Projects

Information about planning for increased electricity capacity in the Western Bay of Plenty

We are investigating potential electricity infrastructure upgrades in the Tararua and Wairarapa region, to resolve transmission constraints and enable connection of significant new renewable generation.

Transpower is renewing the ageing electricity cables that cross Cook Strait at the end of the decade and will also increase the capacity of the HVDC link at the same time.

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.

We have identified that two of the southern sections of conductor (wire) on the Huntly–Ōtāhuhu A line need replacing.

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

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.

We're making investments to manage voltage stability in the Waikato and upper North Island regions.

We have identified that 31km of conductor (wire) on the Flatbush to Hūnua section of the Ōtāhuhu–Whakamaru transmission lines in Auckland needs replacing.

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.