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    ContractsESS Active Cells Facility Electrical Installation - Continuation of Works
    Awarded contract

    ESS Active Cells Facility Electrical Installation - Continuation of Works

    Awarded
    £1.1m
    Published 2 Jun 2026

    Continuation of electrical installation, commissioning and remedial works at the ESS Active Cells Facility in Sweden with the incumbent contractor Optimum Electrical Engineering Ltd.

    🇬🇧United Kingdom· EnglandPublished 2 Jun 2026· 5 months agoviaFind a Tender
    Awarded
    £1.1m
    Published 2 Jun 2026

    Decision brief

    4 fields
    • Contract value
      £1,090,000
      Pounds sterling
    • Closing date
      Not published
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom
      England

    Suppliers

    1 supplier
    • OE
      OPTIMUM ELECTRICAL ENGINEERING LTD
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 5 months ago.

    2 June 2026
    Awarded — no open tender advertised

    Brief

    UKAEA requires continuation of electrical installation, commissioning support and remedial works at the ESS Active Cells Facility in Lund, Sweden. Optimum Electrical Engineering Ltd has been delivering electrical installation and support services since the original tender and will continue with the remaining works including snagging, labelling, energisation/de-energisation, commissioning support and system integration. This is a continuation contract for partially completed electrical installations, system interfaces, Quality Assurance handover and Site Acceptance Test preparation. The contract will be managed through defined Scope of Work documentation, Primavera P6 programme scheduling and snagging lists, allowing UKAEA to control, instruct and monitor activities while maintaining flexibility for emerging requirements. Due to Swedish regulatory requirements, only electrical contractors holding Swedish compliance officer status can undertake these works. Optimum holds the required certification and established site processes including RAMS, QA documentation, ESS competency arrangements and electrical safety responsibilities that are embedded in the project delivery model. Optimum's Lead Project Engineer carries key electrical safety duties including AP(E)-type responsibilities and authority for switching arrangements agreed with ESS. Replacing the contractor at this stage would introduce significant technical, safety, quality and programme risks, require re-establishment of safety arrangements, delay project delivery and create duplicated effort.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

    In facilities management, UK ATOMIC ENERGY AUTHORITY has awarded 2 contracts to 2 suppliers.

    Who wins here
    1. Altrad Support Services Limited1× · 50%
    2. OPTIMUM ELECTRICAL ENGINEERING LTD1× · 50%

    Across facilities management, the most active winners are NHS SUPPLY CHAIN COORDINATION LIMITED NHSSC SCCL, TUNSTALL HEALTHCARE UK LTD, NHS ENGLAND — 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-06aaf6

    Your fit

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    UA
    Buyer
    UK ATOMIC ENERGY AUTHORITY
    Sector
    Engineering