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    UNC Modifications

    Modifications can be raised by any party to the UNC and should be made on the standard forms available at: 
    www.gasgovernance.co.uk/unc/templates. 

    Modifications should be sent to 
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    A copy of the Legal Text Guidance Document is available at: 
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    A copy of the Modification Register is available at: https://www.gasgovernance.co.uk/mods

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    Documentation related to the UNC and its development are available from these pages.  This includes the latest version of the UNC itself, modifications, and all related meetings. Copies of the Transporters' Individual Network Codes are also provided

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  • CACoP

Transportation Principal Document

  1. UNC Related Documents
  2. Transportation Principal Document
pdf
UNC Operations Reporting Manual Version 14 (16 October 2020) 199.35 KB
xls
UNC Data Dictionary Version 14 (16 October 2020) 821 KB
pdf
AQ Validation Rules 156.67 KB
pdf
Class 1 Ratchet Charge Guidelines Document 148.64 KB
pdf
Customer Settlement Error Claims Process – Guidance Document 235.46 KB
pdf
Demand Estimation Methodology (applicable from 10 April 2019) 175.68 KB
pdf
Default System Marginal Price Statement (applicable from 01 October 2020) 31 KB
pdf
Energy Balancing Credit Rules (applicable from 01 May 2017) 1.21 MB
pdf
Emergency Curtailment Quantity (ECQ) Methodology 137.27 KB
pdf
Energy Settlement Performance Assurance Regime 69.79 KB
pdf
Framework for the Appointment of an Allocation of Unidentified Gas Expert 234.53 KB
pdf
Guidelines for Sub-Deduct Arrangements (Prime and Sub-Deduct Meters) 1.11 MB
pdf
LDZ Shrinkage Adjustment Methodology 151.8 KB
pdf
Performance Assurance Report Register (PARR) 839.84 KB
pdf
Shared Supply Meter Points Guide and Procedures 142.35 KB
pdf
Shipper Communications in Incidents of CO Poisoning, Gas Fire/Explosions and Local Gas Supply Emergency 427.93 KB
pdf
Standards of Service Query Management Operational Guidelines 287.6 KB
pdf
UNC Validation Rules (applicable from 19 October 2019) 306.92 KB

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  • UNC Related Documents
    • General
    • Transportation Principal Document
    • Offtake Arrangements Document
    • European Interconnection Document
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