Project Progress
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OVERVIEW

Securing power for Palmerston North

The Palmerston North CBD is the second-largest central business district we serve, and our largest exclusively underground network. We’ve been working on five projects for the Palmerston North community to expand, renew and rebalance our assets and ensure our customers have continued security of power supply.

Those projects are:

  • Construction of a new substation on the corner of Linton and Ferguson Sts
  • Installation of a second transformer at the new substation
  • Construction of a new indoor 33kV switchroom at our Linton substation
  • Construction of two new underground circuits from Linton substation to the new Ferguson St substation
  • Installation of larger capacity cables between Pascal, Ferguson, Main and Keith Streets

To-date the success of these projects has been achieved through positive collaboration with stakeholders including the Palmerston North City Council (PNCC), the Crown, Iwi and the Ministry of Education. For instance, construction of a temporary overhead line to provide security of supply while end-of-life cables between Keith and Main street were removed from service was permitted following consultation with the PNCC.

The challenge
To future-proof the growing energy demands of Palmerston North, ensuring continued security of power supply.

The solution
A $26.5m investment across five complementary projects to introduce new assets to the network, and re-purpose existing assets.

These projects deliver larger capacity cables, the ability to transfer loads between substations and a new city link to the Grid Exit Point at Linton, providing an alternative to Bunnythorpe when required.

The benefit
Assets that integrate with the urban environment. We built the first of our new style fully-enclosed substations in our Western region. We worked with the Palmerston North City Council to create a design in line with urban planning requirements.

Proactive planning in partnership with the Council and other stakeholders. We installed four ducts under the He Ara Kotahi pedestrian bridge while it was being constructed in anticipation of our Linton to Ferguson St underground circuits project.

Milestones

Complete construction of new circuit from Linton to Ferguson St substations

Complete new indoor 33kV switchroom at Linton substation

Commission second transformer at the new Ferguson St substation

New Ferguson St substation commissioned

Installation of larger capacity cables between Pascal, Ferguson, Main and Keith Streets

September 2022
March 2022
June 2021
June 2019
2018 - 2020

UPDATES

Find out the latest updates about this project

FAQ

We strive to minimise impact in the design and placement of network infrastructure and we’re still planning and consulting on the route for the new circuit. The circuit will be a mix of overhead lines – which you will see, and underground cable – which you won’t see. You’ll also see a new building at our Putaruru substation, replacing the ageing existing building there.

We can never guarantee supply 100% of the time, however, the number and length of outages you experience will be reduced.  

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Downloads

2020

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