Closed tender

33kV Substation SCADA Supply

Details

Value
£400,000
Topic
Scada or equivalent system
Published
21 September 2026
Submission
6 November 2026

Tender description

The United Kingdom Atomic Energy Authority are looking to engage a Supervisory Control And Data Acquisition (SCADA) specialist to develop a new SCADA system in J5 based on the IEC 61850 protocol, replacing the existing SCADA. The 400/33kV substation, the existing control and automation system, comprising historic CODAS system, SCADA and Programmable Logic Controllers, will be decommissioned and replaced with an advanced site-wide master SCADA system in full compliance with the IEC 61850 protocol. The work includes the design, manufacture, delivery, installation, and commissioning of the complete system, including an operator workstation in J5 control room. The SCADA will provide full control authority with intelligent interlocking to prevent failures or operational errors. The system will integrate with all numerical and auxiliary devices, transmitting all alarms, trip signals, and status indications over fibre or Ethernet to the main control room.

Timeline

  1. Completed: Tender published21 September 2026
    Current notice
  2. Completed: Submission date6 November 2026

About the buyer

The UK Atomic Energy Authority is the central government body behind the UK's fusion energy programmes and tenders every opportunity above a low-value threshold. Much of this procurement flows through government frameworks, including the Crown Commercial Service.

A quarterly procurement pipeline gives visibility of larger forthcoming opportunities.

Over the past 5 years, most of the UK Atomic Energy Authority's contract awards have been in IT services, software and information systems and industrial machinery.

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Decision makers

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