25.—(1) Where paragraph (2) applies, the Authority must—
(a)give authorisation for the metering arrangement; and
(b)notify the applicant that the authorisation application has been successful.
(2) This paragraph applies if the Authority is satisfied that—
(a)all eligible meters located in accordance with the metering arrangement are positioned in accordance with the relevant paragraph of regulation 15 or 16;
(b)the requirements set out in paragraph (3) are met; and
(c)the requirements set out in paragraphs (4) to (6) are met as applicable.
(3) The requirements set out in this paragraph are that the location and type of eligible meters identified in the metering arrangement will or would if the plant (“plant A”) were given accreditation, enable sufficient information to be gathered for the Authority to calculate plant A’s eligible metered heat in a way that will not result in RHI payments which are materially greater than if eligible meters were installed in accordance with regulation 15(2) (for biomass plants) or 16(2) (for heat pumps).
(4) The requirements set out in this paragraph are that, if eligible meters are positioned in accordance with paragraph (3) or (4) of regulation 15 or paragraph (3) or (4) of regulation 16, the heat output from plant A cannot be metered separately from the heat output from another plant (“plant B”).
(5) The requirements set out in this paragraph are that, if eligible meters are installed in accordance with paragraph (4) of regulation 15 or paragraph (4) of regulation 16—
(a)eligible meters cannot be installed to record separately the heat output from plant B; and
(b)other measurements recorded by eligible meters can be used to calculate the heat output from plant A.
(6) The requirements set out in this paragraph are that, if eligible meters are installed in accordance with paragraph (5) of regulation 16, plant A is a heat pump which is capable of providing heating as well as cooling.