(1) An undertaking of Hydro One Inc. (as defined in subsection 2 (1) of the Electricity Act, 1998) or Ontario Power Generation Inc. (as defined in subsection 2 (1) of that Act) that has been approved under the Environmental Assessment Act is not subject to this Act. 1998, c. 15, Sched. E, s. 27 (11); 2002, c. 1, Sched. C, s. 4.