In September 2011 the SEM Committee endorsed the first set of all Island GTUoS tariffs for the tariff year 2011/2012. In the decision paper a number of areas were identified for further examination by the TSOs.
The methodology paper details the two methodologies used to formulate the tariff sets for the tariff year 2012/13. This is accompanied by three tariffs sets for all generators. A SEM cover note details a minded to decision from the SEM Committee and an explanation of this decision.