Preparing the electricity network for the transition to net zero and maintaining an efficient and secure power supply in England and Wales.

Discover some of the work our teams deliver and find out more about how we work in the articles below.

Close up indicative visualisation of the existing substation (right) and proposed extension (left)

Siting Studies

As the volume of connections increases, new assets are being triggered across our network. But how do we determine their location?

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Substation configuration types

Learn more about the different types of substations which are on our high voltage network.

Bio-diversity Net Gain requirements

Discover how Government Bio-diversity Net Gain requirements influence new connections projects

Substation

The process of substation expansion and creation

What happens when a substation reaches capacity and cannot be expanded?

Substation

The outage connection process

Before a customer is ready to connect, certain processes must be followed. Learn more about how connection outages are scheduled.

Deeside substation

What is a User Self Build?

There are tight rules and regulations that need to be followed, to ensure the network remains safe and secure.

Laying underground cable

Distribution and transmission connections

The differences between high voltage electricity transmission and distribution connections can be complex. So what are the differences?

Code modifications - Transforming the energy networks of the future

How is the power industry regulated in the UK? How can regulations be changed? Read more here.

Two engineers wearing orange high-vis overalls and hard hats at Bicker Fenn Substation
Understand the connections process with our selection of information

Read more about National Grid Electricity Transmission

Discover stories about our business aims and activities

Female LPT worker

Looking to get in touch?

Find out how to contact National Grid Electricity Transmission here

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National Grid Group

Find out more about the National Grid Group here