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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.

    ContractsHigh Voltage Substation Earthing System Inspection and Testing
    Awarded contract

    High Voltage Substation Earthing System Inspection and Testing

    Awarded
    £26.2k
    Published 27 Jul 2026

    Complete earthing system inspection and testing across seven electrical substations with voltage transformation from 11kV to 0.415kV.

    🇬🇧United Kingdom· North WestPublished 27 Jul 2026· 3 weeks agoviaFind a Tender
    Awarded
    £26.2k
    Published 27 Jul 2026

    Decision brief

    4 fields
    • Contract value
      £26,230
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom
      North West

    Suppliers

    1 supplier
    • AC
      ARCADIS CONSULTING UK LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 3 weeks ago.

    27 July 2026
    Awarded — no open tender advertised

    Brief

    This opportunity involves a comprehensive inspection and testing service for the earthing (grounding) infrastructure of seven 11kV/3.3kV to 0.415kV electrical substations. The service scope includes full testing of all earthing systems, conductors, connections, and protective devices to ensure compliance with electrical safety standards and regulations. Suppliers should have expertise in high voltage electrical testing, earthing system assessment, and relevant certifications. The work will verify system integrity, measure earth resistance values, and document findings for compliance purposes.

    Track record

    17 awards · 14 winners
    Open field

    No single supplier dominates the field.

    In engineering, NUCLEAR RESTORATION SERVICES has awarded 17 contracts to 14 suppliers.

    Who wins here
    1. WSP UK LIMITED3× · 18%
    2. ARCADIS CONSULTING UK LIMITED2× · 12%
    3. NSG ENVIRONMENTAL LTD1× · 6%
    4. James McGowan Engineering Limited1× · 6%
    5. CORE Nuclear Solutions Ltd1× · 6%
    6. Eden Nuclear1× · 6%

    +8 more suppliers

    Across engineering, the most active winners are AECOM LTD, WSP UK LIMITED, OVE ARUP PARTNERS 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-06d470
    NR
    Buyer
    NUCLEAR RESTORATION SERVICES
    Sector
    Engineering