63.—(1) This article applies to biomass (other than animal excreta, bioliquid, landfill gas, sewage gas or waste).
(2) ROCs are not to be issued in respect of any electricity generated by a generating station from biomass to which this article applies unless—
(a)the generating station has a total installed capacity of less than 1 megawatt, or
(b)the biomass meets the greenhouse gas criteria and the land criteria.