33kV Substation SCADA Supply

UK Atomic Energy Authority

Key dates and value

Status: Open
Submission deadline: 6 Nov 2026
Published: 21 Sept 2026
Estimated value: £400k
Contract start: 1 Jan 2027
Contract end: 31 Jul 2032
Location: Oxfordshire, South East England
Notice type: UK4

Overview

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.

CPV codes

42961200 Scada or equivalent system

About the buyer

UK Atomic Energy Authority has published 73 tender notices since 7 Oct 2023, with a combined advertised value of £15.4m. 5 of them are currently open.

How to apply

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Source: Find a Tender. Contains public sector information licensed under the Open Government Licence v3.0. Details may change; always check the original notice before bidding.

Overview

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