Looking for more information about the power cut on 9 August?

Please read our CEO John Pettigrew’s article on how our colleagues within the Electricity System Operator responded.
  • Connections Convention

    Energising the future of electricity - Thursday 5 September 2019, London

  • We continue to build our business plan with you, for you

    Our draft RIIO-T2 business plan is now ready for your feedback.

  • solar panels under a blue sky

    Get connected in England and Wales

    Over the past two years, we've welcomed an increase in solar energy connecting to our network.

  • Get connected in England and Wales

    Smaller scale sources of generation such as wind are connecting directly to our network.

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


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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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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Our commitment to innovation allows us to run, build, and maintain our network more efficiently and effectively, delivering benefits to consumers and shareholders.

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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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