Projects

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.

Upcoming Planned Outages

Last updated: 28 Jan 2025

Sometimes Transpower needs to turn the power off to work on its equipment. Upcoming outages are listed here.

Enabling Huapai

Last updated: 16 Jan 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.