33kV Substation SCADA Supply
The contract covers the design, manufacture, delivery, installation and commissioning of a new Supervisory Control and Data Acquisition (SCADA) system for the UK Atomic Energy Authority, a public-sector organisation responsible for fusion energy research and related facilities. The system will replace the existing CODAS, SCADA and Programmable Logic Controller arrangements at the J5 400/33kV substation with an advanced site-wide master SCADA system based fully on the IEC 61850 protocol. Key deliverables include an operator workstation in the J5 control room, full control authority with intelligent interlocking to prevent failures and operational errors, and integration with all numerical and auxiliary devices. The system must transmit alarms, trip signals and status indications via fibre or Ethernet to the main control room. The estimated contract value is £400,000, with the delivery location in UKJ14, United Kingdom; the tender details do not state a contract duration. The critical technical requirement is the development and commissioning of a SCADA solution fully compliant with IEC 61850.
Buyer: UK Atomic Energy Authority. Source: Find a Tender. Updated 21 Sept 2026.
Key facts
- Estimated value: £400k
- Bids close: 6 Nov 2026
- Location: Oxfordshire
- Procedure: Open procedure
- Contract period: 1 Jan 2027 to 31 Jul 2032
- Category: Scada or equivalent system (42961200)
From the official notice
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.
View the official notice
Questions about this tender
When is the deadline?
Bids close on 6 Nov 2026.
What is it worth?
The estimated value is £400k.
Who can apply?
The buyer has marked it as suitable for small and medium-sized businesses.
How do I bid?
Open the official notice, register on the buyer's portal and submit your bid before the deadline.
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