Welcome to National Grid

National Grid in the US

US Site

We're an electricity and natural gas delivery company that supplies energy for more than 20 million people in the northeastern US.

National Grid Group

Group Site

Find corporate information including strategy, governance, investor reports, and how we create long-term value.

National Grid Ventures

Ventures Site

National Grid Ventures is home to a diverse portfolio of energy businesses, helping to build the energy systems of tomorrow.

National Grid in Great Britain

Electricity Transmission

Find information about our electricity transmission assets, and connecting in England and Wales for small and large businesses.

Electricity System Operator

We balance Britain's electricity supply and demand. Find out more about balancing services, connections, codes, and charging.


We own, manage, and operate the national transmission network in Great Britain, making gas available when and where it's needed.