Private company

Niagara Mohawk Power Corporation

Electric utility company in New York State, U.S.

Niagara Mohawk Power Corporation was a New York State utility company that was acquired in 2000 by National Grid plc. The Niagara Mohawk Power Corporation designation was subsequently retired, using variations of NationalGridUS (such as National Grid Buffalo), though its official designation on annual reports is still Niagara Mohawk Power Corporation.2 It is headquartered in Syracuse.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1929Founded1
  • HeadquartersSyracuse1
  • Legal formNew York Business Corporation1
  • LEI3T97Y9RR5EN5Y18QHB563
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressC/O CORPORATION SERVICE COMPANY, 12207 Albany, United States3
  • Registered withCorporation and Business Entity Database (Division of Corporations, State Records and UCC, Department of State), 577263
Meter on the brick Wall, Niagara Mohawk Power Corporation, Syracuse
Photo: Michael Scialdone, CC BY 2.0, via Wikimedia Commons4

Niagara Mohawk Power Corporation was a New York State utility company that was acquired in 2000 by National Grid plc. The Niagara Mohawk Power Corporation designation was subsequently retired, using variations of NationalGridUS (such as National Grid Buffalo), though its official designation on annual reports is still Niagara Mohawk Power Corporation.2

Corporate structure

Niagara Mohawk Power Corporation 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

Ultimate parent

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

Acquisitions

  1. Succeeded Niagara Falls Power Company1

Former names

  • Niagara Hudson Power Corporation1929 to 19501

Timeline

  1. 2000Dissolved Dissolved1
  2. 1950Renamed Name changed to Niagara Mohawk Power Corporation1
  3. 1929Founded Founded1