Western Power chief executive Tony Iannello has foreshadowed a series of major changes, including his own planned departure and the creation of new corporate brands, as the utility prepares for a four-way break-up next year.

Western Power chief executive Tony Iannello has foreshadowed a series of major changes, including his own planned departure and the creation of new corporate brands, as the utility prepares for a four-way break-up next year.