National Grid plc

Headquarters: London, United Kingdom

Founded: 1990

Employees: 23,683

LSE: NG. -10.57%

Market Cap

£39.65 Billion

GBP as of Jan. 1, 2024

US$50.48 Billion

Market Cap History

Company Description

National Grid PLC is a multinational electricity and gas utility company. It primarily operates in electricity transmission and gas distribution in the United Kingdom and the United States, managing operations directly or through subsidiary companies.

National Grid plc market capitalization over time

Evolution of National Grid plc market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of National Grid plc

Detailed Description

National Grid plc transmits and distributes electricity and natural gas. It operates through UK Electricity Transmission, UK Gas Transmission, US Regulated, and National Grid Ventures (NGV) and Other segments. The UK Electricity Transmission segment owns and operates electricity transmission networks, which comprise approximately 7,212 kilometers of overhead lines; 2,239 kilometers of underground cables; and 347 substations in England and Wales, as well as Scottish electricity transmission systems. The UK Gas Transmission segment owns and operates gas transmission systems that include approximately 7,630 kilometres of high-pressure pipes; and 24 compressor stations connecting to 8 distribution networks in Great Britain, as well as third-party independent systems and liquefied natural gas (LNG) storage facilities. The US Regulated segments owns and operates transmission facilities across upstate New York, Massachusetts, New Hampshire, Rhode Island, and Vermont; and electricity distribution networks in upstate New York, Massachusetts, and Rhode Island. Its assets comprise 14,659 kilometres of overhead lines, 169 kilometres of underground cables, and 396 transmission substations; an electricity distribution network of approximately 117,488 circuit kilometres and 730 distribution substations; a network of approximately 57,425 kilometres of gas pipeline; and approximately 801 kilometres of gas transmission pipes. The NGV and Other segment engages in the energy metering business; transporting renewable energy long distances through its electricity interconnectors; and storing LNG, as well as property development and insurance activities in the United Kingdom and United States. The company was founded in 1990 and is headquartered in London, the United Kingdom.

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Product & Services

Electricity transmissionGas distributionGas transmission

Key People

Sir Peter Gershon (chair­person)  John Pettigrew (CEO)


Revenue: £14.779 billion (2021)

Operating income: £2.926 billion (2021)

Net income: £1.641 billion (2021)

Total assets: £67.216 billion (2021)

Total equity: £19.860 billion (2021)



1-3 Strand

London, WC2N 5EH

United Kingdom

Phone: 44 20 7004 3000