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PROCUREMENT OPPORTUNITY

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

Nuclear Restoration Services Limited · Transparency notice on Find a Tender

Tender information last checkedLast checked 30 Sept 2026, 13:05.

Opportunity overview

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.

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

EDF Energy Nuclear Generation Limited

Matched by number
Published award value
£5.2m
Awarded
14 Nov 2025
Award ID
1
Status
pending
Identifier
GB-COH 03076445
Location
Gloucester, UKK13, GL3 4AE, United Kingdom

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-05e586
Status
complete
Procurement Method
direct
Procurement Method Details
Direct award
Why this procedure was chosen
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.

Legal basis

Id
2023/54
Scheme
UKPGA

Procedure reasons

Entry 1
Id
singleSuppliersTechnicalReasons

Lots and requirements

Entry 1
Id
1
Status
complete

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest

Buyer, suppliers and contacts

Organisation 1
Id
GB-PPON-PXPQ-2228-DGTY
Name
Nuclear Restoration Services Limited

Roles

buyer

Address

Region
UKD61
Country
GB
Locality
Warrington
Postal Code
WA3 6GR
Country Name
United Kingdom
Street Address
Hinton House, Birchwood Park Avenue, Risley

Details

Classifications

Entry 1
Id
publicAuthoritySubCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - sub-central government

Identifier

Id
PXPQ-2228-DGTY
Scheme
GB-PPON

Contact

Name
Kelly-Marie Walsh
Organisation 2
Id
GB-COH-03076445
Name
EDF Energy Nuclear Generation Limited

Roles

supplier

Address

Region
UKK13
Country
GB
Locality
Gloucester
Postal Code
GL3 4AE
Country Name
United Kingdom
Street Address
Javelin House, Building 1420, Charlton Court, Gloucester Business Park,

Details

Vcse
No
Scale
large
Sheltered Workshop
No
Public Service Mission Organization
No

Identifier

Id
03076445
Scheme
GB-COH

Contact

Award information

Award 1
Id
1
Date
14 Nov 2025, 00:00
Title
Transitional Services Agreement (TSA) for Hunterston B Site Asset Management System
Status
pending
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
72260000
Scheme
CPV
Description
Software-related services

Value

Amount
5,200,000
Currency
GBP
Including VAT
6,500,000

Renewal

Description
Option to extend 2 x 1 year options

Documents

Entry 1
Id
075679-2025
Format
text/html
Notice Type
UK5
Description
Transparency notice on Find a Tender
Document Type
awardNotice
Published
20 Nov 2025, 13:37
Entry 2
Id
076466-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
24 Nov 2025, 13:21

Suppliers

Supplier 1
Id
GB-COH-03076445
Name
EDF Energy Nuclear Generation Limited

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
4 Jan 2026, 23:59

Related lots

1

Contract period

Ends
31 Mar 2028, 23:59
Starts
1 Apr 2026, 00:00
Max Extent Date
31 Mar 2030, 23:59

Standstill Period

Ends
4 Dec 2025, 23:59

Recorded locations

  • Buyer location · Warrington · UKD61 · WA3 6GR · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-05e586-2025-11-24T13:21:07ZTransparency notice on Find a Tender ·