National Grid North West London substation upgrades
The contract covers 400kV equipment modifications and asset installation or relocation at three substations.
- Publish date: 2026-08-20
- Category: EPC Contractors
- Original source: Laing O’Rourke
- Reading time: 1 min
Reported scope and milestone
Laing O’Rourke: The contract covers 400kV equipment modifications and asset installation or relocation at three substations.
Engineering interpretation
The package modifies 400kV equipment and relocates or installs assets at three substations; works are delivered at live transmission interfaces.
Delivery responsibilities
The reported construction package defines the contractor’s delivery responsibilities. Civil works, building services, installation and commissioning may sit with different contractors or joint-venture partners. The full project budget is distinct from an individual contractor’s award. Contract award, site mobilization, practical completion and operation are separate milestones; planned dates and capacity remain prospective until the owner confirms delivery. The source-defined scope therefore matters when comparing a civil contractor, a construction manager and an integrated design-and-build provider.