National Grid

Built World

Set and revised type-testing requirements

Construction crews have started pulling conductors across the towers of Pakistan's first 765 kV transmission line. The Dasu–Islamabad project will carry electricity from the Dasu hydropower complex in the mountainous north to the national grid near the capital.

Updated 1 hour ago

Built World

Owner and developer of Birkhill Wood substation

Balfour Beatty has won the first phase of National Grid's Birkhill Wood 400kV substation in East Yorkshire, the station that will carry power from three planned Dogger Bank wind farms onto the grid. The award came through National Grid's £8 billion Electricity Transmission Partnership, under which Balfour Beatty became delivery partner for North East England in 2025.

Updated Yesterday

New Capabilities

Operating the DLR deployment in western New York

National Grid and LineVision run dynamic line rating sensors on four 115-kilovolt lines in western New York. The sensors measure how much each line sags and the weather around it, then send live capacity readings to grid operators, who can push more power through when conditions allow.

Updated 4 days ago

Rule Changes

Submitted £4.5 billion in transmission upgrade proposals to Ofgem in October 2026; will face new competition for projects

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

Rule Changes

Plaintiff

Eight days after a new transmission line began carrying Quebec hydropower into Massachusetts, Hydro-Québec shut it off. A cold snap had hit eastern North America, and Quebec chose to keep its own lights on first.

Updated Sep 9