Last updated: 17 Oct 2024
Guide to preparing an Expression of Interest
Expressions of Interest are invited during the months of April and October each year
Last updated: 17 Oct 2024
Expressions of Interest are invited during the months of April and October each year
Last updated: 01 May 2026
Our CommunityCare Fund assists communities affected by Transpower's overhead lines and substations by investing in their local projects that add real value and long-term benefits to those communities.
Last updated: 15 Jun 2026
Our Consumer Advisory Panel provides a voice for consumers and the connection between Transpower and the wider community.
Last updated: 17 Feb 2023
Our fourth Regulatory Control Period (RCP4) runs 1 July 2025 - 30 June 2030.
Last updated: 12 Dec 2023
Our RCP4 consultation document provided an opportunity for you to give input on how we manage the National Grid.
Last updated: 01 Dec 2025
Power system loads in the South Island north of Waitaki Valley (Zone 3)
Last updated: 28 May 2024
Power system loads in the North Island north of Huntly (Zone 1)
Last updated: 28 May 2024
Loads in each of the 14 operational zones across New Zealand's power system.
Last updated: 01 Dec 2025
Live load data for each of our operational zones across the country.
Last updated: 12 Dec 2023
Transfer of electricity across the HVDC system linking the North and South Islands.