---
title: "Systems Engineering and Whole Plant Integration Partner (SEWPIP)"
ocid: "ocds-h6vhtk-06aec6"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06aec6"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06aec6.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06aec6.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "UK FUSION ENERGY LTD"
published: "2026-06-05"
---

# Systems Engineering and Whole Plant Integration Partner (SEWPIP)

Buyer: UK FUSION ENERGY LTD  
Current stage: Planning  
OCID: ocds-h6vhtk-06aec6

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06aec6)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06aec6.json)

## Summary

UK Fusion Energy Ltd is in the planning stage of a public procurement process, aiming to partner with a Systems Engineering and Whole Plant Integration Partner (SEWPIP). This endeavour seeks to enhance the delivery of the STEP programme through a strategic approach in systems engineering. As a public undertaking, UK Fusion Energy Ltd is based in Abingdon, United Kingdom, and is inviting potential suppliers to participate in preliminary market engagement. The focus lies on engineering services including advisory and consultative engineering as well as systems and technical consultancy services. Interested parties are required to submit their responses, including a completed questionnaire, by 3rd July 2026.

This tender presents a significant opportunity for businesses specialising in engineering services, especially those with expertise in complex, safety-critical engineering projects. Companies that have experience as strategic partners or integrators could greatly benefit from engaging in this tender, offering a chance to contribute to the development of a nascent supply chain. The procurement process is open to collaborative submissions, making it ideal for firms that can partner with others to provide comprehensive solutions. By participating, businesses can align themselves with cutting-edge nuclear fusion energy projects and potentially secure future contracts with UK Fusion Energy Ltd.

## Notice

This PMEN aims to gather information from potential suppliers on solutions and capabilities in relation to the provision of a Systems Engineering and Whole Plant Integration Partner to assist UK Fusion Energy Ltd to realise a tailored systems engineering approach to STEP programme delivery. This is not a request for quotation but a preliminary stage to assess the market which will assist with assessing market capabilities and shaping specification. For the purposes of this early market engagement, UK Fusion Energy Ltd is seeking responses from suppliers capable of providing engineering and technical knowledge to support complex, safety-critical engineering projects, deliver defined work packages supporting technology demonstration projects and industrialisation activities as described within 6.2. The proposed contract is intended to allow a Partner to support UK Fusion Energy by collaboration with potential other partners on the above work as well as with UK Fusion Energy. UK Fusion Energy is interested in understanding suppliers' experience operating as a Strategic Partner / Integrator potentially supporting the development and management of a nascent supply chain. UK Fusion Energy does not necessarily expect that one single supplier may be able to provide all the elements of this future contract and is hopeful that through potential collaboration all the elements could be delivered successfully within Stage 2A of the Programme For more information about this opportunity, please visit the eSourcing portal at: https://ukfe.delta-esourcing.com/tenders/UK-UK-Abingdon:-Engineering-services./RP5P569343 To respond to this opportunity, please click here: https://ukfe.delta-esourcing.com/respond/RP5P569343

### Planning Information

To respond to this MEN, please complete and submit Appendix 1: Questionnaire via the facility in the Delta portal by 5pm 3rd July 2026. 
Early responses would be appreciated to help inform planning decisions. 
If you experience any difficulties with the portal, please contact the portal helpdesk helpdesk@delta-esourcing.com cc operationalprocurement.step@ukifs.uk 
Information obtained from responses to Appendix 1: Questionnaire will help UK Fusion Energy Ltd understand current market capabilities and shape the scope, direction, and design of the future procurement activities. 
If you have any questions about this MEN, please contact UK Fusion Energy Ltd through the Delta portal. We are keen to engage with suppliers to assist with the MEN completion if needed, to ensure quality responses enabling us to shape the future requirement and procurement.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/053365-2026 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 5 Jun 2026 |
| Submission deadline | Not specified |
| Future notice date | 3 Jul 2026 |
| Award date | Not specified |
| Contract period | 7 Jun 2026 - 3 Jul 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| 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 FUSION ENERGY LTD |
| Locality | ABINGDON |
| 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 |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services
- 72 - IT services: consulting, software development, Internet and support

### Codes

- 71300000 - Engineering services
- 71318000 - Advisory and consultative engineering services
- 72220000 - Systems and technical consultancy services

## Release History

- 5 Jun 2026 at 13:05 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/053365-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/053365-2026
  5th June 2026 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://ukfe.delta-esourcing.com/respond/RP5P569343
- https://ukfe.delta-esourcing.com/tenders/UK-UK-Abingdon:-Engineering-services./RP5P569343
- 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-06aec6. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06aec6.json.