Our proposals
Norwich to Tilbury is a proposal to build a new 400 kilovolt electricity transmission connection of approximately 180 kilometres from the Norwich Main substation via Bramford substation, a new East Anglia Connection Node (EACN) Substation and a new Tilbury North Substation.
Our proposals include:
- approximately 159 km of new overhead line supported on approximately 509 steel lattice pylons
- approximately 21 km of 400 kV underground cabling some of which is located through the Dedham Vale National Landscape (formerly known as Dedham Vale AONB)
- seven new CSE compounds, each with a permanent access, to connect the overhead lines to the underground cables
- a new 400 kV East Anglia Connection Node (“EACN”) substation, with a new permanent access, on the Tendring Peninsula
- a new 400 kV Tilbury North Substation to the south of Orsett Golf Course in Thurrock with access options
- modifications to the existing National Grid Electricity Transmission overhead lines, including into and out of the new 400 kV Tilbury North and access options
- substation extension works at the existing Norwich Main and Bramford substations to connect and support operation of the new transmission connection
- temporary works associated with the construction of the Project.
You can find more information in our document library.
Enabling Works
To support the phasing of construction, we have submitted planning applications to local planning authorities for some small, localised enabling works. This is a normal approach for many major infrastructure projects.
You can view our applications, including detailed plans, on local planning authority websites once they have been published. The local authorities will consult on our applications as part of the planning process.