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

El Paso Electric Co.

Electric Utilities

NG US I, Inc.

Electric Utilities

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.

Gas Distributors

The 100 Group

Miscellaneous Commercial Services

National Grid North Sea Link Ltd.

Financial Conglomerates

Lattice Group Ltd.

Financial Conglomerates

National Grid IFA 2 Ltd.

Miscellaneous Commercial Services

National Grid Partners, Inc.

Investment Managers

NatgridTW1 Ltd.

Miscellaneous Commercial Services

National Grid US 6 LLC

Finance/Rental/Leasing

National Grid Jersey Investments Ltd.

Financial Conglomerates

National Grid Ventures Ltd.

EcoChain, Inc.

Data Processing Services

New Energy One Acquisition Corp. Plc

Investment Managers

Active Relations

Past Relations

Connection statistics

Active

Inactive

Listed companies

Private companies

Activities of related companies

Electric Utilities14
Miscellaneous Commercial Services10
Financial Conglomerates6
Investment Managers4
Aerospace & Defense3
Engineering & Construction3
Financial Publishing/Services2
Information Technology Services2
Electrical Products2
Real Estate Development2

Countries of related companies

United Kingdom45
United States28
Ireland2
Canada2
Bulgaria1
Nigeria1
Netherlands1
Brazil1
Finland1
Sweden1
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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