Planning

RIIO-GT3 Control System Replacement FEED Framework Expression of Interest

NATIONAL GAS TRANSMISSION PLC

This public procurement record has 1 release in its history.

Planning

24 Nov 2025 at 11:59

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The procurement process initiated by National Gas Transmission PLC (NGT) is currently in the planning stage, focusing on the RIIO-GT3 Control System Replacement FEED Framework. This preliminary market engagement seeks expressions of interest for the future procurement activities related to the replacement and enhancement of control systems in compressor stations. The industry category for this tender is engineering services, under the utility special regime. Key milestones include expressing interest by 17 December 2025. Located in Warwick, UK, NGT is responsible for managing the National Transmission System, ensuring its safety and reliability while adhering to cyber security standards.

This tender presents significant opportunities for businesses specialising in engineering services, particularly those with expertise in modernising control systems and enhancing cyber resilience. Businesses experienced in infrastructure projects, cyber security, and adherence to national and international standards would be well-positioned to compete. Engaging in this procurement process can offer a pathway to long-term collaboration with NGT, given the extensive contract period from June 2026 to June 2034. Interested participants should engage early by requesting the response template and anticipate potential future competitions through platforms like Achilles UVBD for registration.

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Notice Information

Notice Title

RIIO-GT3 Control System Replacement FEED Framework Expression of Interest

Notice Description

This notice is published to advertise a preliminary market engagement exercise being conducted by National Gas Transmission PLC ("NGT"). NGT is seeking expressions of interest and feedback from the market to support and refine its approach to a forthcoming procurement process in respect of the RIIO-GT3 Control System Replacement FEED Framework. Who are NGT NGT play a vital role in delivering gas to millions of people across Great Britain. NGT owns, manages, and operates the National Transmission System ("NTS") in Great Britain, making gas available when and where it's needed. NGT ensure that the network is safe, reliable and available, and that it delivers value for our customers and stakeholders, while minimising impact on the environment. What is the Control System Replacement Programme The overarching scope of each project in the programme is the complete replacement and upgrading of the compressor station's control systems to enhance cyber resilience. This involves modernising legacy infrastructure, implementing robust cybersecurity measures, and ensuring that the control systems are capable of withstanding evolving digital threats. The upgrades are intended to safeguard operational integrity, protect critical assets, and align with national and international standards for cyber-secure infrastructure. RIIO-GT3 Control System Replacement FEED Framework As NGT approaches the end of RIIO-GT2, it is preparing for its next regulatory period RIIO-GT3 which will cover April 2026 - March 2031. For RIIO-GT3 NGT is exploring an alternative delivery model for the remaining projects in the control system replacement programme, whereby a FEED Partner(s) would be appointed to carry out each projects FEED study. The FEED stage defines the technical, safety, cyber, and operational requirements for the full replacement of control systems across the site, ensuring compliance with NGT standards and NIS Directive obligations. How to express an interest Interested parties are to express an interest by completing and returning the response template. Please request the response template from callum.sparks@nationalgas.com. Additional Information Any subsequent competition will be issued using Achilles UVBD (achilles.com) therefore current registration is advised.

Planning Information

Interested parties are to express an interest by completing and returning the response template. Please request the response template from callum.sparks@nationalgas.com.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05e73f
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/076412-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71300000 - Engineering services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
24 Nov 20253 months ago
Submission Deadline
Not specified
Future Notice Date
17 Dec 2025Expired
Award Date
Not specified
Contract Period
7 Jun 2026 - 7 Jun 2034 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
NATIONAL GAS TRANSMISSION PLC
Contact Name
Callum Sparks
Contact Email
callum.sparks@nationalgas.com
Contact Phone
Not specified

Buyer Location

Locality
WARWICK
Postcode
CV34 6DA
Post Town
Coventry
Country
England
Major Region (ITL 1)
TLG West Midlands (England)
Basic Region (ITL 2)
TLG1 Herefordshire, Worcestershire and Warwickshire
Small Region (ITL 3)
TLG13 Warwickshire CC
Delivery Location
Not specified
Local Authority
Warwick
Electoral Ward
Warwick Myton & Heathcote
Westminster Constituency
Warwick and Leamington

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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