The reasons for the changes are :-
• The segregation of Generators which are Participant in the Single Electricity Market and those which are Non Participant
• New Metering Responsibilities for certain Generator sites across the TSO and DSO
• The formalisation of processes surrounding the Suppliers registered against export for Non Participant Generators
• The acceptance that Generators may decide to move from classification as Participant to Non Participant, and vice-versa, as time progresses