UNC Related Documents

On this page you are able to access both documents specifically referenced in various sections of the UNC, and a selection of more generally related documents. 

General

18 September 2006
UNC - the Summary
These documents provide, firstly, a summary of the UNC itself and, secondly, an overview of the operation of the UNC.
379 KB
583 KB
30 June 2006
UNC Principles of Governance as set out in Chapter 5 of this Ofgem Document (Gas Retail Governance - Further Consultation June 2003)
533 KB
30 June 2006
Chairman's Guidelines
160 KB

Transportation Principal Document

16 November 2009
Network Code Operations Reporting Manual
522 KB
24 September 2009
Energy Balancing Credit Rules
Version V3.12
771 KB
19 March 2009
LDZ Shrinkage Adjustments Methodology
34 KB
09 January 2009
LDZ CSEP NExA: Annex A
64 KB
19 June 2008
Network Code Reconciliation Suppression Guidelines
44 KB
16 November 2007
Operational Rules Governing Supply of Invoice Charges via the Ad-hoc Process
44 KB
19 October 2006
Standards of Service Query Management Operational Guidelines
416 KB
05 July 2006
Uniform Network Code Validation Rules
328 KB
05 July 2006
UK Link Extranet (Password & Login Required)
New users please complete the Security Access Request form available from www.xoserve.com
27 June 2006
ECQ Methodology
Emergency Curtailment Quantity (ECQ) Uniform Calculation Methodology.
20 KB
01 May 2005
Procedures in respect of Shared Meter Supply Points
341 KB

Modification Rules

17 April 2009
User Pays Guidance Document
Version 1.0
330 KB

Offtake Arrangements Document

28 April 2009
Offtake Communications Document
103 KB
16 October 2008
Measurement Error Notification Guidelines for NTS to LDZ and LDZ to LDZ Measurement Installations
123 KB
09 October 2008
Safe Control of Operations Interface Procedures
54 KB
20 February 2007
Gas Demand Forecasting Methodology Cover Note
5 KB
01 May 2005
Work Procedure T/PR/ME2 Part 3 – Validation, Flow Weighted
1211 KB
01 May 2005
Work Procedure T/PR/ME2 Part 2 – Validation, Generic
548 KB
01 May 2005
Work Procedure T/PR/ME2 Part 1 – Validation, General
276 KB
01 May 2005
Work Procedure T/PR/GQ3 Danalyzers
401 KB
01 May 2005
Work Procedure Initial Validation Cover Note
7 KB
01 May 2005
BG Document 76 Cover Note
7 KB
01 May 2005
BG Document 76 (Temperature/Demand Methodology)
1182 KB
 

Many of the files available to download on this page are Acrobat PDF files. To access these you will need Acrobat Reader which is available from the Adobe web site.