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

Learn more about the different types of substations which are on our high voltage network, and which will continue to be built in future.

Discover how Government Bio-diversity Net Gain requirements might influence new connections projects, and the ways in which NGET work to protect the environment when building new assets.

The differences between high voltage electricity transmission and distribution connections can be varied and complex. Generally, some limits of capacity and voltage classifications can be applied. But this isn’t always the case.

So, what are the differences?

Before a customer is ready to connect, certain processes must be followed to ensure the safe operation of the network and surrounding equipment. Read to learn more about how connection outages are scheduled.

A variety of assets across generation, such as solar and wind, or large scale demand users, such as data factories connect directly into our substations. But what happens when a substation reaches capacity and cannot be expanded due to physical, geographical or system limitations?

Some customers choose to undertake a User Self Build and construct their own high voltage network connection assets. But there are tight rules and regulations that need to be followed, to ensure the network remains safe and secure.

How is the power industry regulated in the UK? Can regulations be changed where necessary? Our ET Commercial Strategy team explains industry codes, the activities they regulate and how they’re modified, ahead of potential reform to these processes over the next few years.