Our response to coronavirus

Find out how we're working to keep the electricity and gas flowing reliably throughout the outbreak.
Electricity company vehicle with group of men from 1922 - Our history

Our history

National Grid, like most companies of our size, has a long history. We’ve listed some of our main milestones below –?although our full history goes back much further than this.

2019?National Grid separated the UK Electricity System Operator business

2017 National Grid sold a 61% interest in its UK Gas Distribution business?

2016 National Grid separated its UK Gas Distribution business?

2012 New Hampshire electricity and gas distribution businesses sold?

2010 Rights issue raised £3.2 billion?

2008 Ravenswood generation station sold?

2007 UK/?US wireless infrastructure operations and?Basslink electricity interconnector in Australia sold?

2007 KeySpan Corporation acquired?

2006 Rhode Island gas distribution network acquired?

2005 Four UK regional gas distribution networks sold and National Grid adopted as our name?

2004 UK wireless infrastructure network acquired from Crown Castle International Corp?

2002 Niagara Mohawk Power Corporation merged with National Grid in US

2002 National Grid and Lattice Group merged to form National Grid Transco?

2000 Lattice Group demerged from BG and listed separately?

2000 New England Electric System and Eastern Utilities Associates acquired?

1997 Centrica demerged from BG?

1997 Energis demerged from National Grid?

1995 National Grid listed on the London Stock Exchange?

1990 Electricity transmission network in England/?Wales transferred to National Grid on privatisation?

1986 British Gas (BG) privatisation?

    National Grid in the U.S. owns and operates the following historical utilities:

    In Massachusetts:??

    • Massachusetts Electric Company??
    • Nantucket Electric Company?
    • Boston Gas Company??
    • Colonial Gas Company?

    In Rhode Island:?

    • Narragansett Electric Company?

    In New York:?

    • Niagara Mohawk Power Corporation??
    • Brooklyn Union Gas Company??
    • Keyspan Gas East Corporation?

    In New England:??

    • New England Power Company?
    A beach at sunset with the sea coming in and electricity pylons dotted into the distance

    History of electricity transmission in Britain

    Find out more information about National Grid's history, including how our network came together to form the first grid system in the world.

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    An image of National Grid CEO John Pettigrew and another man in safety gear in front of a gas holder

    History of gas transmission in Britain

    Find out more information about Britain's 200 years in the gas industry, including details of National Grid's own contributions to the energy market.

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    Vision and strategy

    Discover our vision and strategic priorities.

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    What we do

    What we do in the UK, the US and in National Grid Ventures.

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