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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.

    ContractsLong-Term Service Agreement for Potteric Carr Static Frequency Converter and 33kV Substation
    Awarded contract

    Long-Term Service Agreement for Potteric Carr Static Frequency Converter and 33kV Substation

    Awarded
    £3.2m
    Published 19 Aug 2026

    Opportunity to provide comprehensive long-term maintenance and support services for Potteric Carr's Static Frequency Converter and 33kV Substation infrastructure.

    🇬🇧United Kingdom· LondonPublished 19 Aug 2026· 1 months agoviaFind a Tender
    Awarded
    £3.2m
    Published 19 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £3,200,000
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇬🇧United Kingdom
      London

    Suppliers

    1 supplier
    • HE
      Hitachi Energy UK Limited
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 months ago.

    19 August 2026
    Awarded — no open tender advertised

    Brief

    This opportunity seeks a qualified service provider to establish a long-term service agreement (LTSA) for the Potteric Carr Static Frequency Converter (SFC) and 33kV Substation. The successful supplier will be responsible for ongoing maintenance, technical support, and operational management of this electrical infrastructure to ensure continuous reliability and performance. Services may include routine inspections, preventive maintenance, emergency repairs, spare parts management, and compliance with relevant electrical safety standards. The LTSA will provide predictable service delivery and support for this critical power conversion and distribution equipment.

    Track record

    5 awards · 5 winners
    Open panel

    Mostly framework call-offs rather than head-to-head competition.

    In construction, NETWORK RAIL INFRASTRUCTURE LIMITED has awarded 5 contracts to 5 suppliers.

    Who wins here
    1. Transport for Wales1× · 20%
    2. Complete Paving Requirements (Scotland) Limited1× · 20%
    3. Hitachi Energy UK Limited1× · 20%
    4. AMALGAMATED CONSTRUCTION LTD1× · 20%
    5. EXPLORE 2050 ENGINEERING LIMITED1× · 20%

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, LINDUM GROUP 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-06e7e2
    NR
    Buyer
    NETWORK RAIL INFRASTRUCTURE LIMITED
    Sector
    Construction