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US principal operations

We are making energy more affordable, safe, and reliable for all customers. We’re doing all this through infrastructure investments, energy efficiency, and economic development.

We aspire to be a great operating company in many ways. We’re making rate cases a priority (these determine our regulatory funding) and becoming a clean energy company. We’re also investing in innovation, including large-scale solar, battery storage, green transportation, electricity transmission projects and natural gas pipelines.

The work we are doing with Grid Modernization in Massachusetts, with Reforming the Energy Vision (REV) in New York and with the New Energy initiative in Rhode Island, will help us grow our core business and give generations to come, safe, reliable, affordable energy.

To find out more, visit our US website.

Overview of our US operations

Electricity

We both own and operate transmission facilities across upstate New York, Massachusetts, New Hampshire, Rhode Island and Vermont. We own and operate electricity distribution networks in upstate New York, Massachusetts and Rhode Island, serving approximately 3.4 million customers. The assets we operate include 14,219 kilometres (8,835 miles) of overhead line, 377 transmission substations and 763 distribution substations.

Gas

We own and operate gas distribution networks across the north eastern US, located in upstate New York, New York City, Long Island, Massachusetts and Rhode Island. Our networks deliver gas to approximately 3.6 million customers.

Other non-regulated activities

Some of our US businesses are not subject to state or federal rate-making authority. These include interests in some of our LNG operations and some gas transmission pipelines.

UK principal operations

Electricity transmission, gas transmission and system operation

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National Grid Ventures

Our commercial operations, strategy and new business development

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