(1) For this Act, an "electricity transmission network" consists of infrastructure used, or for use, in relation to the transmission of electricity by a person to an electricity distribution network.
(2) For this Act, an "electricity distribution network" consists of infrastructure used, or for use, in relation to the distribution of electricity by a person for supply to the premises of another person.
(3) In this section:
"infrastructure" means—
(a) powerlines; or
(b) substations and equipment for monitoring, distributing, converting, transforming, or controlling electricity; or
(c) a structure supporting overhead powerlines; or
(d) wires, ducts or pipes for wires, or equipment; or
(e) any other thing ancillary to any other part of the infrastructure.
(4) An "electricity network" does not include infrastructure that is outside the network boundary.