We are becoming a separate company

In April 2019, Electricity Transmission is becoming a separate company within the National Grid Group. Find out more about what this change will mean.

Network route maps

Here you can find out the approximate location of our national electricity transmission network. 

You can also check if your works will affect our transmission network by using the Linesearch website.

If you have any questions about our network assets, please contact Cadent's Plant Protection team on 0800 688 588 or email: [email protected]

 

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 electricity transmission data only. For 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 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
  • Overhead Lines – 23 Oct 2017 
  • Substation Site – 17 Nov 2017
  • Towers – 23 Oct 2017

Electricity network maps

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Power cuts

If you’re experiencing a power cut, you should call 105. Do not call your electricity supplier. Electricity suppliers sell consumers energy and are not responsible for power lines. Calling 105 is a free service.

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Who is my distribution network operator?

When you call 105 you’ll be put through to your distribution network operator. Or you can find out which one is yours by visiting this page.

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