Load Graphs

Power system data is made available for each of our operational zones. Basic information such as MW, Mvar and the calculated power factor can be viewed by zone in the Zone Loads or Download Data tab.

Availability and use of data

Transpower as System Operator publishes this and other live data on the website on a best endeavours basis. If the live data is not updating we will resolve the issue during the hours 0800-1700 on business days. This is indicative information based on the status of the New Zealand power system. Transpower takes no responsibility for the actions taken by any party based on this information.

Using the graphs below

The graphs below are interactive.

  • By clicking on the items in the legend you can choose whether to hide or display a data set.
  • By selecting a time range on the graph, you are able to zoom in. The default setting of the graphs is to display 24 hours of data.

Zone loading (Updated )

northland auckland hamilton edgecumbe hawkes-bay taranaki bunnythorpe wellington nelson christchurch west-coast cantebury otago southland

Load Data Totals

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Northland (GZ1)

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Auckland (GZ2)

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Hamilton (GZ3)

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Edgecumbe (GZ4)

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Hawkes Bay (GZ5)

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Taranaki (GZ6)

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Bunnythorpe (GZ7)

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Wellington (GZ8)

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Nelson (GZ9)

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Christchurch (GZ10)

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Canterbury (GZ11)

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West Coast (GZ12)

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Otago (GZ13)

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Southland (GZ14)

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1. Select Regions
2. Select time scale
3. Select data interval