15.—(1) The Department, after consultation with the Authority, shall by notice in writing make such modifications to, or require the Authority by notice in writing to make such modifications to, an existing licence as the Department or the Authority, as the case may be, considers requisite or expedient to ensure that any activity authorised by the licence is carried out in compliance with the relevant requirements and prohibitions laid down by the Directive.
(2) A notice under paragraph (1) may in particular—
(a)revoke or modify such conditions of; or
(b)include such new conditions in,
an existing licence as the Department or the Authority, as the case may be, considers requisite or expedient for the purposes of that paragraph.
(5) Article 11A(2) to (8) of the 1992 Order shall apply in relation to the modification or revocation of the conditions of, and the inclusion of any new conditions in, an existing licence under this regulation as it applies to the inclusion of any conditions in any other licence under that Article or Article 11 of the 1992 Order and any reference in the 1992 Order to Article 11A or to any provision thereof shall be construed as including a reference to that provision as so applied.
(6) Subject to Article 38(1) of the Energy Order, modifications made to a licence under this regulation are without prejudice to the power of the Department, the Authority, the Secretary of State, the Office of Fair Trading or the Competition Commission, as the case may be, to further modify that licence under or in accordance with the 1992 Order or the Energy Order.