NATIONAL GRID PLC group: subsidiaries and structure
Public Limited Company (PLC) · London, United Kingdom · LEI 8R95QZMKZLJX5Q2XR704
26subsidiaries
2countries
11held directly
8lapsed LEIs
9links on accounts older than 24 months
1,117ISINs of subsidiaries
Summary
NATIONAL GRID PLC is the ultimate parent of 26 subsidiaries with LEIs in 2 countries, as reported to GLEIF. 11 are held directly; the others sit below intermediate companies. The largest numbers are in the United Kingdom (16) and in the United States (10). 8 of the subsidiaries have a lapsed LEI, and 9 links rest on accounts older than 24 months. GLEIF's ISIN mapping lists 11 ISINs for the parent and 1,117 ISINs for its subsidiaries.
Written from GLEIF data using fixed, reviewed sentence templates.
Subsidiaries by country
Data-quality notes (AssetCensus analysis)
No group-level data-quality notes in this data release.
12 subsidiaries have data-quality notes; they are listed on each company page.
Group structure
Indentation shows the direct parent reported to GLEIF.
BRITNED DEVELOPMENT LIMITED United Kingdom
NATIONAL GRID (US) INVESTMENTS 4 LIMITED United Kingdom
NATIONAL GRID ELECTRICITY DISTRIBUTION (EAST MIDLANDS) PLC United Kingdom
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC United Kingdom
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC United Kingdom
NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC United Kingdom
NATIONAL GRID ELECTRICITY DISTRIBUTION HOLDINGS LIMITED United Kingdom
NATIONAL GRID ELECTRICITY DISTRIBUTION PLC United Kingdom
NATIONAL GRID HOLDINGS ONE PLC United Kingdom
NATIONAL GRID IFA 2 LIMITED United Kingdom
BOSTON GAS COMPANY United States
NATIONAL GRID NORTH AMERICA INC. United States
NATIONAL GRID USA United States
KEYSPAN GAS EAST CORPORATION United States
MASSACHUSETTS ELECTRIC COMPANY United States
NEW ENGLAND POWER COMPANY United States
NIAGARA MOHAWK POWER CORPORATION United States
THE BROOKLYN UNION GAS COMPANY United States
NATIONAL GAS TRANSMISSION PENSION TRUSTEE LIMITED United Kingdom lapsed direct parent not in this group view
Subsidiaries
| Company | Country | City | LEI | Accounts year | Notes |
|---|---|---|---|---|---|
| BRITNED DEVELOPMENT LIMITED | United Kingdom | London | 549300UNMZ5NCZ8JSM88 | 2023 | > 24 months |
| GRAIN LNG LIMITED | United Kingdom | London | 549300D7BUM5VN6UJH86 | 2026 | lapsed |
| NATIONAL GAS TRANSMISSION PENSION TRUSTEE LIMITED | United Kingdom | WARWICK | 5493000LZBM9WQDUYZ81 | 2022 | lapsed > 24 months |
| NATIONAL GRID (US) HOLDINGS LIMITED | United Kingdom | LONDON | 549300DFX5Q8F3T2N289 | 2022 | lapsed > 24 months |
| NATIONAL GRID (US) INVESTMENTS 4 LIMITED | United Kingdom | London | 549300RGPL0G1P037966 | 2023 | > 24 months |
| NATIONAL GRID CARBON LIMITED | United Kingdom | LONDON | 5493001J1NTW1K81KG30 | 2023 | lapsed > 24 months |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (EAST MIDLANDS) PLC | United Kingdom | Bristol | 549300KXFU5Q7NZE9L79 | 2025 | |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC | United Kingdom | Bristol | 549300RHOCSNK1FZ4116 | 2025 | |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC | United Kingdom | Bristol | 549300UY9FEOG85HFK93 | 2025 | |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC | United Kingdom | Bristol | 549300L22M2RCLXON143 | 2025 | |
| NATIONAL GRID ELECTRICITY DISTRIBUTION HOLDINGS LIMITED | United Kingdom | Bristol | 549300VZC236TBF4Q453 | 2023 | > 24 months |
| NATIONAL GRID ELECTRICITY DISTRIBUTION PLC | United Kingdom | Bristol | 549300HFCD0G1TPU4N09 | 2025 | |
| NATIONAL GRID ELECTRICITY SYSTEM OPERATOR LIMITED | United Kingdom | LONDON | 549300Y4N7FKSD848P40 | 2023 | lapsed > 24 months |
| NATIONAL GRID HOLDINGS ONE PLC | United Kingdom | London | 6S9CGO00CJ130HPIHU97 | 2026 | |
| NATIONAL GRID IFA 2 LIMITED | United Kingdom | London | 5493005R0G57K0UGJR86 | 2023 | > 24 months |
| NATIONAL GRID PARTNERS LIMITED | United Kingdom | LONDON | 213800CQZD6Z4JPRO604 | 2023 | lapsed > 24 months |
| BOSTON GAS COMPANY | United States | BOSTON | FN7P4E7K9JOBORDEUX61 | 2025 | |
| Fayette Solar, LLC | United States | Raleigh | 2549006ZML4PIXV4NG49 | 2025 | lapsed |
| KEYSPAN GAS EAST CORPORATION | United States | ALBANY | K8TS3HOE1568DUBUJL44 | 2025 | |
| MASSACHUSETTS ELECTRIC COMPANY | United States | BOSTON | 549300XN8GZY5U5O1B96 | 2025 | |
| NATIONAL GRID NORTH AMERICA INC. | United States | WILMINGTON | 5Q3U0WRKWZZGRMPYFT08 | 2025 | |
| NATIONAL GRID USA | United States | WILMINGTON | MOM4570XTJ5YYX7JKH83 | 2025 | |
| NEW ENGLAND POWER COMPANY | United States | BOSTON | 549300DTVRGN9GYD5U85 | 2025 | |
| NIAGARA MOHAWK POWER CORPORATION | United States | ALBANY | 3T97Y9RR5EN5Y18QHB56 | 2025 | |
| Ross County Solar, LLC | United States | Wilmington | 2549002PP5AK515SPP16 | 2025 | lapsed |
| THE BROOKLYN UNION GAS COMPANY | United States | ALBANY | 83BQ1DXS6VA5GZFK8S35 | 2025 |