National Grid is an international electricity and gas company and one of the largest investor-owned energy companies in the world.
The company plays a vital role in delivering gas and electricity to millions of people across Great Britain and northeastern U.S. in an efficient, reliable and safe manner. We are committed to safeguarding our global environment for future generations and providing all our customers with the highest standards of service through investment in our networks and through our talented, diverse workforce.
In the U.S., National Grid distributes electricity to nearly five million customers in Massachusetts, New Hampshire, New York and Rhode Island. Owning 4,160 megawatts of electricity generation, it is the largest power producer in New York State supplying power to over one million customers on Long Island. It is also the largest distributor of natural gas in the northeastern U.S., delivering gas to 3.4 million customers in New York, Massachusetts, New Hampshire and Rhode Island.