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Awarded contract

Provision of ANSWERS/FISPIN Nuclear Software Codes

Details

Buyer
National Nuclear Laboratory Ltd
Supplier(s)
Energy Safety and Risk Consultants UK Ltd (Wood)
Value
£603,312
Duration
3 years
Topic
Software package and information systems
Published
19 August 2026
Source
uk:find_a_tender

Tender description

This contract is for the renewal of licences for the ANSWERS/FISPIN nuclear software suite, including specialist codes used for nuclear safety analysis, criticality assessments, radiation transport, shielding calculations, and reactor physics modelling. The software supports established analytical methodologies and regulatory-approved processes across UKNNL's nuclear modelling and safety case activities. The contract provides software licences, maintenance, updates, and technical support for a period of three years. ## Contract award

Timeline

  1. Award published19 August 2026
    Current notice
  2. Award date19 August 2026
  3. Contract expiry date31 August 2029in 3 years

About the buyer

National Nuclear Laboratory is the UK's national nuclear science and technology laboratory, and a Contracting Authority in its own right. Crown Commercial Service agreements also route work to suppliers. A university supply chain framework covers postdoctoral research, university consultancy and commercial research contracts. National Nuclear Laboratory is one of nine members of the Shared Services Alliance.

A pipeline of upcoming activities is published roughly every quarter.

Over the past 5 years, most of National Nuclear Laboratory Ltd's contract awards have been in laboratory and precision equipment, architectural and engineering services and research and development.

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