14-08-2026 08:59 via constructionenquirer.com

Laing O’Rourke and HMJV lead £1bn Grid upgrade for AI boom

Laing O’Rourke and the Hochtief Murphy joint venture have landed the headline construction packages on National Grid’s major North West London Upgrade.
The programme will strengthen the electricity transmission network between Bedfordshire, Hertfordshire and North West London while creating enough capacity to connect five new data centres with a combined demand of 1GW.
Laing O’Rourke will deliver new and upgraded substations at Letchmore Heath, Elstree and St John’s Wood.
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