Projects

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.

Transpower is replacing joints on an underground electricity cable in Auckland between our Brownhill and Pakūranga substations.

Transpower plans to replace the ageing electricity cables that cross Cook Strait at the end of the decade and is considering whether to also increase the capacity of the cables at the same time.

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.

Transpower regularly flies its transmission lines to survey for slips and/or assess conductor (wire) condition.

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

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.

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.