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Welcome To Grid New Zealand

This website gives you information on Transpower's existing and future investment in the National Grid - New Zealand's high voltage transmission network.  Browse and bookmark our website to stay informed about our work to keep the energy flowing throughout New Zealand.

What's New

07 May 2012: Power outage in Hinuera and Surrounding Districts - Sunday 20 May

To protect security of supply to the area during stringing of the new transmission line a power outage will be required in Tirau and Putaruru Sunday 20 May 2012, 9am – 4pm.

08 May 2012: STAR Award nominations close 8 June - get yours in now!

Help recognise the importance of safety and promote a positive safety and health culture in our industry. Visit the Transpower website to find out more.

10 May 2012: Mangamaire Bus Split Opening

We propose to open the bus split at Mangamaire as an interim measure, read here for further details.

Major Projects

North Island Grid Upgrade

Building a new power link between Whakamaru and Auckland.

North Auckland and Northland Grid Upgrade Project

Reinforcing the network with a new 220kV cable link and two new substations.

HVDC Inter-Island Link Project

Replacing Pole 1 of the inter-island HVDC link with a new pole.

Wairakei to Whakamaru Replacement Transmission Line Project

Building a new double circuit transmission line between Wairakei and Whakamaru.

Safty

We put safety first at Transpower, and we are committed to keeping both the public and our employees safe

Find out more »

Current Grid New Zealand Projects

New Zealand Project Map
Northland Auckland Waikato Bay of Plenty Taranaki Central North Island Hawkes Bay Wellington Nelson - Marlborough Canterbury South Canterbury West Coast Otago - Southland
New Zealand Project Map New Zealand Project Map
Northland Auckland Waikato Bay of Plenty Taranaki Central North Island Hawkes Bay Wellington Nelson - Marlborough Canterbury South Canterbury West Coast Otago - Southland

Roll over a region of New Zealand, then select a project from the list.

Project Type (about...)

  • Region Project Icon Regional Project
  • Region Project Icon Backbone Project