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National Grid | Electricity Transmission



National Grid is the sole electricity transmitter in both England and Wales. It owns and operates an extremely large transmission network that spans over two countries, consisting of 7,200km of overhead line, 690km of underground cable and 337 substations. A substation is where the transformers reduce the extremely large voltages from the transmission lines to enable the electricity to be transferred to the distribution network. This transmission network delivers to the distribution networks around England and Wales, largely contributing to the delivery of electricity to the approximately 58 million people living within the two countries.

As displayed in yellow in the below illustration, one can see the boundaries of the National Grid's transmission network:

If you are interested in a career working for the national grid, whether that be in transmission or another sector within the company, you can click here to visit their careers page. There you can see if there is anything that fits your aspirations

Any customer service quieries that you may have can be resolved by contact the National Grid customer service department via the contact method that best suits you below:

Customer Information
National Grid
0845 835 1111
wecare@nationalgrid.com
Customer Care Enquiries Team
National Grid
Brick Kiln Street
Hinckley
Leicestershire
LE10 0NA

If you would like to learn more about any of the other subcompanies of the National Grid brand, click any of the following links: