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



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

National Grid Ventures

Invests in energy businesses in competitive markets across the US and UK, delivering stable, long-term value.

National Grid Partners

Makes and manages strategically and financially attractive investments and leads company-wide innovation efforts.

Great Britain

Electricity Transmission

Find information about our electricity transmission assets, and connecting your energy project in England and Wales.

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.