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

When more connections wish to export or import extra energy to or from the grid certain works can be needed to accommodate the extra capacity. But what do these works include?

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

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

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

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

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

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

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

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

Discover stories about our business aims and activities

Find out how to contact National Grid Electricity Transmission here

Find out more about the National Grid Group here