50

Listed companies

33

Private companies

160

Insiders

Relation chart of related listed companies: National Grid plc

Active Relations

Past Relations

Related listed companies: National Grid plc

Active Relations

Past Relations

Relationship chart for related private companies: National Grid plc

Active Relations

Past Relations

Related private companies: National Grid plc

National Grid Electricity Transmission Plc

Electric Utilities

The Institution of Engineering & Technology

Imperial College London

Other Consumer Services

Institute of Chartered Accountants in England & Wales

Miscellaneous Commercial Services

MTI Instruments, Inc.

Metal Fabrication

American Gas Association

Miscellaneous Commercial Services

Greater Houston Partnership Inc

Investment Trusts/Mutual Funds

Chartered Management Institute

Miscellaneous Commercial Services

National Grid (US) Holdings Ltd.

Miscellaneous Commercial Services

National Grid Gas Holdings Ltd.

Financial Conglomerates

National Grid Commercial Holdings Ltd.

Electric Utilities

National Grid Twelve Ltd.

Financial Conglomerates

National Grid (US) Investments 4 Ltd.

Miscellaneous Commercial Services

National Grid Interconnectors Ltd.

Electric Utilities

National Grid (US) Partner 1 Ltd.

Financial Conglomerates

The GridWise Alliance

Electric Utilities

National Grid North America, Inc.

National Grid North Sea Link Ltd.

National Grid Partners, Inc.

National Grid Jersey Investments Ltd.

National Grid Ventures Ltd.

New Energy One Acquisition Corp. Plc

Active Relations

Past Relations

Connection statistics

Active

Inactive

Listed companies

Private companies

Activities of related companies

Electric Utilities11
Miscellaneous Commercial Services7
Engineering & Construction4
Financial Conglomerates3
Aerospace & Defense2
Household/Personal Care2
Oil & Gas Production2
Real Estate Development2
Investment Trusts/Mutual Funds1
Pulp & Paper1

Countries of related companies

United Kingdom44
United States29
Ireland2
Bulgaria1
Nigeria1
Australia1
Canada1
Netherlands1
Brazil1
Finland1
Logo National Grid plc
National Grid plc specializes in owning and operating electricity and gas networks. Net sales break down by activity as follows: - transmission and distribution of electricity and gas in the United States (59.8%); - electricity transmission in the United Kingdom (13.5%): owning, at the end of March 2025, a network of over 7,000 km of overhead power lines and over 300 substations; - electricity distribution in the United Kingdom (13.2%): electricity distribution (over 220,000 km of overhead lines and underground cables, and over 185,000 substations); - operation of electricity networks for transmission operators in the United Kingdom (5.5%); - other (8%): telecom and interconnection activities among the various domestic electrical networks, liquefied natural gas storage activities, etc. Net sales are distributed geographically as follows: the United Kingdom (36.5%) and the United States (63.5%).
Employees
31,654
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