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A National Grid van working in central England
National Grid plc ( ) is an international, Londonmarker-based utilities company which also operates in other countries, principally its wholly owned subsidiary in the United States. The company adopted its current name in July 2005 when shareholders agreed the change from National Grid Transco plc. It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.

History

Former CEGB

In 1990, the transmission activities of the Central Electricity Generating Board were transferred to the National Grid Company plc, which was owned by the 12 Regional Electricity Companies (RECs) through a holding company, National Grid Group plc. In 1995, shares in this holding company were listed on the stock exchange. Within a year, most of the RECs had disposed of their interests.

Acquisitions

In 2000, National Grid Group acquired New England Electric System and Eastern Utilities Associates.

In January 2002, National Grid Group acquired Niagara Mohawk Holdings, Inc, a New York State utility.

Merger with Transco

In October of the same year, National Grid Group merged with Lattice Group plc, owner of Transco - the UK gas distribution business (Lattice demerged from BG Group in 2000). National Grid Group changed its name to National Grid Transco plc.

In 2004, National Grid Transco agreed to sell four of its regional gas distribution networks. The total cash consideration was £5.8 billion. NGT kept ownership of other four distribution networks, which comprise almost half of Great Britain's gas distribution network.

In 2005, National Grid Transco was renamed National Grid plc. On July 26, 2005 National Grid Company was renamed National Grid Electricity Transmission plc and on October 10, 2005 Transco was renamed National Grid Gas plc.

Further acquisitions

In February 2006, National Grid announced that it had agreed to buy KeySpan Corporation, a gas distributor and electricity producer in the United Statesmarker, for $7.3bn (£4.1bn) in cash. Around the same time, National Grid also announced the acquisition of the Southern Union Company subsidiary, New England Gas Company in Rhode Island. The acquisitions of the two natural gas delivery companies materially doubled the size of National Grid's American subsidiary, creating the second largest utility in the United States with over 8 million customers.

The acquisition of KeySpan was completed on August 24, 2007 following government and regulatory approval and endorsement by the shareholders of the two companies.

Operations

UK

  • National Grid Electricity Transmission plc (formerly National Grid Company)
    Owns and operates the National Grid high-voltage electricity transmission network in England and Wales.

    Since April 1, 2005 it also operates the electricity transmission network in Scotland (although this is still owned by Scottish Power and Scottish & Southern Energy).
  • National Grid Gas plc (formerly Transco)
    Owns and operates the gas transmission network (from terminals to distributors), known as the National Transmission System (NTS), and four distribution networks (from national network to customers): North West of England, East of England (which is split into 2 areas - East Anglia & East Midlands), West Midlands and London; the distribution networks were former regional divisions of British Gas.


USA

  • National Grid USA

    The utility operates over 9,000 miles of electricity transmission and delivers electricity and natural gas to areas of the Northeast states of Massachusettsmarker, New Hampshiremarker, New Yorkmarker, Rhode Islandmarker and Vermontmarker, serving over 3.3 million customers with electrical power and 3.4 million customers with natural gas.
    National Grid USA is currently headquartered in Westborough, Massachusettsmarker but will be moving to a 300,000-square-foot LEED certified "green" headquarters in Waltham, Massachusettsmarker. The US subsidiary carries out its business through a number of subsidiary companies (all doing business as "National Grid"). The main ones are:
    • New England Power Company;
    • Massachusetts Electric Company (in Massachusetts);
    • Nantucket Electric (in Massachusetts);
    • The Narragansett Electric Company (in Rhode Island);
    • Granite State Electric Company (in New Hampshire);
    • Niagara Mohawk Power Corporation (in New York Statemarker);
    • The Brooklyn Union Gas Company (in New York City);
    • KeySpan Gas East Corporation (on Long Islandmarker, NYmarker);
    • Boston Gas Company (in Massachusetts);
    • Colonial Gas Company (in Massachusetts); and
    • EnergyNorth Natural Gas, Inc (in New Hampshire).


See also



References

  1. National Grid avoids £2m tax
  2. UK's National Grid Group buys New England Electric
  3. Another US buy for National Grid
  4. National Grid acquires Niagara Mohawk
  5. Grid and Lattice form utility supergroup
  6. National Grid sells four gas networks
  7. A name change for National Grid
  8. National Grid - Keyspan Merger Provides New Savings And Expanded Resources To New Hampshire Customers
  9. Electric Utility buying Rhode Island Gas Company
  10. National Grid buy US gas company


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