Planning

Calliope

UK ATOMIC ENERGY AUTHORITY

This public procurement record has 2 releases in its history.

PlanningUpdate

17 Dec 2025 at 09:59

UK2 - Preliminary Market Engagement Notice
Planning

16 Dec 2025 at 11:00

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The procurement process, titled "Calliope" and initiated by the UK Atomic Energy Authority, involves the development and verification of tritium accountancy methods for the THALIA project. This procurement falls under the services category, specifically targeting research laboratory services and development consultancy services. The procurement is at the planning stage, with key milestones including scheduled market engagement due by 15 January 2026. Located in Oxfordshire, UK, this process has set its communication deadlines for 9 March 2026, and the contract duration spans from 10 March 2026 to 25 May 2026, offering a budget of £120,000.

This tender presents valuable opportunities for businesses specialising in research and experimental development. It is particularly well-suited to small and medium-sized enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs), given the suitability criteria. Businesses adept in providing consultancy services and innovative research facilities will find this offering aligns well with their growth strategies. The UK Atomic Energy Authority, operating from the Culham Science Centre, offers a central governmental platform for businesses to contribute meaningfully to advancements in tritium accountancy, ensuring a collaborative approach to future scientific processes.

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Notice Information

Notice Title

Calliope

Notice Description

CALLIOPE is a specific work package related to preparation and tritium accountancy of samples for the THALIA project. As a part of CALLIOPE, it is required to develop and verify a new tritium accountancy method in FLiBe in addition to already established methods. This will assist in comparison of different methods against each other and validation of tritium accountancy for future processes.

Planning Information

https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=100971&TID=100106216&B=

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05f677
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/083640-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

73 - Research and development services and related consultancy services

CPV Codes

73111000 - Research laboratory services

73120000 - Experimental development services

73210000 - Research consultancy services

73220000 - Development consultancy services

Notice Value(s)

Tender Value
£100,000 £100K-£500K
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
17 Dec 20252 months ago
Submission Deadline
Not specified
Future Notice Date
9 Mar 20262 weeks to go
Award Date
Not specified
Contract Period
10 Mar 2026 - 25 May 2026 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UK ATOMIC ENERGY AUTHORITY
Contact Name
Maili Nugent
Contact Email
maili.nugent@ukaea.uk
Contact Phone
+44 1235468141

Buyer Location

Locality
OXFORDSHIRE
Postcode
OX14 3DB
Post Town
Oxford
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
Not specified
Local Authority
South Oxfordshire
Electoral Ward
Sandford & the Wittenhams
Westminster Constituency
Didcot and Wantage

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

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