
OUR PROJECTS & WHO’S INVOLVED
The grid upgrade is one of the country's most significant infrastructure projects, involving multiple organisations working together to strengthen and modernise our electricity network for the changing energy landscape.
OUR TRANSMISSION OWNERS
Three private network operators are responsible for the electricity transmission infrastructure across England, Scotland and Wales, each managing different geographical areas to ensure reliable power delivery across the country.
National Grid

National Grid operates the transmission grid in England and Wales. They look after around 21,000 pylons, more than 300 substations and more than 7,000km of overhead power lines that deliver electricity across the region.
SP Energy Networks

SP Energy Networks (SPEN) operates the transmission grid in central and southern Scotland. They're responsible for maintaining and investing in the high voltage grid including underground and subsea cables and overhead lines across central and southern Scotland.
SSEN Transmission

SSEN Transmission operates the transmission grid in the north of Scotland. They're responsible for maintaining and investing in the high voltage grid including underground and subsea cables and overhead lines throughout northern Scotland.
OUR PROJECTS
Discover the specific grid upgrade projects happening throughout Britain, from new connections for offshore wind farms to bolstering existing infrastructure.

National Grid
Find out what grid upgrade projects are underway across England and Wales to support our transition to clean, reliable electricity.

SP Energy Networks
Explore the grid improvement projects taking place in central and southern Scotland to connect new renewable energy and strengthen our network.

SSEN Transmission
Learn about the transmission projects in northern Scotland that are helping to harness the area's abundant renewable resources.
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