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National Grid plc is a British multinational electricity and gas utility company headquartered in London, England. Its principal activities are in the United Kingdom, where it owns and operates electricity and natural gas transmission networks, and in the
Northeastern United States The Northeastern United States (also referred to as the Northeast, the East Coast, or the American Northeast) is List of regions of the United States, census regions United States Census Bureau. Located on the East Coast of the United States, ...
, where as well as operating transmission networks, the company produces and supplies electricity and gas, providing both to customers in
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
and
Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
. National Grid plc is one of the largest investor-owned utility companies in the world; it has a primary listing on the
London Stock Exchange The London Stock Exchange (LSE) is a stock exchange based in London, England. the total market value of all companies trading on the LSE stood at US$3.42 trillion. Its current premises are situated in Paternoster Square close to St Paul's Cath ...
where it is a constituent of the
FTSE 100 Index The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" , is the United Kingdom's best-known stock market index of the 100 most highly capitalised blue chips listed on ...
, and a secondary listing in the form of its American depositary receipts on the
New York Stock Exchange The New York Stock Exchange (NYSE, nicknamed "The Big Board") is an American stock exchange in the Financial District, Manhattan, Financial District of Lower Manhattan in New York City. It is the List of stock exchanges, largest stock excha ...
.


History


Background (CEGB before 1990)

Before 1990, both the generation and transmission activities in
England and Wales England and Wales () is one of the Law of the United Kingdom#Legal jurisdictions, three legal jurisdictions of the United Kingdom. It covers the constituent countries England and Wales and was formed by the Laws in Wales Acts 1535 and 1542. Th ...
were under the responsibility of the
Central Electricity Generating Board The Central Electricity Generating Board (CEGB) was responsible for electricity generation, transmission and bulk sales in England and Wales from 1958 until privatisation of the electricity industry in the 1990s. It was established on 1 Januar ...
(CEGB). The present
electricity market An electricity market is a system that enables the exchange of electrical energy, through an electrical grid. Historically, electricity has been primarily sold by companies that operate electric generators, and purchased by consumers or electr ...
in the United Kingdom was built upon the breakup of the CEGB into four separate companies in the 1990s. Its generation (or upstream) activities were transferred to three generating companies — PowerGen,
National Power National power is defined as the sum of all resources available to a nation in the pursuit of national objectives. Assessing the national power of political entities was already a matter of relevance during the classical antiquity, the Middle Ages ...
, and Nuclear Electric (later
British Energy British Energy was the UK's largest electricity generation company by volume, before being taken over by Électricité de France (EDF) in 2009. British Energy operated eight former UK state-owned nuclear power stations and one coal-fired power ...
, eventually
EDF Energy EDF Energy is a British integrated energy company, wholly owned by the French state-owned EDF (Électricité de France), with operations spanning electricity generation and the sale of natural gas and electricity to homes and businesses throug ...
)—and its transmission (or downstream) activities to the National Grid Company.


National Grid and acquisitions (1990–1999)

In 1990, the transmission activities of the CEGB were transferred to the National Grid Company plc, which was owned by the twelve regional electricity companies (RECs) through a
holding company A holding company is a company whose primary business is holding a controlling interest in the Security (finance), securities of other companies. A holding company usually does not produce goods or services itself. Its purpose is to own Share ...
,
National Grid Group National Grid plc is a British multinational electricity and gas utility company headquartered in London, England. Its principal activities are in the United Kingdom, where it owns and operates electricity and natural gas transmission networks ...
plc. The company was first listed on the
London Stock Exchange The London Stock Exchange (LSE) is a stock exchange based in London, England. the total market value of all companies trading on the LSE stood at US$3.42 trillion. Its current premises are situated in Paternoster Square close to St Paul's Cath ...
in December 1995.


Expansion and consolidation (2000–2015)

With the beginning of the new millennium, National Grid pursued mergers and international acquisitions. In March 2000, National Grid Group acquired United States companies New England Electric System and Eastern Utilities Associates. In January 2002, National Grid Group acquired
Niagara Mohawk Power Corporation Niagara Mohawk Power Corporation was a New York State utility company, which was acquired in 2000 by National Grid plc. The Niagara Mohawk Power Corporation designation was retired, using variations of NationalGridUS (such as National Grid Buffa ...
, a New York State utility. In October 2002, National Grid Group merged with
Lattice Group Lattice Group plc was a leading British gas transmission business. It was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index. History The Company was established in 2000 when BG Group demerged its UK gas transmiss ...
, owner of the Transco gas distribution business (Lattice had demerged from
BG Group BG Group plc was a British multinational oil and gas company headquartered in Reading, United Kingdom. On 8 April 2015, Royal Dutch Shell announced that it had reached an agreement to acquire BG Group for $70 billion, subject to regulatory an ...
in 2000). National Grid Group changed its name to National Grid Transco plc. It sold the telecoms business 186K Ltd. which was acquired as part of the merger with Lattice Group for a nominal £1 to
Hutchison Whampoa Hutchison Whampoa Limited (HWL) was an investment holding company based in Hong Kong. It was a Fortune Global 500 company and one of the largest companies listed on the Hong Kong Stock Exchange. HWL was an international corporation with a dive ...
in December 2002. In 2004, the company was found liable for a gas explosion in
Transco plc v HM Advocate ''Transco plc v Her Majesty's Advocate'is a Scots criminal law case that involved the first Scottish prosecution of a public limited company for culpable homicide.Chalmers, J. (2004) ‘Corporate Culpable Homicide: Transco plc v H M Advocate ...
and subsequently fined £15 million. In August 2004, National Grid Transco agreed to sell four of its regional gas distribution networks for a total cash consideration of £5.8 billion. NGT kept ownership of four other distribution networks, which make up almost half of Great Britain's gas distribution network. In July 2005, National Grid Transco was renamed National Grid plc. On 26 July 2005, National Grid Company was renamed National Grid Electricity Transmission plc, and on 10 October 2005, Transco was renamed National Grid Gas plc. In February 2006, National Grid announced that it had agreed to buy KeySpan Corporation, a gas distributor and electricity producer in the United States, for $7.3bn (£4.1bn) in cash. Around the same time, National Grid also announced the acquisition of New England Gas Company, a Rhode Island subsidiary of
Southern Union Company Southern Union Company was a natural gas utility and energy resources company based in Houston, Texas. In 2012, the company was acquired by Energy Transfer Partners. The company owned and operated more than of gathering and transportation pipe ...
. The acquisitions of the two natural gas delivery companies doubled the size of National Grid's American subsidiary, creating the second largest utility in the United States with more than 8 million customers. The acquisition of KeySpan was completed on 24 August 2007, following government and regulatory approval and endorsement by the shareholders of the two companies. In May 2007, National Grid formed a
joint venture A joint venture (JV) is a business entity created by two or more parties, generally characterized by shared ownership, shared returns and risks, and shared governance. Companies typically pursue joint ventures for one of four reasons: to acce ...
with the Dutch transmission operator
TenneT TenneT is a transmission system operator in the Netherlands and in a large part of Germany. ''TenneT B.V.'' is the national electricity transmission system operator of the Netherlands, headquartered in Arnhem. Controlled and owned by the Dutch ...
for a 1,000 MW
BritNed BritNed is a 1,000MW high-voltage direct-current (HVDC) submarine power cable between the Isle of Grain in Kent, the United Kingdom; and Maasvlakte in Rotterdam, the Netherlands. The BritNed interconnector would serve as a link for the fore ...
DC link between the
Isle of Grain Isle of Grain (Old English ''Greon'', meaning gravel) is a village and the easternmost point of the Hoo Peninsula within the unitary authority, district of Medway in Kent, south-east England. Once an island and now forming part of the peninsul ...
in
Kent Kent is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Essex across the Thames Estuary to the north, the Strait of Dover to the south-east, East Sussex to the south-west, Surrey to the west, and Gr ...
and
Maasvlakte The Maasvlakte Rotterdam (or simply the Maasvlakte; ) is a massive man-made westward extension of the Europoort port and industrial facility within the Port of Rotterdam. Situated in the municipality of Rotterdam in the Netherlands, the Maa ...
, near
Rotterdam Rotterdam ( , ; ; ) is the second-largest List of cities in the Netherlands by province, city in the Netherlands after the national capital of Amsterdam. It is in the Provinces of the Netherlands, province of South Holland, part of the North S ...
. The installation of the first section of cable link started on 11 September 2009, and the entire cable was completed in October 2010. The interconnection became operational on 1 April 2011, and by January 2012, electricity flow had mostly been from the Netherlands to the United Kingdom.Justin Wilkes et al
''The European offshore wind industry: key 2011 trends and statistics''
European Wind Energy Association WindEurope is an association promoting the use of wind power in Europe. Based in Brussels Brussels, officially the Brussels-Capital Region, (All text and all but one graphic show the English name as Brussels-Capital Region.) is a Communiti ...
, January 2012. p. 22. Accessed: 26 March 2012.
The BritNed interconnection would serve as a vital link for the foreseeable European super grid project. In the spring of 2011, National Grid sold off its services in
New Hampshire New Hampshire ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
, after their request to increase gas and electric rates was denied.


2015–2021

In November 2015, it was announced that
Steve Holliday Steven John Holliday (born 26 October 1956) is a British businessman and engineer. He was the chief executive officer (CEO) of the British utility company National Grid from 2007 to 2016. Holliday worked at Exxon for 19 years from 1978 to 1997, ...
, the CEO for ten years, would leave in March 2016 and that John Pettigrew, its executive director who joined National Grid twenty five years earlier, would succeed him. In June 2016, the Energy Select Committee argued that the company faced too many conflicts of interest, particularly with regard to its ownership of international interconnectors. The committee proposed that the company should be split up. In December 2016, National Grid agreed to sell a 61% stake in its gas distribution business to a consortium of Macquarie Infrastructure and Real Assets, Allianz Capital Partners, Hermes Investment Management, CIC Capital Corporation,
Qatar Investment Authority The Qatar Investment Authority (QIA; ) is Qatar's sovereign wealth fund. The QIA was founded by the State of Qatar in 2005 to strengthen the country's economy by diversifying into new asset classes. In November 2024, the QIA had an estimated $526 ...
, Dalmore Capital and Amber Infrastructure Limited, with a further 14% stake under negotiation. The sale was completed on 31 March 2017, following clearance by the
European Commission The European Commission (EC) is the primary Executive (government), executive arm of the European Union (EU). It operates as a cabinet government, with a number of European Commissioner, members of the Commission (directorial system, informall ...
, and the resulting company was named
Cadent Gas Cadent Gas is a British regional gas distribution company that owns, operates and maintains the largest natural gas distribution network in the United Kingdom, transporting gas to 11 million homes and businesses across North West England, We ...
. National Grid disposed of its remaining 39% holding in Cadent Gas in June 2019. In July 2019, National Grid's Electricity System Operator arm, separately from its Electricity Transmission arm, announced its intent to join the
Powering Past Coal Alliance The Powering Past Coal Alliance (PPCA) is a group of 186 countries, cities, regions and organisations aiming to accelerate the coal phase-out of coal-fired power stations, except the very few which have carbon capture and storage. It has been de ...
, furthering its goal of becoming a zero carbon electricity system by 2025. At the time of its announcement, National Grid was the largest energy company based in the United Kingdom to join the alliance, according to publicly available financial figures of 2018. Later in the year, the company moved ownership of its operations in the United Kingdom to Luxembourg and Hong Kong, to protect itself from Labour's nationalisation plans. A spokesman said, "Labour's proposals for state ownership of National Grid would be highly detrimental to millions of ordinary people who either hold shares in the company or through their pension funds." The Labour Party said the "rip off" move showed the grid needed to be in public hands.


2021–present

In March 2021, National Grid announced it intended to purchase
Western Power Distribution Western Power Distribution is a trade name formerly used by four electricity distribution companies in the United Kingdom: WPD South West (operating in South West England), WPD South Wales (in South Wales) and WPD Midlands (two companies, in t ...
from
PPL Corporation PPL Corporation is an energy company headquartered in Allentown, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania. The company is publicly traded on the New York Stock Exchange as and is part of the S&P 500. As of 2022, the compa ...
for £7.8 billion, and sell its Rhode Island gas and electricity network, Narragansett Electric Company, to PPL for about £2.7 billion. National Grid will also sell its majority ownership of the UK gas transmission business. These transactions are subject to shareholder and regulatory approval. Separately, the company is to commence a process to sell a majority stake in its National Grid Gas distribution network. In 2022, National Grid announced plans to divest a 60% stake in its UK gas transmission and metering business to a consortium including Macquarie Asset Management and
British Columbia Investment Management Corporation British Columbia Investment Management Corporation which uses the trade name BCI, is a Canadian company established by way of the 1999 ''Public Sector Pension Plans Act'' to provide investment services to British Columbia’s public sector pensi ...
. The deal was completed on 31 January 2023, forming a new entity named National Gas. The deal was worth around £2.2 billion for National Grid. In July 2023, it was announced that Macquarie acquired a further 20% stake in National Gas, taking its holding to 80%, in a deal worth a further £700 million. The Macquarie-led consortium has the option to buy the final 20% of the company on comparable terms between May and July next year. The UK’s 2023 Energy Act established an independent system planner and operator, creating the National Energy System Operator (NESO), nationalizing the transmission grid owned by National Grid.


United Kingdom operations

National Grid plc has a number of subsidiary companies.


Electricity


Transmission

National Grid Electricity Transmission plc (until 2005, named National Grid Company) owns and maintains the National Grid – the 275kV and 400kV electricity transmission network in
England and Wales England and Wales () is one of the Law of the United Kingdom#Legal jurisdictions, three legal jurisdictions of the United Kingdom. It covers the constituent countries England and Wales and was formed by the Laws in Wales Acts 1535 and 1542. Th ...
. (The electricity transmission network in
Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
is owned by
ScottishPower Scottish Power Limited, trading as ScottishPower, is a vertically integrated energy company based in Glasgow, Scotland. It is a subsidiary of Spanish utility firm Iberdrola. ScottishPower is the distribution network operator for Central and ...
in central and southern Scotland, and
SSE plc SSE plc (formerly Scottish and Southern Energy plc) is a multinational energy company headquartered in Perth, Scotland. It is listed on the London Stock Exchange, and is a constituent of the FTSE 100 Index. SSE operates in the United Kingdom a ...
in northern Scotland). Other subsidiaries part-own (with RTE) and operate the 2,000 Megawatt
HVDC Cross-Channel The HVDC Cross-Channel () is the high-voltage direct current (HVDC) interconnector that has operated since 1986 under the English Channel between the continental European grid at Bonningues-lès-Calais and the British electricity grid at Se ...
interconnector to France, and part-own (with
TenneT TenneT is a transmission system operator in the Netherlands and in a large part of Germany. ''TenneT B.V.'' is the national electricity transmission system operator of the Netherlands, headquartered in Arnhem. Controlled and owned by the Dutch ...
) the 1,000 Megawatt
BritNed BritNed is a 1,000MW high-voltage direct-current (HVDC) submarine power cable between the Isle of Grain in Kent, the United Kingdom; and Maasvlakte in Rotterdam, the Netherlands. The BritNed interconnector would serve as a link for the fore ...
HVDC A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. Most HVDC links use voltages betwe ...
interconnector to the Netherlands. In the past, National Grid operated the electricity transmission networks in England and Wales and Scotland in its role as the
transmission system operator File:Electricity grid simple- North America.svg, 380px, Simplified diagram of AC electricity grid from generation stations to consumers in North America rect 2 243 235 438 Power station rect 276 317 412 556 Transformer rect 412 121 781 400 Elect ...
for Great Britain, working to balance supply and demand in real time, as well as coordinating markets and auctions to ensure sufficient future supply, and exploring initiatives such as
demand-side response Energy demand management, also known as demand-side management (DSM) or demand-side response (DSR), is the modification of consumer demand for energy through various methods such as financial incentives and behavioral change through education. Us ...
measures to reduce peaks in electricity demand. Rulings by
Ofgem The Office of Gas and Electricity Markets (Ofgem) is the government regulator for the electricity and downstream natural gas markets in Great Britain. It was formed by the merger of the Office of Electricity Regulation (OFFER) and Office of G ...
in 2017 required this function to be moved to a separate subsidiary, which began trading in April 2019. In 2021, Ofgem called for the creation of a fully independent operator in view of potential conflicts of interest from NG's ownership of the transmission network, and in 2022 the UK government confirmed that a fully independent public body – the Future System Operator, covering electricity and gas – would be established. Legislative provisions enabling the creation of the body were included in the Energy Act 2023. In January 2024, it was announced that the body taking on the system operator functions was to be a "new, independent public corporation" named the
National Energy System Operator The National Energy System Operator (NESO) is the nationalised energy system operator for the United Kingdom. Previously owned by National Grid plc, when it was known as National Grid ESO, it is a publicly owned organisation which operates both ...
(NESO). NESO assumed responsibility as transmission system operator for Great Britain from National Grid on 1 October 2024, after the latter agreed a £630 million buyout of its grid operation division by the
UK government His Majesty's Government, abbreviated to HM Government or otherwise UK Government, is the central government, central executive authority of the United Kingdom of Great Britain and Northern Ireland.
.


Distribution

National Grid purchased the UK's largest (by area) electricity distribution business,
Western Power Distribution Western Power Distribution is a trade name formerly used by four electricity distribution companies in the United Kingdom: WPD South West (operating in South West England), WPD South Wales (in South Wales) and WPD Midlands (two companies, in t ...
, from American utility company PPL in 2021. Western Power Distribution operates the electricity distribution system within the Midlands, South West and Wales, looking after the 132, 66, 33, 11, 6.6kV and LV networks comprising substations, overhead lines and underground cables. In September 2022, the company was renamed to National Grid Electricity Distribution.


Gas


Transmission

National Grid formerly owned National Gas (previously National Grid Gas), which owns and operates the gas transmission system in Great Britain and gas metering operations in the UK. National Grid disposed of its final 20% holding in National Gas in July 2024, with the divestment expected to complete in the first quarter of 2025.


Distribution

National Grid's interests in the British gas distribution sector were divested between 2017 and 2019 and now operate under the
Cadent Gas Cadent Gas is a British regional gas distribution company that owns, operates and maintains the largest natural gas distribution network in the United Kingdom, transporting gas to 11 million homes and businesses across North West England, We ...
brand.


Other operations

National Grid Property Portfolio houses all land, offices and depots used for National Grid operations that are surplus to requirements or let to third parties. National Grid has issued invitations to tender which include carbon savings as one of the weighted evaluation factors. Development of a replacement sub-station in
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
, to be completed in phases between 2018 and 2022, was their first tender to include a weighting on carbon. Laing O’Rourke was awarded the winning bid, having demonstrated plans to reduce carbon emissions by 23% along with a £3m cost saving. Their carbon saving proposal equated to taking 7,600 cars off the road for a year.


United States operations

, National Grid United States operates of
electricity transmission Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation. The interconnected lines that facilitate this movement form a ''transmission network''. This is ...
and of gas transmission and delivers electricity and natural gas to areas of the Northeast states of
Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
,
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
, and
Rhode Island Rhode Island ( ) is a state in the New England region of the Northeastern United States. It borders Connecticut to its west; Massachusetts to its north and east; and the Atlantic Ocean to its south via Rhode Island Sound and Block Is ...
. The business serves over 20 million customers in the three states and is headquartered in
Waltham, Massachusetts Waltham ( ) is a city in Middlesex County, Massachusetts, United States, and was an early center for the labor movement as well as a major contributor to the Technological and industrial history of the United States, American Industrial Revoluti ...
, in a green facility. This 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) *
Niagara Mohawk Power Corporation Niagara Mohawk Power Corporation was a New York State utility company, which was acquired in 2000 by National Grid plc. The Niagara Mohawk Power Corporation designation was retired, using variations of NationalGridUS (such as National Grid Buffa ...
(in New York State) * KeySpan Corporation (parts of New York City) * Boston Gas Company (including the former Essex Gas Company, in Massachusetts) * Colonial Gas Company (in Massachusetts) * Providence Gas Company (in Rhode Island) * Narragansett Electric Company in Rhode Island, was sold to
PPL Corporation PPL Corporation is an energy company headquartered in Allentown, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania. The company is publicly traded on the New York Stock Exchange as and is part of the S&P 500. As of 2022, the compa ...
in March 2021, and renamed Rhode Island Energy , National Grid invests over $3.5 billion a year in infrastructure in the United States, having increased its investments into "cleaner, greener technologies" in the previous few years. Examples of projects include an offshore wind farm in Rhode Island, and a battery storage project in Nantucket, Massachusetts. Also in 2019, the company spent $100 million to acquire solar and wind generation from Geronimo Energy, in partnership with Washington State Investment Board.


Controversies

Contract negotiations with Massachusetts gas workers represented by the
United Steelworkers The United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union, commonly known as the United Steelworkers (USW), is a general trade union with members across North America. Headqua ...
broke down in June 2018, and the company locked out more than 1,000 employees, cutting off healthcare and pay. In November 2019, the company squabbled with New York Governor Andrew Cuomo over the company's own moratorium on new natural gas hookups. Cuomo threatened "to revoke the company’s authority to operate its gas franchise in New York City and Long Island, for failing to provide customers with reliable service," according to ''Utility Dive''. Later, in February 2020, it was discovered that the company was constructing a new natural gas transmission line in Brooklyn from Brownsville to Greenpoint. Local activists have pushed back on the project questioning its necessity, safety, additional cost to customers and noting how it will work against the recently enacted New York State Climate Leadership and Community Protection Act. In the years 2012 to 2020, National Grid was accused of manipulating energy efficiency programs and overcharging residents of
Rhode Island Rhode Island ( ) is a state in the New England region of the Northeastern United States. It borders Connecticut to its west; Massachusetts to its north and east; and the Atlantic Ocean to its south via Rhode Island Sound and Block Is ...
by approximately US$2.2 million.


See also

*
European Network of Transmission System Operators for Electricity The European Network of Transmission System Operators for Electricity (ENTSO-E) is an association representing 40 electricity transmission system operators (TSOs) from 36 countries across Europe, thus extending beyond EU borders. It manages the ...
(ENTSO-E) * European Network of Transmission System Operators for Gas (ENTSO-G) *
ISO New England ISO New England Inc. (ISO-NE) is an independent, non-profit regional transmission organization (RTO), headquartered in Holyoke, Massachusetts, serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. ISO-NE oversees ...
*
Transmission system operator File:Electricity grid simple- North America.svg, 380px, Simplified diagram of AC electricity grid from generation stations to consumers in North America rect 2 243 235 438 Power station rect 276 317 412 556 Transformer rect 412 121 781 400 Elect ...


References


External links

*
UK site

UK National Grid Property Portfolio

Profile
at
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{{DEFAULTSORT:National Grid Plc * Energy companies established in 1990 British companies established in 1990 Companies based in London Companies listed on the London Stock Exchange Companies listed on the New York Stock Exchange Electric power distribution Electric power transmission system operators in the United Kingdom Former nationalised industries of the United Kingdom Oil and gas companies of the United Kingdom Utilities of the United Kingdom Energy in New England Energy in New York (state) Hydroelectric power companies of the United States Electric power companies of the United States Natural gas companies of the United States Energy infrastructure on Long Island, New York Companies in the FTSE 100 Index