After section 20Q—
insert—
'(1) A light rail franchisee for a light rail franchise agreement, or a light rail manager for a light rail, is exempted from section 88A in relation to the supply of electricity used—
(a) in connection with the building or use of electrical installations and other works required under a light rail franchise agreement; or
(b) for powering rolling stock and railway signals for a light rail.
'(2) In this section—
light rail franchisee means a franchisee for a light rail franchise agreement under the Transport Infrastructure Act 1994, schedule 6.'.