Waikato and Upper North Island (WUNI) Upgrade
Last updated: 28 Feb 2025
We're making investments to manage voltage stability in the Waikato and Upper North Island regions.
Projects
Frankton Upgrade Project
Last updated: 27 Feb 2025
Information about our work to upgrade the Cromwell to Frankton line and the transformers at Frankton substation.
Southern Waikato Regional Network Investigation
Last updated: 27 Feb 2025
Transpower is commencing work to identify the need for investment on the southern Waikato 110 kV network.
Edgecumbe to Kawerau Lines - Thermal Upgrade
Last updated: 27 Feb 2025
Transpower is undertaking work to release more capacity in its network between Edgecumbe and Kawerau.
Enabling Huapai
Last updated: 27 Feb 2025
Huapai has an existing switching station which will need to develop into a substation to provide Northland more resilience and be available for demand growth in North Auckland.
Central North Island 220 kV Capacity Project
Last updated: 27 Feb 2025
This project is about increasing the capacity of the 220 kV grid between Bunnythorpe and Whakamaru.
Western Bay of Plenty Development Plan
Last updated: 14 Feb 2025
Information about planning for increased electricity capacity in the western Bay of Plenty
Upper South Island upgrade project
Last updated: 07 Mar 2025
Transpower is investigating possible electricity infrastructure investments for the upper South Island, to ensure a reliable power supply for the future as the region grows and more homes and businesses switch their energy use to electricity.
Resilience, reliability and an Energy Bridge for Te Tai Tokerau Northland
Last updated: 11 Feb 2025
Transpower, Northpower and Top Energy are working together with the people of Northland to plan electricity infrastructure that ensures a resilient, reliable network and helps Northland take advantage of new renewable generation possibilities.