Upcoming Planned Outages
Last updated: 20 Feb 2025
Sometimes Transpower needs to turn the power off to work on its equipment. Upcoming outages are listed here.
Projects
Renewable Energy Zones
Last updated: 18 Feb 2025
Transpower is considering the concept of Renewable Energy Zones (REZs) and a potential pilot project in Northland.
Cable joint repair project - Auckland
Last updated: 18 Feb 2025
Transpower is replacing joints on an underground electricity cable in Auckland between our Brownhill and Pakūranga substations.
Western Bay of Plenty Development Plan
Last updated: 14 Feb 2025
Information about planning for increased electricity capacity in the western Bay of Plenty
Port Taranaki Line Reconfiguration and Line Removal
Last updated: 14 Feb 2025
A reconfiguration of our network supplying New Plymouth and surrounding area has given us an opportunity to remove some transmission line sections.
Newlands and Woodridge Towers to Poles
Last updated: 13 Feb 2025
Transpower plans to replace the transmission towers in and around Newlands and Woodridge in Wellington with modern steel poles, with work happening during 2024 and 2025.
Upper South Island upgrade project
Last updated: 12 Feb 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.
Redclyffe substation rebuild
Last updated: 11 Feb 2025
Transpower is working to improve the resilience of the Hawke’s Bay’s electricity supply by strengthening our Redclyffe substation. The substation was severely damaged during Cyclone Gabrielle in 2023.
Helicopter Works 2025
Last updated: 11 Feb 2025
Transpower regularly flies its transmission lines to survey for slips and/or assess conductor (wire) condition.