18.—(1) Paragraph (2) applies if there is more than one environmental permit which authorises—
(a)the operation of mobile plant by the same operator;
(b)the operation of standard facilities, not being standard facilities to which the IPPC Directive applies, by the same operator; or
(c)in any other case, the operation of regulated facilities on the same site by the same operator.
(2) The regulator may replace the environmental permits with a consolidated environmental permit—
(a)applying to the same regulated facilities; and
(b)subject to the same conditions as the permits being replaced.
(3) The regulator may replace an environmental permit which has been varied with a consolidated environmental permit subject to the same conditions.