November 2026 Pre-Release

Please be advised that a pre-Release version of the IGT UNC is now available ahead of the November 2026 Scheduled Release. This release will go live with effect from 05:00 on Friday 6th November 2026.

A clean and tracked version of v13.30 of the IGT UNC is now available here. Pre-Release versions of any impacted Ancillary Document can be found here.

Modifications included in this Release

This Release will incorporate changes to the IGT UNC to implement the following Modification:

This Release also incorporates changes to the following ancillary document to deliver changes approved for IGT184:

If any Parties have any comments with regards to this Release, please contact the Code Administrator (IGTUNC@talan.com).

 

GPL047, IPL043 & QPL043 Raised

Please be advised that BUUK had today raised the following Fast Track Self-Governance Modification Proposals:

Please note that these Modifications are Individual Network Code (INC) Modification Proposals.

 Summary of Modifications

A review was undertaken on BUUKs three Independent Gas Transporter (IGT) Licenced INCs, with some outdated information and formatting issues being identified.

The purpose of all three Fast Track Self-Governance Modification Proposals is to make housekeeping changes to update the Quadrant Pipelines Limited (QPL), Independent Pipelines Limited (IPL) and GTC Pipelines Limited (GPL) INCs.

 Next Steps

The Panel will consider these Modifications, which are all proposed to be a Fast Track Self-Governance Modifications, at its meeting 27th November 2026.

Any party objections to these INC Modifications being Fast Track Self-Governance Modification Proposals should be submitted to the IGT UNC Code Administrator (IGTUNC@talan.com) no later than 5pm on 23rd October 2026.

Further Information

Further information, including the Proposal Form and legal text for each Modification can be found on the Modification webpages linked above.

If any parties have any questions about these Modifications, please do not hesitate to reach out to the Code Administrator.

2027-28 NExA Values Approved

Please be aware that on 25th September 2026 the IGT UNC Panel approved the below 2027-28 NExA AQ Review Values:

These values will be implemented on 26th February 2027 (as part of the February 2027 Release). The values will be valid from the day of release.

Any parties with any questions about the NExA AQ Values should contact the Code Administrator (IGTUNC@talan.com).

IGT184 Raised

Please be advised that BUUK has today raised the following Fast Track Self-Governance Modification Proposal:

Summary of Modification

The purpose of this Fast Track Self-Governance Modification Proposal is to correct housekeeping errors within IGT UNC Parts CI-CV, L, O and the IGT UNC Derogations Guidance document, all of which have been reviewed as part of RG008.

Next Steps

The Panel will consider this Modification, which is proposed to be a Fast Track Self-Governance Modification, at its meeting on 25th September 2026.

Any party objections to this Fast Track Self-Governance Modification Proposal should be submitted to the IGT UNC Code Administrator (IGTUNC@talan.com) by 23rd September 2026.

Further Information

Further information, including the Proposal Form and legal text, can be found on the IGT184 page of the IGT UNC website.

If any parties have any questions about this Modification, please do not hesitate to reach out to the Code Administrator.

August Extraordinary Release

We are pleased to confirm that version 13.29 of the IGT UNC went live with effect from 05:00 on 14th August 2026.

A copy of v13.29 (clean and tracked) can be found on the IGT UNC website, here.

Changes included in this Release

This Release incorporated changes to the IGT UNC for the following approved Modification:

This Release also incorporated Phase 2 changes for the following approved Modification:

Phase 1 changes for IGT181 went live on 23rd July 2026.

If any Parties have any comments with regards to this Code Release, please contact the Code Administrator.

July Extraordinary Release

We are pleased inform you that the Extraordinary July 2026 Release is now live, and v13.28 of the IGT UNC has been published today. A change marked and clean version of this Code Release have been uploaded to the IGT UNC website, here.

Modifications included in this Release

This Extraordinary Release went live with effect from 05:00 today and incorporated changes to implement the following Modifications:

If any Parties have any comments with regards to this Extraordinary Release, please contact the Code Administrator.

RG009 Raised

Please be advised that BUUK have raised a new IGT UNC Review Proposal:

Purpose of Review

The Uniform Network Code (UNC) Performance Assurance Committee (PAC) has agreed that further investigation should be undertaken to consider what the introduction of Qualification Requirements for new Shippers under both the Independent Gas Transporter Uniform Network Code (IGT UNC) and UNC might involve.

An equivalent UNC Review Group Request has been raised as 0938R – Introduction of Qualification Requirements for new Shippers’.

This request seeks to explore the elements that could potentially form part of any future market entry requirements within the IGT UNC and UNC.

Next Steps

The Panel will consider the Review Request at its meeting on 1st July 2026.

Further Information

Further information, including the Review Proposal Request Form, can be found on the RG009 page of the IGT UNC website.

If any parties have any questions about this Review, please do not hesitate to reach out to the Code Administrator.

May Extraordinary Release

Please be advised that Version 13.26 of the IGT UNC went live with effect from 05:00 on Friday 29th May 2026.

The updated Code can be found on the IGT UNC website, here.

Changes included in this Release

This Release incorporated the Ofgem designated changes for the implementation of the prioritisation process as set out under Code Reform.

If any Parties have any comments with regards to this Code Release, please contact the Code Administrator.

 

IGT183 Raised

Please be advised that Centrica has today raised the following IGT UNC Modification:

Summary of Modification

IGT UNC Part I 1.15 a) outlines that the Central Data Services Provider (CDSP) has an Agency Function to maintain a record of User emergency contact details. This Modification has been raised to outline the parameters in which the emergency contact details are maintained under Part I 1.15 a) and under what circumstances emergency contact details provided for Larger Supply Points below the Annual Quantity (AQ) threshold (see IGT UNC Part I 8.0 and 9.0) should be recorded and retained.

Next Steps

The Panel will consider this Modification, which is proposed to be a Self-Governance Modification, at its meeting on 29th May 2026.

Further Information

Further information, including the Proposal Form, can be found on the IGT183 page of the IGT UNC website.

If any parties have any questions about this Modification, please do not hesitate to reach out to the Code Administrator.

 

IGT182 Raised

Please be advised that CSL has today raised the following IGT UNC Modification:

Summary of Modification

The purpose of this Fast Track Self-Governance Modification Proposal is to align the existing IGT UNC definition with the UNC definition of the Data Permissions Matrix as proposed by UNC 0921S – Broadening the definition of the Data Permissions Matrix to align with disclosure of UK Link Gemini data.

Next Steps

The Panel will consider this Modification, which is proposed to be a Fast Track Self-Governance Modification, at its meeting on 26th June 2026.

Any party objections to this Fast Track Self-Governance Modification Proposal should be submitted to the IGT UNC Code Administrator (IGTUNC@talan.com).

Further Information

Further information, including the Proposal Form, can be found on the IGT182 page of the IGT UNC website.

If any parties have any questions about this Modification, please do not hesitate to reach out to the Code Administrator.