We are today publishing our decision and notice to proceed with modifications to the GNI (UK), Premier Transmission, Belfast Gas Transmission and West Transmission gas conveyance licences to implement single system operation (SSO) for gas Transmission System Operators (TSOs). These include new obligations in relation to the Single System Operation and the Single Network Code. The changes affect all of the high pressure gas conveyance licences in Northern Ireland.
The various modifications are in accordance with Article 14(8) of the Gas (Northern Ireland) Order 1996.
On 24 March 2017, we issued a consultation on this proposed decision. Two responses were received from GNI (UK) and Mutual Energy Ltd. The modifications shown in Annex A to this decision paper will have effect from 5 August 2017.