Regulation 21 Metering of plants in simple systems where application for accreditation of the plant was made before 24th September 2013
A class 2 heat meter must be installed to measure the heat in kWhth generated by a plant where—
(a)
the plant is generating and supplying heat solely for one or more eligible purposes within one building;
(b)
no heat generated by the plant is delivered by steam;
(c)
the plant is not a CHP system; and
(d)
the application for accreditation of the plant was made before 24th September 2013.