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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsEmergency Standby Battery Supply and Replacement for Jubilee Line Trains
    Awarded contract

    Emergency Standby Battery Supply and Replacement for Jubilee Line Trains

    Awarded
    £1.6m
    Published 11 Nov 2026

    TfL seeks qualified suppliers to supply, refurbish, and maintain emergency standby battery systems for the Jubilee Line Underground fleet as part of the first planned lifecycle replacement programme.

    🇬🇧United Kingdom· LondonPublished 11 Nov 2026· TodayviaFind a Tender
    Awarded
    £1.6m
    Published 11 Nov 2026

    Decision brief

    4 fields
    • Contract value
      £1,610,000
      Pounds sterling
    • Closing date
      Not published
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom
      London

    Suppliers

    1 supplier
    • HI
      HOPPECKE INDUSTRIAL BATTERIES LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published today.

    11 November 2026
    Awarded — no open tender advertised

    Brief

    Transport for London is seeking suppliers to provide emergency standby battery systems and battery trays for the London Underground Jubilee Line fleet (1996 Tube Stock). This safety-critical requirement includes: supplying and installing replacement battery cells; overhauling and refurbishing existing batteries and trays; conducting testing and quality assurance; and providing ongoing lifecycle support and technical assistance. The emergency standby batteries power essential safety systems including emergency lighting, communications, and train control when normal power is lost. This is the first major planned replacement and refurbishment programme for these assets since the fleet's introduction. Suppliers should have expertise in battery systems, rail industry safety standards, and lifecycle asset management.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

    In engineering, TRANSPORT FOR LONDON has awarded 2 contracts to 2 suppliers.

    Who wins here
    1. HOPPECKE INDUSTRIAL BATTERIES LIMITED1× · 50%
    2. DELCORE FIRE ENGINEERING LTD1× · 50%

    Across engineering, the most active winners are GALA LIGHTS LTD, Edmundson Electrical Ltd, SUNBELT RENTALS LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceFind a Tender

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-07b975

    Your fit

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    This went to HOPPECKE INDUSTRIAL BATTERIES LIMITED. Sonar reads TRANSPORT FOR LONDON's work like this against your business — who holds it, and whether you could compete or partner next time.

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    Buyer
    TRANSPORT FOR LONDON
    Sector
    Engineering