---
title: "H3AT Process Services"
ocid: "ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2025-03-21"
---

# H3AT Process Services

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Award  
OCID: ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4)  
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## Summary

The UK Atomic Energy Authority (UKAEA) has awarded a contract titled "H3AT Process Services" under the industry category of water demineralisation services (CPV code: 65121000). This procurement process has reached the award stage, with the award notice published on 21 March 2025. The contract, valued at GBP 1,600,000, encompasses supplying various services for the Hydrogen 3 Advanced Technology (H3AT) tritium plant and research halls at the UKAEA's Culham Science Centre, Oxfordshire. These services include the provision of demineralised water, breathable air supply, plant air supply, compressed gas supply, and specialist gas compound with segregation. The contract period starts on 17 March 2025 and ends on 28 January 2026, with delivery to multiple locations, including the British Overseas Territories, Channel Islands, and the United Kingdom.

This tender presents an opportunity for businesses involved in the provision and installation of process service systems to enter or expand their presence in the advanced technology and research sectors. With a preference for SMEs and VCSEs, this award allows these organisations to demonstrate their expertise on a large-scale project managed by a reputable public organisation. Arcade UK Ltd, a large-scale company based in Cambridge, has been selected as the supplier for this contract, suggesting that businesses with robust capabilities in delivering complex, technical solutions are particularly well-suited for such opportunities.

## Notice

UKAEA had a requirement for the procurement of a process services system for the Hydrogen 3 Advanced Technology (H3AT) tritium plant and research halls at UKAEA's Culham Science Centre. Included in this requirement is the supply of: - Demineralised Water - Breathable Air Supply - Plant Air Supply - Compressed Gas Supply - Specialist Gas Compound with Segregation All values are inclusive of VAT. This is an Award Notice only, not a call to competition.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/dea31b91-08bf-43d5-b4ed-c49297897921 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 21 Mar 2025 |
| Submission deadline | 10 Jun 2024 |
| Future notice date | Not specified |
| Award date | 21 Mar 2025 |
| Contract period | 17 Mar 2025 - 28 Jan 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,600,000 |
| Lots value | Not specified |
| Awards value | £1,600,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| 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 | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | ARCADE |

## CPV Codes

### Divisions

- 65 - Public utilities

### Codes

- 65121000 - Water demineralisation services

## Release History

- 21 Mar 2025 at 11:45 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/dea31b91-08bf-43d5-b4ed-c49297897921

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/dea31b91-08bf-43d5-b4ed-c49297897921
  21st March 2025 - Awarded contract notice on Contracts Finder
- https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=92219&B=UKAEA
  Additional data
- https://uk.eu-supply.com/ctm/Company/CompanyInformation/Index/72814
  User / Company

## Notice URLs

- https://www.gov.uk/government/organisations/uk-atomic-energy-authority

## 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-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-42b4be04-0992-4f06-903b-c4b8d3f2a5f4.json.