The NTS Charging Methodology Forum (NTSCMF) is a UNC Workgroup that debates and develops modifications to the transmission charging methodologies in TPD Section Y of the UNC.

The Transmission Workgroup debates and develops modifications and related matters that primarily impact the Transmission Network or the whole GB gas market. This includes energy balancing, NTS entry and exit arrangements, Network Gas Supply Emergencies, security of supply, evolving European Codes, and the provision of information to the market.