Electricity Network Assets (Authorised Transactions) Act 2015 No 5
Current version for 1 December 2018 to date (accessed 6 June 2020 at 03:12)
Part 1 Section 4
4   Network infrastructure assets
(1)  In this Act, network infrastructure assets means the following assets that are wholly owned by an electricity network SOC and form part of or are used in connection with the operation of the distribution system, transmission system or street lighting system of the electricity network SOC:
(a)  electricity power lines and their supporting or protective structures and conduits,
(b)  associated equipment,
(c)  street lighting structures,
(d)  buildings,
(e)  plant and machinery (excluding motor vehicles),
(f)  any freehold or leasehold interest in land.
(2)  Freehold or leasehold interests in land that are wholly owned by an electricity network SOC and held for the purpose of their forming part of or being used in connection with the operation of the distribution system, transmission system or street lighting system of the electricity network SOC in the future are also network infrastructure assets for the purposes of this Act.
(3)  Assets that are not required for the purposes of the operation, in the ordinary course, of the distribution, transmission or street lighting system concerned are not network infrastructure assets for the purposes of this Act.
(4)  In this section:
associated equipment means the following:
(a)  electricity substations,
(b)  electricity switchyards,
(c)  transformers,
(d)  capacitors,
(e)  reactive plant,
(f)  protection equipment, including circuit breakers,
(g)  monitoring equipment,
(h)  network communications equipment,
(i)  customer connection assets (excluding meters).