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.
  • Transitioning to a world of electric vehicles

    The momentum behind the decarbonisation of transport is now clearer than ever

  • Get connected in England and Wales

    Our experts will guide you through the whole process

  • Building an innovative future for energy networks - 2018 LCNI conference

We own the electricity transmission network in England and Wales, helping to connect large or small energy projects. Discover how we work with stakeholders to improve our network, and how we’re innovating for the future.

Our transmission network

4,474 miles of overhead line

969 miles of underground cable

346 substations

Get connected

Find out how to get connected to the electricity transmission system in England and Wales – whether you have a large or small energy project.

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Planning together

Discover how we’re involving our stakeholders in the way we’re shaping our business for the RIIO T-2 price control. Find out how to share your views.

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Network and assets

Learn more about our network and the assets that help keep energy flowing from where it’s generated and on to the distribution network.

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Imagining tomorrow

Discover how we’re turning great ideas into solutions so we can provide the energy system of the future. Read articles from our leading engineers and experts.

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Infrastructure projects

We’re building new infrastructure to connect new energy sources and maintain the high levels of safety and reliability that everyone has become accustomed to. Find out about the large-scale development projects we are working on, including public consultations and how to let us know your views. 

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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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