20.—(1) The eligibility criteria are not met if the plant—
(a)is generating heat predominantly for the use of one domestic premises, except where it is also generating heat for one or more other domestic premises;
(b)is, in the Authority's opinion, generating heat solely for a purpose which is not an eligible purpose, or for an excluded heat use within the meaning of regulation 3(4); or
(c)is a plant which—
(i)is additional RHI capacity and was first commissioned more than 12 months after the original installation (within the meaning of regulation 76) was first commissioned;
(ii)generates heat using a solar collector or, in the case of additional RHI capacity commissioned before 4th December 2013, using biogas; and
(iii)has an installation capacity which, together with the installation capacities of all related plants, is 200kWth or above.
(2) For the purposes of this regulation, “
” means any plant for which an application for accreditation has been made (whether or not it has been accredited) which uses the same source of energy and technology and forms part of the same heating system as the plant referred to in paragraph (1)(c).