Great British Grid

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UK government creates Great British Grid to speed up transmission build-out

Being established; CATO licence consultation closed October 16, 2026; first tender expected in 2027

Britain's electricity grid must roughly double in capacity this decade to connect offshore wind, data centers, and heat pumps. In late September 2026, Prime Minister Andy Burnham created Great British Grid (GBG), a publicly owned company inside Great British Energy. It will compete with the big network owners to build and own new transmission lines.

Updated Oct 18