Projects
North Island Grid Upgrade
This project is one of the largest transmission projects to be undertaken in New Zealand since 1960, and is vitally important to meet the growing electricity demand in the upper North Island.
(Categories: Backbone, Committed)
Upper North Island Reactive Support Investigation
Transpower is undertaking a programme of work that includes installing more dynamic voltage support equipment (like static compensators) and undertaking demand-side initiatives in the upper North Island.
(Categories: Backbone, Committed)
Drury New 220 kV Switching Station
As part of the North Island Grid Upgrade project, Transpower has identified a need to construct a switching station at Drury to bus the Huntly-Otahuhu A line by 2010.(Categories: Auckland, Completed)
Otahuhu-Whakamaru C Line upgrade
As part of the North Island Grid Upgrade project, Transpower has identified a need to upgrade the Otahuhu-Whakamaru C line by 2010.(Categories: Backbone, Committed)
Otahuhu 200 Mvar Capacitors
As part of the North Island Grid Upgrade project, Transpower has identified a need to install 200 Mvar of Capacitors at Otahuhu.
(Categories: Backbone, Committed)
Otahuhu Substation Diversity
Transpower has recognised an issue with the reliability of transmission through the existing 220 kV Otahuhu substation.(Categories: Auckland, Committed)
Pakuranga to Penrose Cables
Transpower plans to reinforce Penrose to 220 kV from Pakuranga, to augment the existing transmission between the Otahuhu and Penrose substations.(Categories: Backbone, Committed)
North Auckland and Northland Grid Upgrade Project (NAAN project)
Transpower has identified the need to increase capacity in its transmission network through Auckland and into North Auckland and Northland.
(Categories: Backbone, Committed)
Penrose to Albany Cross Harbour Cables
As part of its wider project to increase capacity in its transmission network through Auckland and into North Auckland and Northland, Transpower is planning an underground cable route reinforcing Albany substation from Penrose.
(Categories: Backbone, Committed)
Penrose New Interconnecting Transformer
As part of the North Auckland and Northland (NAAN) Grid Upgrade, Transpower is installing a new 250 MVA interconnecting transformer at the Penrose substation. The new transformer is required to meet load increases at Penrose following changes needed for other components of the NAAN project.(Categories: Backbone, Completed)