Where the total obligation for an obligation period is calculation A, the number of renewables obligation certificates that a designated electricity supplier is required to produce in order to discharge its renewables obligation in respect of electricity that it supplies to customers in Scotland during that period is, for each megawatt hour so supplied, the figure set out in the second column of Schedule 1 that corresponds to that period.

Where the total obligation for an obligation period is calculation B, the number of renewables obligation certificates that a designated electricity supplier is required to produce in order to discharge its renewables obligation in respect of electricity that it supplies to customers in Scotland during that period is, for each megawatt hour so supplied, equal to–

figuresetoutinsecondcolumnofSchedule1forthatperiod×calculation B for that periodcalculation A for that period

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The Scottish Ministers must publish, by the 1st October preceding an obligation period, the number of renewables obligation certificates that a designated electricity supplier is required to produce in respect of each megawatt hour of electricity that it supplies to customers in Scotland during that period in order to discharge its renewables obligation for that period M1.