Transpower New Zealand
UtilitiesWellington, New Zealand1001-5000 Employees
Transpower New Zealand is the national electricity transmission utility responsible for operating and maintaining New Zealand's high-voltage grid to move power from generation to the wider electricity system. Headquartered in Wellington, the organization is a major employer in the utilities sector and coordinates long-term investments to support a reliable energy supply across the country. Its stated focus is on supporting the future needs of New Zealand’s energy system through grid planning and development. In recent years, Transpower has pursued large-scale infrastructure initiatives within New Zealand, including the Ōhangai substation development in South Taranaki and regional projects such as those planned for the Western Bay of Plenty. It also pursues long-term grid investment planning, exemplified by the Te Kanapu framework launched in May 2025, and engages in partnerships to refresh network capabilities. A notable recent development involved the delivery of a 140-tonne transformer for a new substation, illustrating ongoing asset expansion in the system.