Gas and electricity network route maps

Here you can find out the approximate location of our national gas and electricity transmission networks. You can also check if our transmission networks may be affected by your works by using the Linesearch website

A grey map of Britain on a white background showing where National Grid's gas and electricity networks are

Transmission network shapefiles

These datasets are for indicative purposes only. They can only be used for emergency and land use planning and cannot be used for commercial purposes. They are owned by National Grid and you are required to acknowledge us in your product or application using "© National Grid UK".

This data is supplied on a best-effort basis only, using available information as documented at the time by the transmission network operators. While every effort is made to make sure the information is accurate and up-to-date, we do not accept any liability for any direct, indirect, or consequential loss or damage of any nature--however caused--which may be sustained as a result of reliance upon such information.

The datasets contain gas and electricity transmission data only. For gas or electricity distribution data, please contact the distribution company for your area. You can find your local distribution company by going to the Energy Networks website.

If you are planning to undertake any ground works, please visit the Cadent Gas website or contact the Plant Protection team at least 14 days in advance.

All datasets are accompanied with Gemini 2.2 metadata.

Dates of modification: 

  • Cable – 08 Nov 2017 
  • Gas Pipe – 25 May 2017 
  • Gas Site – 30 Oct 2017 
  • Overhead Lines – 23 Oct 2017 
  • Substation Site – 17 Nov 2017
  • Towers – 23 Oct 2017

Network maps

If you have any National Grid transmission GIS-related enquiries, please email [email protected]

Gas emergencies

If you smell gas or have accidentally hit the NTS pipeline please call us urgently:

0800 111 999