Private company

NATIONAL GRID NORTH AMERICA INC.

NATIONAL GRID NORTH AMERICA INC. is a corporation registered in Delaware, based in Waltham, part of NATIONAL GRID PLC.¹ It was founded in 2001.

Last updated Oct 20, 2026.

Overview

May 16, 2001Founded¹

HeadquartersWaltham, United States¹
Legal formCorporation¹
LEI5Q3U0WRKWZZGRMPYFT08¹
StatusActive¹
LEI statusIssued and current¹
Registered addressC/O CORPORATION SERVICE COMPANY, 19808 Wilmington, United States¹
Registered withDivision of Corporations, Department of State, 3392761¹

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Corporate structure

NATIONAL GRID NORTH AMERICA INC. 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
  - Elexon 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)

National Grid plc¹

Subsidiaries (GLEIF)

National Grid USA²

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

Timeline

Dec 8, 2017Parent Directly consolidated by National Grid plc¹
May 16, 2001Founded NATIONAL GRID NORTH AMERICA INC. is founded¹

Sources

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