National Grid has secured a significant land purchase to advance development of what would become the United Kingdom’s largest electricity substation. The utility company agreed last week to buy 29.5 hectares at Dorman Point on a site controlled by Teesworks, a local partnership combining private and public sector entities.

The substation project is designed to support a massive datacentre facility planned for the same region. Reports from the previous year indicated that the UK government had selected Teesworks as the location for a new artificial intelligence datacentre, with planning applications submitted for a development covering nearly 500,000 square metres. The substation could provide up to 3.2 gigawatts of electrical capacity to the facility.

Local and national officials have emphasized the strategic importance of the infrastructure investment. Ben Houchen, the mayor of the Tees Valley combined authority, highlighted that power supply constraints have been a major obstacle to datacentre development in Britain, allowing competitors in the United States, Gulf countries, and parts of Europe to attract investment. He stated that adequate power infrastructure would enable the region to compete for major technology projects and keep sensitive data processing within the country.

The government recently released a draft national policy statement characterizing datacentres as essential infrastructure comparable to railways and electricity networks. However, the expansion of datacentres across the UK has generated significant public opposition, with campaign groups protesting planned projects in various locations. In October, media reports indicated that artificial intelligence companies warned government officials they had approximately 12 months to manage public concerns about datacentres or face large-scale protests similar to those in the United States.

Infrastructure services company Balfour Beatty was reported to be selected to deliver the substation for National Grid, with utilities firm Steel River Power also playing a substantial role in the project.

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