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  • Structures

    Transpower
    Structures is a point dataset representing Transpower owned high voltage transmission structures. Construction types include; poles, towers (pylons), gantries and termination points. The location of each structure is the ground centre point of the structure. The structures dataset is updated ad-hocly. (Caveat - not all structures comprising New Zealand's...
    Created 20 October 2020 Updated 20 September 2021
  • Spans

    Transpower
    Transpower NZ Transmission Line Spans. This includes all overhead transmission lines. It is representational only of the centerline between each tower, pole or termination. Transpower owns and operates the National Grid - the high voltage transmission network connecting areas of generation with towns and cities across New Zealand. The National Grid is...
    Created 20 October 2020 Updated 20 September 2021
  • Sites

    Transpower
    Transpower sites which include AC stations, DC Stations and Tees. Transpower owns and operates the National Grid - the high voltage transmission network connecting areas of generation with towns and cities across New Zealand. The National Grid is made up of over 12,000 km of transmission lines and more than 170 substations. Electricity is transmitted over...
    Created 20 October 2020 Updated 20 September 2021
  • Transmission Lines

    Transpower
    Transmission Lines is a polyline dataset representing the power lines that are used to transmit electric power across NZ, usually from a power generating station to main substations that make up the National Grid. They are comprised of overhead and underground conducting lines of either copper or aluminium. In NZ these High Voltage (HV) transmission lines...
    Created 20 October 2020 Updated 20 September 2021
  • Cook Strait Protection Zone

    Transpower
    The Cook Strait Cable Protection Zone (CPZ) protects vital submarine electricity and telecommunication cable links between the North and South Islands. The protected HVDC power cables between Fighting Bay in the South Island and Oteranga Bay in the North Island are part of the High Voltage Direct Current (HVDC) cables that transmit power between Benmore...
    Created 20 October 2020 Updated 20 September 2021
  • Iwi Areas of Interest App

    Transpower
    Iwi and Marae Spatial ViewerThe aim of this Webapp is to show the spatial relationship between Transpowers Transmission Grid Network, Iwi and Marae locations. Iwi and Marae data has been sourced from Te Puni Kōkiri Ministry of Māori Development.Please refer to the links below for further information and disclaimer on data sourced from Te Puni KōkiriMarae,...
    Created 20 October 2020 Updated 20 September 2021
  • Line Area Contacts

    Transpower
    Transpower's Line Service Providers. The boundaries and contacts for contractors in charge of Transmission Lines in each area. Transpower owns and operates the National Grid - the high voltage transmission network connecting areas of generation with towns and cities across New Zealand. The National Grid is made up of over 12,000 km of transmission lines...
    Created 20 October 2020 Updated 20 September 2021
  • Sites

    Transpower
    Transpower sites which include AC stations, DC Stations and Tees. Transpower owns and operates the National Grid - the high voltage transmission network connecting areas of generation with towns and cities across New Zealand. The National Grid is made up of over 12,000 km of transmission lines and more than 170 substations. Electricity is transmitted over...
    Created 30 January 2020 Updated 20 September 2020
  • Structures

    Transpower
    Structures is a point dataset representing Transpower owned high voltage transmission structures. Construction types include; poles, towers (pylons), gantries and termination points. The location of each structure is the ground centre point of the structure. The structures dataset is updated ad-hocly. (Caveat - not all structures comprising New Zealand's...
    Created 30 January 2020 Updated 20 September 2020
  • Spans

    Transpower
    Transpower NZ Transmission Line Spans. This includes all overhead transmission lines. It is representational only of the centerline between each tower, pole or termination. Transpower owns and operates the National Grid - the high voltage transmission network connecting areas of generation with towns and cities across New Zealand. The National Grid is...
    Created 30 January 2020 Updated 20 September 2020
  • Transmission Lines

    Transpower
    Transmission Lines is a polyline dataset representing the power lines that are used to transmit electric power across NZ, usually from a power generating station to main substations that make up the National Grid. They are comprised of overhead and underground conducting lines of either copper or aluminium. In NZ these High Voltage (HV) transmission lines...
    Created 30 January 2020 Updated 20 September 2020
  • Cook Strait Protection Zone

    Transpower
    The Cook Strait Cable Protection Zone (CPZ) protects vital submarine electricity and telecommunication cable links between the North and South Islands. The protected HVDC power cables between Fighting Bay in the South Island and Oteranga Bay in the North Island are part of the High Voltage Direct Current (HVDC) cables that transmit power between Benmore...
    Created 30 January 2020 Updated 20 September 2020
  • Line Area Contacts

    Transpower
    Transpower's Line Service Providers. The boundaries and contacts for contractors in charge of Transmission Lines in each area. Transpower owns and operates the National Grid - the high voltage transmission network connecting areas of generation with towns and cities across New Zealand. The National Grid is made up of over 12,000 km of transmission lines...
    Created 30 January 2020 Updated 20 September 2020
  • Energy end use database

    Energy Efficiency and Conservation Authority
    The EECA energy end use database estimates national end use energy consumption broken down by these categories: end use, fuel, sector, technology, transport and building. Regional data is available for the 2012 calendar year and national data is available for the 2013 and 2014 calendar years.
    Created 2 March 2017 Updated 2 March 2017
  • Electricity Market Information

    Electricity Authority
    EMI complements the Authority's corporate website at www.ea.govt.nz by focusing on data, insights, analytics and modelling tools, including vSPD-online. The EMI website works best with modern web browsers. The Authority maintains a comprehensive data warehouse and the EMI website has secure access to a portion of the data warehouse. Service providers,...
    Created 1 March 2017 Updated 1 March 2017