- 19th September 2018
- Code Administration Code of Practice
- Contact Us
- How to Find us
- IGT Guidance and Correspondence
- IGT UNC
- IGT UNC and Related Documents
- IGT110 – Mandating the provision of NDM sample data
- IGT112V – Refinements to the RPC Template
- Independent Gas Transporters (IGTs)
- Legal and Privacy Statement
- Modification Panel Meetings
- 2014 Panel Meetings
- 2015 Panel Meetings
- 2016 Panel Meetings
- 2017 Panel Meetings
- 12th April Extraordinary 2017
- 15th February 2017
- 15th March 2017
- 15th November 2017
- 16th August 2017
- 17th May 2017
- 18th January 2017
- 18th October 2017
- 19th April 2017
- 19th July 2017
- 20th December 2017
- 20th September 2017
- 21st June 2017
- February Extraordinary 2017
- January Extraordinary 2017
- May Extraordinary 2017
- 2018 Panel Meetings
- Modification Workstream Meetings
- Modifications
- Closed Consents to Modify
- Closed Modifications
- Closed Modifications – UGI
- UGI034 GTC0343 GPL042
- UGI035/GTC0344/GPL043 – Mandatory Use of Defined CSV File Formats for CoS and CoS Meter Reading
- UGI036V/GTC0345V/GPL044V – Changes to the defined CSV F303 and F304 Voluntary Withdrawal File Formats
- UGI037/GTC0346/GPL045 – Clarification of I&C RPC Migration Dates for I&C Sites which have an Ofgem RPC derogation
- UGI038-GTC0347-GPL047 Removal of SPA Fax Forms Appendix 2 from the INC
- ENE001F – Changes to the Energetics Gas Limited Individual Network Code following a change to its registered address
- ES Pipelines Gas Meter Charges Publication
- FPL001S – Changes to the Fulcrum INC for SSP
- GPL046 – Migration Dates for Non-Domestic Sites which have an Ofgem RPC derogation
- GPL048S – Changes to the GPL Individual Network Code in line with Single Service Provision Changes
- IGT001 to IGT025
- IGT001 – IGT Standards of Service
- IGT002 – Portfolio Extract
- IGT003 – AQ Tables
- IGT004 – Supply Point Administration (SPA) File Formats
- IGT005 – IGT AQ Review
- IGT006 – Issue of Estimated Transportation Invoices in the Event of System Failure
- IGT007 – RPC Invoice File Formats
- IGT008 – Ancillary Document
- IGT009 – AQ Tables
- IGT010 – 15 Day Modification Rule
- IGT011 – Estimated Meter Reads
- IGT012 – Amendment to the Meter Read Window
- IGT013 – Meter Inspection File Formats
- IGT014 – Meter Reading Validation Rules
- IGT015 – Cyclic Meter Readings
- IGT016 – Frequency of Cyclic Meter Readings
- IGT017 – Change Plan for the IGT UNC Modification Process
- IGT018 – Determination of Implementation Dates by Panel
- IGT019 – Panel Membership Rules
- IGT020 – Opening Read Submission Window
- IGT021 – Credit Rules
- IGT022 – Metering Charges Statement
- IGT023 – Inspection Notification File Format
- IGT024 – Inspection Notification File Numbering
- IGT025 – Window for Submitting Meter Readings
- IGT026 to iGT050
- IGT026 – Password Protection Protocols
- IGT027V – Inclusion of Last Valid Read and Read Date to Portfolio Extract
- IGT028 – Remove the Must Read process for annually read sites
- IGT029 – IGT Meter Reading and Inspection File Naming Convention
- IGT030 – Review of CSEP NExA AQ Table values
- IGT031V – Amendment to AQ values present within the CSEP NExA Table to take account of revised Seasonal Normal Data
- IGT032 – Voluntary Withdrawal Process
- IGT033 – Consider the duration of changes against wider industry changes
- IGT034 – Designation of existing ‘AQ Procedures’ document as an Ancillary Document
- IGT035 – Improving the availability of read history and Asset Provision
- IGT036 – Portfolio Extract Amendment Correction Factor
- IGT037 Inclusion of SPA Fax Forms as a Ancillary Document
- IGT038 Periodic AQ Calculation (Rolling AQ)
- IGT039 Use of a Single Gas Transporter Agency for the common services and systems and processes required by the iGT UNC
- IGT040V Amendment to AQ Values present within the CSEP NExA Table
- IGT041 EU 3rd Package – 3 Week Switching
- IGT042 EU 3rd Package – 21 day switching with flexible objection period
- IGT043 Consolidation and alignment of invoicing data
- IGT044 Password Protection Protocol Special Needs
- IGT045 Meter Point Supply Pressure
- IGT046DG Revision to the Modification Rules
- IGT047 – Inclusion of data items relevant to smart metering into existing industry systems
- IGT048 – Estimated Opening Meter Reads Code Amendment
- IGT049 – Tolerance for SSP Sites
- IGT050 – iGT and Shipper Metering Communications Ancillary Document
- IGT050A – Third Party Metering Activity and MAM ID Communication
- IGT051 to iGT075
- IGT051 ANC – Amendment of IGT AQ Review Procedures document – Addition of additional reporting
- IGT052 – Revisions to the Modification Rules in Response to CGR2
- IGT053 – Introduction of annual updates to the AQ values within the CSEP NExA table
- IGT054 – Alternative Profile for Pre-Payment Smart Meters
- IGT054A – Alternative Profile for Pre-Payment Smart Meters (ALT)
- IGT054AA – Alternative Profile for Pre-Payment Smart Meters
- IGT055 – Single Meter Supply Points
- IGT056 – UPRN Provision
- IGT057S – Creating CSEP NExA Ancillary
- IGT058S – Recognition of the ‘2nd January’ Scottish Bank holiday as a Business Day for Supply Point related transactions
- IGT059DG – Supply Point Registration – Facilitation of Faster Switching
- IGT060 – CSEP NExA Update Following 2013 AQ Review
- IGT061F – Housekeeping Changes to Section L (Modification Rules)
- IGT062 – Independent Secretariat Services for Modification Work Groups
- IGT062A – Independent Secretariat Services for Modification Work Groups
- IGT062AA – Independent Secretariat Services for Modification Work Groups
- IGT063 – Change to the iGT UNC Gas Day to align with the Gas Day in EU Network Codes
- IGT064 – Removal of Ancillary Document Self-Governance
- IGT065F – Update of T-PR-GT4 reference within the iGT Network Code
- IGT066 – Aligning UNC with Licence conditions relating to European legislative change and Alternative Modification Proposals
- IGT067F – Update of references to the CSEP NExA Table within the iGT UNC
- IGT068ANC – Minor change to iGT047 Ancillary Document – SMU file naming convention “Environment”
- IGT069S – The removal of K1.2(e)(ii) – use of Upstream System User agreements
- IGT070S – Removal of redundant Ancillary documents following the implementation of Single Service Provision
- IGT071 – Updating the IGT AQ Review Procedures Ancillary Document
- IGT072(/V) – Non-effective Days for Cutover to Single Service Provision
- IGT073S – Consequential Changes to the ‘Pipeline Operator Standards of Service Query Management’ Ancillary Document
- IGT074S – Amendment of Password Protection Ancillary document
- IGT075S – Identification of Supply Meter Point pressure tier
- IGT076 – IGT100
- IGT076S – Amendment of RPC format in line with Single Service Provision
- IGT077S – Amendment of Portfolio Extract format in line with Single Service Provision
- IGT078S- Ancillary Document for the New Connections process
- IGT079S – Adding Non-domestic New Connections Framework Ancillary Document
- IGT080S – Mandating IGT use of data as administered by the Pipeline Operators’ Agency for Shipper Transportation Billing
- IGT081F – Correcting Incorrect Definition for Project Nexus Go Live Date
- IGT082 – IGT Single Service Provision, noneffective Days for cutover in 2016
- IGT083S – Correction to PSR Process to Support SSP Arrangements
- IGT084 – Clarification on IGT RPC Invoice Template IGT084
- IGT085F – SSP Housekeeping Changes
- IGT086 – CDSP Changes
- IGT087 – Revision to the Modification Rules in Response to CGR3 – Significant Code Review Modifications
- IGT088 – Determining Implementation of Self Governance Modifications
- IGT089 – Revision to the Modification Rules in Response to CGR3 – Self Governance
- IGT090F – Changes to the IGT039 legal text following a review of UNC legal text
- IGT091S – Amending rules for appointing Pipeline User Representatives
- IGT092 – Implementation of Non-Effective days for Project nexus Implementation (Project Nexus transitional modification)
- IGT092A – Implementation of Non-Effective days for Project nexus Implementation, maintaining a minimum of two Supply Point System Business Days (Project Nexus transitional modification)
- IGT093F – Changes to the CSEP NExA Tables Ancillary document to correct the effective dates on 2 of the tables
- IGT094F – Amendments to file format types for IGT078 and IGT079 flows
- IGT094F – Amendments to file format types for IGT078 and IGT079 flows
- IGT095 – Provision of access to Domestic Consumer data for Price Comparison Websites and Third Party Intermediaries
- IGT096F – Correction to the iGT083 legal text now IGT078/79 are complete
- IGT097 – Provision for allowing consecutive estimated invoicing in the event of System Failure by the CDSP
- IGT098F – Changes to the IGT UNC Code due to changes to the UNC Code.
- IGT099 – Transitional AQ arrangements for IGTs as a result of a delay in Nexus implementation
- IGT100 – Reinstating Asset Query Codes
- IGT101 to IGT125
- IND001S – Changes to the Indigo Pipelines INC as a result of SSP implementation
- IND002S – Change to Supplier File Formats
- IPL QPL Modifications
- IPL QPL 034 – Supply Points Confirmation.
- IPL QPL 035 – Supply Point Confirmation
- IPL QPL 036 – Supply Point Registration on the QPL Network
- IPL QPL 037 – Invoice Credits
- IPL/QPL039 – Inclusion of MAM and GAO details in TAS flows
- IPL/QPL040 – Inclusion of last inspection date to T16
- IPL038 – Remove TAS Specific Change Processes from INC
- IPL041S – Changes to the IPL Individual Network Code in line with Single Service Provision Changes
- QPL038 – Remove TAS Specific Change Processes from INC
- QPL041S – Changes to the QPL Individual Network Code in line with Single Service Provision Changes
- Closed Modifications – UGI
- Development Groups Pre 2011
- Modifications Register
- Open Consents to Modify
- Open Modifications
- IGT 118 – Amendments to the IGT UNC Password Protection Protocols
- IGT102 – Enduring solution for provisions that allow consecutive estimated invoicing in the event of System Failure by the CDSP
- IGT103 – Inclusion of reference within IGT UNC to UNC TPD Section G paragraph 2.12 – 2.14 inclusive – Meter Point Portfolio Reconciliation
- IGT104 – Permissions modification to allow the CDSP to release IGT supply point information under UNC MOD0520A
- IGT105 – Creating permissions for the CDSP to release data to Meter Asset Providers
- IGT106 – Provision of access to Domestic Consumer data for Suppliers
- IGT107F – Correcting the consumption adjustment reads within IGT UNC
- IGT108F – Updating references for UNC434
- IGT109F – Amending the IGT UNC legal text to reflect changes to the UNC made by UNC632S
- IGT111 – Updating of the IGT UNC data permissions
- IGT113V – Amendments to the CSEP NExA Table Ancillary Document and associated templates
- IGT114 – Extending the data available to Suppliers under K24.3(l)
- IGT115 – Update to IGT UNC to formalise the Data Permissions Matrix
- IGT116 – Enabling permissions for the provision of information to Alt Han Company to support smart metering roll-out
- IGT117 – Introduction of winter read/consumption reports and associated obligations
- Review Proposals Pre 2011
- Closed Review Proposals
- IGT030RP – Review of CSEP NExA AQ Table
- IGTRP001 Review of IGT UNC Modification Rules
- IGTRP002 Review of IGT Settlements and Reconciliations
- IGTRP003 Review of AQ Tables
- IGTRP004 Review of Indvidual Supply Point Reconciliations
- IGTRP005 Review of AQ Tables
- IGTRP006 Review of Indvidual Supply Point Reconciliations
- IGTRP007 Shrinkage Review proposal
- IGTRP008 Single Gas Transporter Agency
- IGTRP009 – Removal of Metering Arrangements from the IGT UNC
- Open Review Proposals
- Closed Review Proposals
- Self Governance Modification Rules
- Project Nexus Impacts on the IGT UNC
- Related Websites
- Review Groups
- Site Map
- Website Terms of Use
Modifications
- 15 Day Modification Rule
- Adding Non-domestic New Connections Framework Ancillary Document
- Aligning UNC with Licence conditions relating to European legislative change and Alternative Modification Proposals
- Alternative Profile for Pre-Payment Meters
- Alternative Profile for Pre-Payment Meters (ALT)
- Alternative Profile for Pre-Payment Smart Meters
- Amending IGT UNC legal text to reflect changes to the UNC made by UNC570
- Amending Rules for Appointing Pipeline User Representatives
- Amending the IGT UNC legal text to reflect changes to the UNC made by UNC632S
- Amendment of IGT AQ Review Procedures Document
- Amendment of Password Protection Ancillary document
- Amendment of Portfolio Extract format in line with Single Service Provision
- Amendment of RPC format in line with Single Service Provision
- Amendment to AQ Values present within the CSEP NExA Table
- Amendment to AQ Values present within the CSEP NExA Table to take account of revised Seasonal Normal Data
- Amendment to AQ Values present within the CSEP NExA Table to take account of revised Seasonal Normal Data
- Amendments to file format types for IGT078 and IGT079 flows
- Amendments to the CSEP NExA Table Ancillary Document and associated templates
- Amendments to the IGT UNC Password Protection Protocols
- Ancillary Document
- Ancillary Document for the New Connections process
- AQ Review amendment to tolerance for SSP sites
- AQ Review in line with UNC
- AQ Tables
- AQ Tables
- AQ Tables
- Central Data Service Provider – Implementing IGT UNC changes to support FGO
- Change Plan for IGT UNC Modifications
- Change to the IGT UNC Gas Day to align with the Gas Day in EU Network Codes
- Changes to the CSEP NExA Tables Ancillary document to correct the effective dates on 2 of the tables
- Changes to the IGT UNC Code due to changes to the UNC Code
- Changes to the IGT039 legal textfollowing a review of UNC legal text
- Clarification on IGT RPC Invoice Template
- Consequential Changes to the ‘Pipeline Operator Standards of Service Query Management’ Ancillary Document
- Consider the duration of changes against wider industry developments
- Consolidation and Alignment of IGT Invoicing
- Consolidation and Alignment of IGT Invoicing
- Consolidation and Alignment of IGT Invoicing
- Correcting Incorrect Definition for Project Nexus Go Live Date
- Correcting the consumption adjustment reads within IGT UNC
- Correction to PSR Process to Support SSP Arrangements
- Correction to the IGT083 legal text now IGT078/79 are complete
- Creating permissions for the CDSP to release data to Meter Asset Providers
- Creation of new Ancillary Document to reference historic version of the CSEP NExA Table
- CSEP NExA Update Following 2013 AQ Review
- Cyclic Meter Readings
- Cyclic Meter Readings
- Cyclic Meter Readings
- Designation of existing ‘AQ Procedures’ document as an Ancillary Document
- Determining Implementation of Self Governance Modifications
- Enabling permissions for the provision of information to Alt Han Company to support smart metering roll-out
- Enduring solution for provisions that allow consecutive estimated invoicing in the event of System Failure by the CDSP
- Estimated Meter Reads
- Estimated Opening Meter Reads Code Amendment
- Estimated Transportation Invoices
- EU 3rd Package – 21 day switching with fixed objection period
- EU 3rd Package – 3 Week Switching
- Extending the data available to Suppliers under K24.3(l)
- Frequency of Cyclic Meter Readings
- Identification of Supply Meter Point pressure tier
- IGT and Shipper Metering and Communications Ancillary Document
- IGT Meter Reading and Inspection File Naming Convention
- IGT Single Service Provision, non-effective days for cutover in 2016
- Implementation of Non Effective Days for Project Nexus Implementation (Project Nexus transitional modification)
- Implementation of Non-Effective days for Project nexus Implementation, maintaining a minimum of two Supply Point System Business Days (Project Nexus transitional modification)
- Improving the availability of read history and Asset provision
- Inclusion of data items relevant to smart metering into existing industry systems
- Inclusion of Last Accepted Read and Read Date to Portfolio Extract
- Inclusion of Last Valid Read and Read Date to Portfolio Extract
- Inclusion of reference within IGT UNC to UNC TPD Section G paragraph 2.12 – 2.14 inclusive – Meter Point Portfolio Reconciliation
- Inclusion of SPA Fax Forms into the ancillary Document
- Independent Secretariat Services for Modification Work Groups
- Independent Secretariat Services for Modification Work Groups
- Independent Secretariat Services for Modification Work Groups
- Inspection Notification File Format
- Inspection Notification File Numbering – Consecutive
- Inspection Notification File Numbering – Consecutive
- Inspection Notification File Numbering – Consecutive
- Inspection Notification File Numbering – Sequential
- Inspection Notification File Numbering – Sequential
- Inspection Notification File Numbering – Sequential
- Introduction of annual updates to the AQ values within the CSEP NExA table
- Introduction of Credit Rules
- Introduction of winter read/consumption reports and associated obligations
- Mandating IGT use of Xoserve Portfolio Data for Shipper Transportation Billing
- Mandating the provision of NDM sample data
- Meter Inspection File Formats
- Meter Inspection File Formats
- Meter Inspection File Formats
- Meter Point Supply Pressure
- Meter Read Window
- Meter Reading Validation Rules
- Minor change to IGT047 Ancillary Document – SMU file naming convention “Environment”
- Minor changes to Section L Mod Rules
- Mod Implementation Dates
- Non-Effective Days for Cutover to SSP
- Opening Reads Submission Window
- Panel Membership Rules
- Password Protection Protocols
- Password Protection Protocols
- Password Protection Protocols for Sensitive Personal Data
- Periodic Annual Quantity Calculation (Rolling AQ)
- Permissions modification to allow the CDSP to release IGT supply point information under UNC MOD0520A
- Portfolio Extract
- Portfolio Extract
- Portfolio Extract
- Portfolio Extract Amendment Correction Factor
- Provision for allowing consecutive estimated invoicing in the event of System Failure by the CDSP
- Provision of access to Domestic Consumer data for Price Comparison Websites and Third Party Intermediaries
- Provision of access to Domestic Consumer data for Suppliers
- Recognition of the ‘2nd January’ Scottish Bank holiday as a Business Day for Supply Point related transactions
- Refinements to the RPC Template
- Reinstating Asset Query Codes
- Removal of Ancillary Document Self-Governance
- Removal of Ancillary Documents following the implementation of SSP
- Remove references to the “Metering Charges Statement”
- Remove the Must Read process for annually read sites
- Review of CSEP NExA AQ Table Values
- Revision to the Modification Rules
- Revision to the Modification Rules in Response to CGR2
- Revision to the Modification Rules in Response to CGR3 – Self Governance
- Revision to the Modification Rules in Response to CGR3 – Significant Code Review Modifications
- RPC Invoice File Formats
- RPC Invoice File Formats
- Single Meter Supply Points
- SPA File Formats
- SSP Housekeeping Changes
- Standards of Service
- Standards of Service
- Standards of Service
- Supply Point Registration – Facilitation of Faster Switching
- The removal of K1.2(e)(ii) – use of Upstream System User agreements
- Third Party Metering Activity and MAM ID Communication
- Transitional AQ arrangments for IGTs as a result of a delay in Nexus Implementation
- Update of references to the CSEP NExA Table within the iGT UNC
- Update of T-PR-GT4 reference within the IGT Network Code
- Update to IGT UNC to formalise the Data Permissions Matrix
- Updating of the IGT UNC data permissions
- Updating references for UNC434
- Updating the IGT AQ Review Procedures Ancillary Document
- UPRN Provision
- Use of a Single Gas Transporter Agency for the common services and systems and processes required by the IGT UNC
- Voluntary Withdrawal Process
- Window for Submitting Meter Readings