Group Structure

Corporate ownership hierarchy and control relationships

1 Parent 93 Subsidiaries

Parent Companies

Company NameCompany IDCountryOwnership
NATIONAL GRID PLCUK-04031152united kingdom75-100%

NATIONAL GRID HOLDINGS ONE PLC

UK-02367004

Subsidiary Companies

Company NameCompany IDCountryOwnershipDepth
ICELINK INTERCONNECTOR LIMITED UK-08082355united kingdom75-100%Level 1
LATTICE GROUP LIMITED +4UK-03900804united kingdom75-100%Level 1
NATIONAL GRID BELGIUM LIMITED UK-08288450united kingdom75-100%Level 1
NATIONAL GRID CARBON LIMITED +1UK-03932833united kingdom75-100%Level 1
NATIONAL GRID DISTRIBUTED ENERGY LIMITED UK-10525864united kingdom75-100%Level 1
NATIONAL GRID DISTRIBUTED ENERGY LIMITED UK-10525864united kingdom75-100%Level 1
NATIONAL GRID ELECTRICITY DISTRIBUTION HOLDINGS LIMITED +1UK-10991462united kingdom75-100%Level 1
NATIONAL GRID HOLDINGS LIMITED +8UK-03096772united kingdom75-100%Level 1
NATIONAL GRID HYDROGEN LIMITED UK-13934690united kingdom75-100%Level 1
NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITED +8UK-08169384united kingdom75-100%Level 1
NATIONAL GRID INTERCONNECTORS LIMITED UK-03385525united kingdom75-100%Level 1
NATIONAL GRID THIRTY FIVE LIMITED UK-05284987united kingdom75-100%Level 1
NATIONAL GRID UK LIMITED +2UK-04508773united kingdom75-100%Level 1
NATIONAL GRID VENTURES LIMITED UK-08116497united kingdom75-100%Level 1