National Grid | 336,060 followers on LinkedIn. Connecting millions of people to the energy they use, while making the energy system clean, fair, and affordable. | National Grid lies at the heart of a transforming energy system. Our business areas play a vital role in connecting millions of people to the energy they use, while continually seeking ways to make the energy system clean, fair, and affordable. In the UK we own and develop the high-voltage electricity transmission network in England and Wales, taking electricity from where it’s generated to where it’s needed.