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    ContractsSF6 Leak Repair Services Framework for National Grid Electricity Transmission
    Open tender

    SF6 Leak Repair Services Framework for National Grid Electricity Transmission

    Contract value
    £7.5m
    Published 7 Sept 2026

    NGET seeks approved contractors to deliver SF6 leak repair and emissions reduction services across Great Britain's transmission substations through a standardised 3-year framework agreement.

    🇬🇧United Kingdom· LondonPublished 7 Sept 2026· TodayviaFind a Tender
    Contract value
    £7.5m
    Published 7 Sept 2026

    Decision brief

    4 fields
    • Contract value
      £7,500,000indicative
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Facilities Management
      Browse related listings
    • Location
      🇬🇧United Kingdom
      London

    Lifecycle

    Open

    Open tender — no closing date published. Opened today.

    7 September 2026
    Open tender · no closing date published

    Brief

    National Grid Electricity Transmission (NGET) is establishing a framework contract for Sulphur Hexafluoride (SF6) leak repair and preventative services across its transmission substations in Great Britain. This opportunity is for approved contractors to provide non-intrusive repair solutions for Gas Insulated Switchgear (GIS) and Gas Insulated Busbar (GIB) equipment, including permanent repairs, leak-rate reduction treatments, and preventative interventions. Contractors will design, install, test, inspect and quality assure solutions that maintain asset integrity while reducing SF6 emissions, typically without taking equipment out of service. Key requirements include: ISO 9001-compliant quality management systems, technically robust and evidence-based solutions, and compliance with Construction (Design and Management) Regulations 2015 as Principal Contractor and Principal Designer. The framework standardises contracting arrangements and repair methodologies to enable NGET to efficiently meet SF6 emission reduction targets across its transmission network. Initial term is 3 years with optional 2-year extensions by mutual agreement.

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    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-06f388
    NG
    Buyer
    NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    Sector
    Facilities Management