Our networks and assets

We own the electricity transmission system in England and Wales (NETS) and the gas transmission system in Great Britain (NTS). The NETS consists of approximately 7,200 kilometres (4,474 miles) of overhead line, 1,500 kilometres (932 miles) of underground cable and 342 substations. The NTS is made up of approximately 7,660 kilometres (4,760 miles) of high-pressure pipe and 618 above-ground installations.

Electricity

Landowners, occupiers, and grantors (electricity)

Our electricity network traverses urban and rural areas of land that are owned and occupied by third parties. Find out more about the main areas of interaction. 

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Planning and development (electricity)

Electricity-related guidance for national, regional, and local planning authorities and other statutory consultees.

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Working near our electricity assets

Guidance and support for working near our electricity transmission assets, including overhead lines and underground cables,.  

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Electricity network route maps

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

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Gas

Landowners, occupiers, and grantors (gas)

Our electricity network traverses urban and rural areas of land that are owned and occupied by third parties. Find out more about the main areas of interaction. 

Find out more

Planning and development (gas)

Gas-related guidance for national, regional, and local planning authorities and other statutory consultees.

Find out more

Working near our gas assets

Guidance and support for working near our gas transmission assets, including gas pipelines.  

Find out more

Gas network route maps

Here you can find out the approximate location of our national gas transmission networks.

Find out more

Gridline magazine

Download the latest version of Gridline, the magazine for landowners.

Gridline Spring 2018

Find more about Gridline