Open38 days left · closes 5pm, Friday 6 November 2026

33kV Substation SCADA Supply

UK Atomic Energy Authority · Local or regional public body

In brief

UK Atomic Energy Authority is looking for suppliers for this contract (South East).

The estimated value is £400,000 excluding VAT.

The contract runs for 67 months, starting 1 January 2027.

The buyer says it is suitable for small and medium-sized businesses.

Bids close at 5pm, Friday 6 November 2026.

Built from the notice's own fields. Always check the official notice before you bid.

Can I win this?

Key dates

Questions by: 5pm, Monday 12 October 2026
Bids by: 5pm, Friday 6 November 2026

How bids are scored

Quality evaluation 60% · Price evaluation 40%

Quality matters most. You can win without being the cheapest.

Competition

Typical: a median of 3 bids per contract for this buyer (from 31 awards in the last 12 months).

What the notice says

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.

Should I bid?

Tick what applies to you. Nothing is saved.

Can you prepare a good bid in 38 days?Leave time for clarification questions and sign-off.
Is a contract of about £400,000 a size you can deliver?Buyers often check that your turnover is comfortably larger than the yearly contract value.
Can you deliver in South East?Check the delivery locations in the tender documents.
Are you registered on the Central Digital Platform?You need to be registered to take part under the Procurement Act 2023.
The buyer says this suits small businesses.A good sign if you are an SME, but check the requirements.

How to bid

Read the full notice on Find a Tender, including any tender documents it links to.
Register your organisation on the Central Digital Platform (through Find a Tender) if you have not already. Suppliers need to be registered to take part in procurements under the Procurement Act 2023.
Submit your bid through the buyer's e-tendering portal: uk.eu-supply.com.
Send clarification questions before 5pm, Monday 12 October 2026.
Make sure your bid arrives before 5pm, Friday 6 November 2026. Late bids are usually rejected.

Timeline

21 August 2026Preliminary market engagement notice · UK2, notice 079948-2026
21 September 2026Tender notice · UK4, notice 089326-2026

About the buyer

UK Atomic Energy AuthorityLast 12 months

Procurements

145

Awards

Suppliers it has used most

AS Scientific products Ltd2 contracts
Altrad Babcock Limited2 contracts
Arcadis Consulting (UK) Limited2 contracts
Busch (UK) Ltd2 contracts
Elemental Scientific Instruments Limited2 contracts
Hydrasun Limited2 contracts
Inox India Limited2 contracts
Jema Energy SA2 contracts

All tenders and awards from UK Atomic Energy Authority

From notice 079948-2026 on Find a Tender, first published 21 August 2026, last updated 21 September 2026. We last checked for changes on 28 September 2026.