Private company

Transpower New Zealand

New Zealand state-owned power transmission company

Transpower New Zealand Limited (TPNZ), known simply as Transpower, is the state-owned enterprise responsible for maintenance and transmission of the electric power grid in New Zealand.2 It is part of Electricity Corporation of New Zealand.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1994Founded1
  • Industryelectric power industry1
  • HeadquartersWellington1
  • Websitewww.transpower.co.nz
  • Legal formLimited Compnay3
  • LEIL33L76GHI1OSBKDQ26233
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressWaikoukou, 6011 Wellington, New Zealand3
  • Registered withCompanies Office (Ministry of Business Innovation and Employment), 94290395142263

Transpower New Zealand Limited (TPNZ), known simply as Transpower, is the state-owned enterprise responsible for maintenance and transmission of the electric power grid in New Zealand. It performs two major functions in the New Zealand electricity market: as the owner of the National Grid, it provides the infrastructure of electric power transmission that allows consumers to have access to generation from a wide range of sources, and enables competition in the wholesale electricity market; and as system operator, it manages the real-time operation of the grid and the physical operation of the 2

Corporate structure

Transpower New Zealand is part of a group headed by Electricity Corporation of New Zealand. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1994Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3