Our response to coronavirus

Find out how we're working to keep the electricity and gas flowing reliably throughout the outbreak.
  • 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.

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

4,481 miles of overhead line

1,416 miles of underground cable

347 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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Connections application guide

If you’re applying to connect to the transmission network in England and Wales, then our handy guide will help you complete your National Grid ESO application form.

Our connections application guide includes information on:

  • the different types of application
  • how to fill in each section of your form
  • what to include with your form
  • what to do after you’ve completed your form
  • the contact details you’ll need.

 Download guide

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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