Private company

NESO

NESO is an organisation responsible for operating the electricity system in Great Britain founded in 2017.¹ It is part of National Grid plc.¹

Last updated Oct 21, 2026.

Overview

2017Founded¹

Industryelectric power industry, gas industry¹
Websitewww.nationalgrideso.com

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Corporate structure

NESO 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
- NESO
  - Elexon Subsidiary
- Niagara Mohawk Power Corporation Syracuse, New York, United States
- National Grid US Subsidiary · New York City, United States
- 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.