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    ContractsSCADA System Upgrade for 33kV Substation
    Open tender

    SCADA System Upgrade for 33kV Substation

    Contract value
    £400k
    Published 21 Aug 2026

    Supply and commission an IEC 61850-compliant SCADA system to replace legacy control systems at a 400/33kV substation with site-wide master control and intelligent interlocking capabilities.

    🇬🇧United Kingdom· South EastPublished 21 Aug 2026· 1 months agoviaFind a Tender
    Contract value
    £400k
    Published 21 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £400,000indicative
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Manufacturing
      Browse related listings
    • Location
      🇬🇧United Kingdom
      South East

    Lifecycle

    Open

    Open tender — no closing date published. Opened 1 months ago.

    21 August 2026
    Open tender · no closing date published

    Brief

    The United Kingdom Atomic Energy Authority seeks a SCADA specialist to design, manufacture, deliver, install, and commission a new Supervisory Control and Data Acquisition (SCADA) system for the J5 facility. The project involves replacing the legacy 400/33kV substation control and automation systems, including the historic CODAS system, existing SCADA, and Programmable Logic Controllers, with a modern, integrated site-wide master SCADA system fully compliant with IEC 61850 protocol standards. The new system will feature an operator workstation located in the J5 control room and will provide complete control authority across both J5 and D8 locations with intelligent interlocking capabilities to prevent operational failures and errors. The SCADA system must integrate seamlessly with all numerical and auxiliary devices, transmitting alarms, trip signals, and status indications via fibre optic or Ethernet connections to the main control room. Suppliers should have expertise in IEC 61850 protocol implementation, SCADA system architecture, control room automation, and experience working with critical infrastructure facilities.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

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

    Who wins here
    1. Busch (UK) Ltd trading as Vacuum Furnace Engineering1× · 50%
    2. Thermic Edge Ceramics Ltd1× · 50%

    Across manufacturing, the most active winners are Alpine Vending Co Ltd, Scanbur, ANDREWS SYKES GROUP PLC — the field to beat, or your route in as a partner.

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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-06e9ac

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    UA
    Buyer
    UK ATOMIC ENERGY AUTHORITY
    Sector
    Manufacturing