Award

Transitional Services Agreement (TSA) for Hunterston B Site Asset Management System

NUCLEAR RESTORATION SERVICES LIMITED

This public procurement record has 2 releases in its history.

Award

24 Nov 2025 at 13:21

UK6 - Contract Award Notice
Award

20 Nov 2025 at 13:37

UK5 - Transparency Notice
Summary of the contracting process

Nuclear Restoration Services Limited has entered into a direct award contract with EDF Energy Nuclear Generation Limited for a Transitional Services Agreement (TSA) concerning the Hunterston B Site Asset Management System. This contract ensures continued access to the Asset Management Suite (AMS) for post-transfer activities related to the Hunterston B site. The procurement process, categorized under software-related services, has been tagged as 'complete', and the contract commences on 1st April 2026, concluding on 31st March 2028, with options to extend it further. Located in Warrington, the buying organisation is a sub-central government public authority, indicating their commitment to overseeing efficient decommissioning of nuclear facilities. A contract award notice was published on 24th November 2025, detailing the maximum contract value of GBP 6,500,000.

This procurement provides significant opportunities for large-scale service providers, especially those experienced in software-related services for the nuclear industry. Given the contract's focus on regulatory compliance and operational continuity, companies with a robust history in managing critical infrastructure projects will find this to be a strategic growth opportunity. The direct award method, justified by EDF’s existing technical capabilities and regulatory grounding, underscores the need for specialised expertise in handling such complex and sensitive services. This opens doors for businesses that can align with stringent safety, security, and environmental compliance standards while collaborating alongside government and regulatory entities.

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Notice Information

Notice Title

Transitional Services Agreement (TSA) for Hunterston B Site Asset Management System

Notice Description

Direct award of a TSA to EDF Energy Nuclear Generation Limited to ensure continued access to the Asset Management Suite (AMS) for the Hunterston B site post-transfer. The AMS is essential for regulatory compliance and operational continuity. The transparency notice Contract value is based on the maximum contract extension period, therefore not a guaranteed value of spend.

Procurement Information

As part of the UK's nuclear decommissioning programme, Nuclear Restoration Services (NRS) will begin taking ownership of assets and the responsibility for the Advanced Gas-Cooled Reactor (AGR) sites from EDF Energy Nuclear Generation Limited (EDF). This transition, starting with Hunterston B in spring 2026, marks a key milestone in ensuring the continued safe, secure and cost-effective decommissioning of the UK's nuclear legacy. NRS is committed to transparency and collaboration throughout this transfer process, working closely with EDF, regulators and stakeholders to deliver a seamless transfer whilst maintaining the highest standards of regulatory, safety and environmental compliance. This is a direct award for the purposes of Procurement Act 2023 and is being made pursuant to Paragraph 6 of Schedule 5 to the Procurement Act 2023 NRS considers Paragraph 6 applies as the services provided by EDF Energy Nuclear Generation Limited are critical to the ongoing operation of Hunterston B and it would create significant technical difficulties and unacceptable regulatory risks to NRS for another supplier to supply the services at this time. EDF Energy Nuclear Generation Limited is neither an excluded or excludable supplier. A Contract Award Notice and Contract Details Notice will follow in accordance with Procurement Act 2023.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05e586
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/076466-2025
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Direct
Procurement Method Details
Direct award
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

72 - IT services: consulting, software development, Internet and support

CPV Codes

72260000 - Software-related services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
£5,200,000 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
24 Nov 20253 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
14 Nov 20253 months ago
Contract Period
31 Mar 2026 - 31 Mar 2028 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Pending
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
NUCLEAR RESTORATION SERVICES LIMITED
Contact Name
Kelly-Marie Walsh
Contact Email
kelly-marie.walsh@nrservices.uk
Contact Phone
Not specified

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6GR
Post Town
Warrington
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
Not specified
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

EDF ENERGY NUCLEAR GENERATION

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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