(1)A public authority—
(a)must consider the energy and environment principles before deciding to give a subsidy in relation to energy and environment, and
(b)must not give the subsidy unless it is of the view that the subsidy is consistent with those principles.
(2)In subsection (1) “subsidy” does not include a subsidy given under a subsidy scheme.
(3)A public authority—
(a)must consider the energy and environment principles before making a subsidy scheme that provides for the giving of subsidies in relation to energy and environment, and
(b)must not make the scheme unless it is of the view that the subsidies provided for by the scheme will be consistent with those principles.
(4)A duty under this section applies in addition to the corresponding duty under section 12.