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Application Management Services for the Radiological Response and Emergency Management System (RREMS)

Department for Energy Security & Net Zero · Central government

In brief

Department for Energy Security & Net Zero has announced plans to buy IT and software work. This is an early notice: there is nothing to bid on yet, but it tells you a tender may follow.

The notice does not state a value.

The contract runs for 4 years, up to 6 years with extensions, starting 1 January 2027.

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

Can I win this?

Competition

Typical: a median of 4 bids per contract for this buyer (from 18 awards in the last 12 months).

What the notice says

The Radiological Response and Emergency Management System (RREMS) is a system managed by the Department for Energy, Security and Net Zero (DESNZ) and used by the United Kingdom which records and analyses the level of radioactivity across the United Kingdom. DESNZ is the lead government department in the event of a civil nuclear emergency and previously used the Radioactive Incident Monitoring Network (“RIMNET”) to support this function. The Ministry of Defence (“MOD”) is the lead government department in the event of a defence nuclear emergency and previously used the Nuclear Emergency Response Information Management System (“NERIMS”) to support this function.

How to bid

  1. Read the full notice on Find a Tender, including any tender documents it links to.
  2. 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.
  3. Follow the submission instructions in the notice; it does not name an e-tendering portal.

Timeline

  1. Pipeline notice · UK1, notice 047100-2026

About the buyer

Department for Energy Security & Net ZeroLast 12 months

Procurements

97

Awards

59

Suppliers it has used most for IT and software

All tenders and awards from Department for Energy Security & Net Zero

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From notice 047100-2026 on Find a Tender, first published 21 May 2026. We last checked for changes on 28 September 2026.