Transpower consults on $1.4b HVDC link upgrade

Grid operator recommends increasing capacity on the crucial inter-island connection, due for replacement in 2031.

The HVDC termination station at Oteranga Bay on the southwest coast of the North Island.

NBR Staff Wed, 07 May 2025

Grid operator Transpower is moving to the next phase of its upgrade plans for the HVDC link between the North and South Islands with a consultation paper on investment of up to $1.4 billion in the project.

The state-owned enterprise says the three existing cables and control system are due for

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