Skip to main content

Joint Office of Gas Transporters

What's New
CACoP
Contact Us

Member Only Content

Events
- Events Calendar

- Meetings Search
Modifications & Workgroups
Modification Panel

- 2026 Meetings

- 2025 Meetings

- 2019-2024 Meetings

- UNC Elections

- Panel Members Contact Details

Workgroups

- Distribution

- DNCMF

2025 Meetings

- Gas Quality

- Governance

- NTSCMF

- Offtake Arrangements

- Transmission

- Code Reform: BAU Readiness & Integration

Modifications

- Live Modifications

- Consultation

- Ofgem Decisions

- Awaiting Implementation

- Closed Modifications

- Consents to Modify

- Templates

- Process Diagrams

- Significant Code Reviews

- Modification Register

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 enquiries@gasgovernance.co.uk
A copy of the Legal Text Guidance Document is available at: http://www.gasgovernance.co.uk/gendocs
A copy of the Modification Register is available at: https://www.gasgovernance.co.uk/mods
View More
Committees & Forums
UNIFORM NETWORK CODE COMMITTEE

UNCC Sub Committees

- AUG

- DESC

- EBCC

- Offtake

- PAC

- IGTAD

DSC Committees

- Change Management Committee

2025 Meetings

- Contract Management Committee

- Credit Committee

SHRINKAGE FORUM

UNC Workgroup and Modifications meetings are located under the Modifications Tab.
Derogations
- Derogations

D0001

D0002

- Derogation Process
Uniform Network Code (UNC)
UNC Document

- General

- Offtake Arrangements Doc

- Transportation Principal Doc

- European Interconnection Doc

- IGT Arrangements Doc

- Updates

UNC Related Documents

- General

- OAD

- TPD

- EID

European Network Code

Individual Network Code

Network Code

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.
Industry Information
Distribution Networks

- AUG Information (Post 2017)

- DN Charges

2026 Reports

- DN Interruption

- Gas Transporter Documentation

- Measurement Error

NE001 - Towton MTA

- Metering Validation Reports

- Shrinkage Publications

- Shrinkage Assessment and Adjustment Archive

Shrinkage Forum 27 January 2025

- Theft Reports

GSR Reports

National Transmission System

- NTS Charges

- NTS Auctions

- Safety Monitors

- Operating Margins

- NTS Gas Quality Parameters

Central Data Services Provider / Data Services Contract

- CDSP Archive

- DSC / CDSP Documents

- DSC Change Proposals

HORIZON PLANNING
Code Reform
About Us
- JO Governance

- People

- Contact Us
Help
- Critical Friend Top 5

- How we can help ...

- A - Z of Contents

- Useful Hints

- Useful Links

- Site Map

Help

We have produced a short guide to what you can expect of us, which includes links to some industry websites, available in the Help menu
Archived Code Updates
Archived Modifications

Menu

DN Entry/Exit Charging Consultation

AUG Information 2021 to 2026
DN Charges
DN Entry/Exit Charging Consultation
Gas Transporter Documentation
Measurement Error Reports
Metering Validation Reports (Offtake Meter Performance Report)
DN Interruption
Gas Customer Forum
Shrinkage Forum
Theft of Gas Reports

Related Files

File

Entry Gas Connection Charging Consultation (24 June 2022)

Download All Files

← Back DN Charges

↑ Up Distribution Networks

Forward → Gas Transporter Documentation

Footer menu 1

About Us
Contact us
Useful links

Footer menu 2

Cookie Policy
Privacy Policy
Site map

enquiries@gasgovernance.co.uk

Contact

Joint Office of Gas Transporters

Radcliffe House

Blenheim Court

Warwick Road

Solihull

B91 2AA

Operated by Encodar Limited: Company registered in England & Wales No: 13349459.

© Copyright 2026 Joint Office of Gas Transporters | Site built by Adaptive Web Ltd

Events
- - Events Calendar
- - Meetings Search
Modifications & Workgroups
Committees & Forums
Derogations
- - Derogations
  - D0001
  - D0002
- - Derogation Process
Uniform Network Code (UNC)
Industry Information
Code Reform
About Us
Help
Archived Code Updates
Archived Modifications