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PROCUREMENT OPPORTUNITY

RIIO-GT3 Control System Replacement FEED Framework Expression of Interest

NATIONAL GAS TRANSMISSION PLC · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 30 Sept 2026, 13:11.

Opportunity overview

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.

Classification

  • CPV71300000 — Engineering services

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-05e73f
Status
planning
Above Threshold
Yes
Main Procurement Category
services

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Lots and requirements

Entry 1
Id
1
Status
planning

Contract period

Ends
7 Jun 2034, 23:59
Starts
8 Jun 2026, 00:00

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
71300000
Scheme
CPV
Description
Engineering services

Planning and budget

Documents

Entry 1
Id
076412-2025
Format
text/html
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Document Type
marketEngagementNotice
Published
24 Nov 2025, 11:59

Milestones

Entry 1
Id
engagement
Type
engagement
Status
scheduled
Due
17 Dec 2025, 23:59
Description
Interested parties are to express an interest by completing and returning the response template. Please request the response template from callum.sparks@nationalgas.com.

Buyer, suppliers and contacts

Organisation 1
Id
GB-COH-02006000
Name
NATIONAL GAS TRANSMISSION PLC

Roles

buyer

Address

Region
UKG13
Country
GB
Locality
Warwick
Postal Code
CV34 6DA
Country Name
United Kingdom
Street Address
National Grid House Warwick Technology Park

Details

Classifications

Entry 1
Id
privateUtility
Scheme
UK_CA_TYPE
Description
Private utility

Identifier

Id
02006000
Scheme
GB-COH

Contact

Name
Callum Sparks

Additional Identifiers

Entry 1
Id
PBXW-9626-VNZM
Scheme
GB-PPON

Recorded locations

  • Buyer location · Warwick · UKG13 · CV34 6DA · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-05e73f-2025-11-24T11:59:51ZPreliminary market engagement notice on Find a Tender ·