A disposal authority may, subject to subsection (2) of this section,—
and, in an emergency, use other fuel instead of waste to produce the heat or electricity;
and a disposal authority may use, sell or otherwise dispose of any heat or electricity produced by the authority by virtue of this section.
Nothing in subsection (1) of this section shall be construed as exempting a disposal authority from the requirements of Part I of the Electricity Act 1989.
Subsection (6) of section 12 of this Act (except paragraph (b) of that subsection) and subsection (7) of that section (except so much of it as relates to the Pipe-lines Act 1962) shall have effect in relation to a disposal authority as if the reference in the said subsection (6) to the collection of waste in pursuance of that section included the conveying of heat produced by the authority by virtue of this section and of air, steam and water heated by such heat.
It shall be the duty of a disposal authority by which an installation for producing heat is operated in pursuance of this section in any year to furnish to the Secretary of State, as soon as practicable after the end of that year, such particulars relating to the installation and heat produced at it as are prescribed.
Nothing in this section . . . shall be construed as prejudicing any power exercisable by a disposal authority apart from this section.