Gas codes

The gas codes are:

Xoserve Limited provides a range of services to support the GB gas industry, for example billing services and managing and booking of capacity. Further information on the services is available on the Xoserve website.

Energy suppliers that supply homes or micro-businesses are required to comply with the smart meter installation code of practice (SMICoP). The SMICoP sets out rules and standards of conduct for suppliers installing smart meters.  More information on SMICoP is available on the SMICOP website

For an indication of when we would expect to make a decision on a modification to a code that has been sent to us, please refer to the Code Modification / Modification Proposals with Ofgem for Decision - Indicative Timetable.