Private company

National Grid USA

Logo: National Grid plc; original uploader was Gr1st at en.wikipedia, Public domain, via Wikimedia Commons4

National Grid USA is a corporation registered in the United States, active since 1998.1 It is headquartered in Waltham, United States.1

National Grid USA (NGUSA) ist ein Tochterunternehmen des britischen Unternehmens National Grid. Der Firmensitz des Unternehmens befindet sich in Westborough, Massachusetts.2 From the German Wikipedia, CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

  • HeadquartersWaltham, United States1
  • Websitewww.nationalgridus.com
  • Legal formDelaware corporation1
  • LEIMOM4570XTJ5YYX7JKH833
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressC/O CORPORATION SERVICE COMPANY, 19808 Wilmington, United States3
  • Registered withDivision of Corporations, Department of State, 29771613

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Corporate structure

National Grid USA is part of a group headed by National Grid plc. 30 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • National Grid plc London, United Kingdom
    • National Grid Electricity Distribution London, United Kingdom
    • NATIONAL GRID NORTH AMERICA INC. Waltham, Massachusetts, United States
      • National Grid USA Waltham, Massachusetts, United States
        • KEYSPAN GAS EAST CORPORATION Subsidiary · Hicksville, New York, United States
        • MASSACHUSETTS ELECTRIC COMPANY Subsidiary · Waltham, Massachusetts, United States
        • NEW ENGLAND POWER COMPANY Subsidiary · Waltham, Massachusetts, United States
    • Niagara Mohawk Power Corporation Syracuse, New York, United States
    • National Grid US Subsidiary · New York City, United States
    • NESO Subsidiary
    • BOSTON GAS COMPANY Subsidiary · Waltham, Massachusetts, United States
    • BRITNED DEVELOPMENT LIMITED Subsidiary · London, United Kingdom
    • Fayette Solar, LLC Subsidiary · Bloomington, Minnesota, United States
    • GRAIN LNG LIMITED Subsidiary · London, United Kingdom
    • NATIONAL GRID (US) HOLDINGS LIMITED Subsidiary · London, United Kingdom
      • NATIONAL GRID (US) INVESTMENTS 4 LIMITED Subsidiary · London, United Kingdom
    • NATIONAL GRID ELECTRICITY DISTRIBUTION (EAST MIDLANDS) PLC Subsidiary · London, United Kingdom
    • NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC Subsidiary · London, United Kingdom
    • NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC Subsidiary · London, United Kingdom
    • NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC Subsidiary · London, United Kingdom
    • NATIONAL GRID ELECTRICITY DISTRIBUTION HOLDINGS LIMITED Subsidiary · London, United Kingdom
    • National Grid Electricity Transmission Subsidiary · United Kingdom
    • NATIONAL GRID HOLDINGS ONE PLC Subsidiary · London, United Kingdom
      • NATIONAL GRID CARBON LIMITED Subsidiary · London, United Kingdom
      • NATIONAL GRID ELECTRICITY SYSTEM OPERATOR LIMITED Subsidiary · London, United Kingdom
    • NATIONAL GRID IFA 2 LIMITED Subsidiary · London, United Kingdom
    • NATIONAL GRID PARTNERS LIMITED Subsidiary · London, United Kingdom
    • Ross County Solar, LLC Subsidiary · Bloomington, Minnesota, United States
    • THE BROOKLYN UNION GAS COMPANY Subsidiary · Brooklyn, New York, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company (GLEIF)

Ultimate parent

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Dec 7, 2018Parent Directly consolidated by NATIONAL GRID NORTH AMERICA INC.3
  2. Dec 10, 1998Founded National Grid USA is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
  4. 4