---
title: "Power and Energy Management System Controller - Development Support Service"
ocid: "ocds-h6vhtk-05a11f"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05a11f"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a11f.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a11f.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "UK INDUSTRIAL FUSION SOLUTIONS LTD"
published: "2025-11-27"
---

# Power and Energy Management System Controller - Development Support Service

Buyer: UK INDUSTRIAL FUSION SOLUTIONS LTD  
Current stage: Tender  
OCID: ocds-h6vhtk-05a11f

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## Summary

UK Industrial Fusion Solutions Ltd, located at Culham Science Centre, Abingdon, is managing a procurement process titled "Power and Energy Management System Controller - Development Support Service," which falls under the services category. This process is related to the development and refinement of systems for the STEP Prototype Plant, with an emphasis on engineering and power systems design services. The procurement method is below threshold open competition. The tender, published on 24th September 2025, saw its inquiry period end on 13th October 2025. The tender stage concluded with submissions due by 31st October 2025 and contract activities set to start from 1st December 2025 to 31st March 2026.

This tender presents significant opportunities for companies specialising in engineering design and electrical power systems. The project supports the ambitious STEP programme, aiming to create a prototype fusion power plant, which could lead to long-term collaborations with the buyer. Businesses with experience in plant engineering and those capable of meeting technical and price criteria can greatly benefit from this opportunity. SMEs are particularly encouraged to partake, given the emphasis on suitability for smaller enterprises. This procurement offers a substantial foothold in the burgeoning sustainable energy sector, supporting business growth through innovative technological contributions.

## Notice

The Spherical Tokamak for Energy Production (STEP) is an ambitious programme to accelerate the delivery of sustainable fusion energy. The STEP programme will design and build the world's first compact prototype fusion powerplant, based on the spherical tokamak design, by the 2040s. Currently, the concept design of all major systems and plant are in an ongoing refinement process The purpose of this contract is to support the development of a concept control system for a Power and Energy Management System (PEMS), and to further develop the powerplant simulation models for its STEP Prototype Plant (SPP) Electrical Infrastructure system. Further Information is available in the ITT and accompanying documents. To respond to this opportunity, please click here: https://ukifs.delta-esourcing.com/respond/F438KP67R3 To view this notice, please click here: https://ukifs.delta-esourcing.com/delta/viewNotice.html?noticeId=982377180

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/077823-2025 |
| Notice type | UK12 - Procurement Termination Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 27 Nov 2025 |
| Submission deadline | 31 Oct 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 1 Dec 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £90,000 |
| Lots value | £90,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Cancelled |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK INDUSTRIAL FUSION SOLUTIONS LTD |
| Additional buyers | Missing |
| 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

### Codes

- 71320000 - Engineering design services
- 71323100 - Electrical power systems design services
- 71323200 - Plant engineering design services

## Release History

- 27 Nov 2025 at 16:05 - TenderCancellation - UK12 - Procurement Termination Notice - https://www.find-tender.service.gov.uk/Notice/077823-2025
- 24 Sep 2025 at 13:05 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/059278-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/077823-2025
  27th November 2025 - Procurement termination notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/059278-2025
  24th September 2025 - Tender notice on Find a Tender

## Notice URLs

- https://ukifs.delta-esourcing.com/delta/viewNotice.html?noticeId=982377180
- https://ukifs.delta-esourcing.com/respond/F438KP67R3
- 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-05a11f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05a11f.json.