---
title: "Request for Information (RFI) for the provision of a calorimeter"
ocid: "ocds-h6vhtk-06646b"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06646b"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06646b.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06646b.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2026-03-06"
---

# Request for Information (RFI) for the provision of a calorimeter

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Planning  
OCID: ocds-h6vhtk-06646b

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06646b)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06646b.json)

## Summary

The UK Atomic Energy Authority is initiating a procurement process for the provision of a calorimeter to measure the tritium inventory at the H3AT Facility. This tender falls under the goods category and is expected to have a contract period from 1st September 2026 to 31st August 2027. The procurement is currently in the planning stage, with preliminary market engagement conducted through a Request for Information (RFI). Interested parties must respond to the RFI questions by 31st March 2026. The tender, identified as T/EV140/25, is located in Oxfordshire, United Kingdom, within the UKJ14 region, and represents a significant opportunity with a gross value of £600,000.

This opportunity is particularly suitable for businesses specialising in scientific instruments, specifically those capable of supplying calorimeters. Small and medium enterprises (SMEs) are encouraged to partake, given the suitability provision outlined for them. As the UK Atomic Energy Authority is a central government public authority, securing this contract could provide substantial credibility and financial growth for companies in this sector. Participants have the chance to contribute to advancements in energy research and industry, aligning with national scientific goals and fostering broader future collaborations.

## Notice

Provision of a calorimeter to measure the tritium inventory for the H3AT Facility.

### Planning Information

The procurement documents are available for unrestricted and full direct access, free of charge, at: https://uk.eu-supply.com/ctm/Supplier/PublicTenders Please search using the unique tender ID: T/EV140/25 Please provide your responses to the RFI questions by 31st of March 2026, 17:00

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/020513-2026 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 6 Mar 2026 |
| Submission deadline | Not specified |
| Future notice date | 1 Jun 2026 |
| Award date | Not specified |
| Contract period | 1 Sep 2026 - 31 Aug 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £500,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planning |
| Lots status | Planning |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK ATOMIC ENERGY AUTHORITY |
| Locality | OXFORDSHIRE |
| Post town | Oxford |
| Postcode | OX14 3DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | South Oxfordshire |
| Electoral ward | Sandford & the Wittenhams |
| Westminster constituency | Didcot and Wantage |
| Delivery location | TLJ14 Oxfordshire CC |

## CPV Codes

### Divisions

- 38 - Laboratory, optical and precision equipments (excl. glasses)

### Codes

- 38418000 - Calorimeters

## Release History

- 6 Mar 2026 at 15:00 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/020513-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/020513-2026
  6th March 2026 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://uk.eu-supply.com/ctm/Supplier/PublicTenders
- https://www.gov.uk/government/organisations/uk-atomic-energy-authority
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06646b. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06646b.json.