Hinkley Connection Project

Connecting low carbon energy in the South West

We are in the midst of an energy revolution and National Grid has a central role to play in this fast-changing energy landscape. We’re working to meet ambitious low carbon energy targets, connect new sources of energy to the people who use them, and find innovative ways to enable the decarbonisation of heat and transport.

The Hinkley Connection project is a new high-voltage electricity connection between Bridgwater and Seabank near Avonmouth. It is a significant investment in the region’s electricity network and will enable us to connect new sources of low-carbon energy to homes and businesses, including Hinkley Point C, EDF Energy’s new nuclear power station in Somerset.

It will play a vital role in delivering electricity efficiently, reliably, and safely and will support the UK’s move to reduce carbon emissions.

The new connection will be 57 km long – consisting of 48.5 km of overhead line and 8.5 km of underground cable through the Mendip Hills Area of Outstanding Natural Beauty (AONB).

We are also making significant changes to the local electricity network owned by Western Power Distribution (WPD) by removing 67km of overhead line. See here for further information.

We are constantly looking at new and innovative ways to minimise the impact of our project on the local community and the environment. Not only are we using the new and innovative T-pylon, we are also exploring different, more sustainable approaches to construction that potentially reduce traffic and impact on the environment.


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