Load by operational zone

The New Zealand power system is split into 14 operational zones. The graphic on this page displays loads in each operational zone, as taken from the System Operator's SCADA system. Combined, these values represent total power demand across the country.

SCADA is the System Operator's primary tool for controlling the transmission network and is the source of critical information for the electricity market system as well as for local lines companies. 

Updated:
Current Zone Load
as at minutes ago
Location 21:25 05 10 15 20 25 30
GZ1 Northland 527 530 535 530 531 521 521
GZ2 Auckland 847 845 865 844 867 858 851
GZ3 Hamilton 384 387 389 392 392 387 392
GZ4 Edgecumbe 335 337 340 342 337 337 341
GZ5 Hawkes Bay 193 197 197 196 197 195 196
GZ6 Taranaki 142 143 145 145 146 144 145
GZ7 Bunnythorpe 164 166 168 170 170 168 175
GZ8 Wellington 331 336 335 338 339 330 335
GZ9 Nelson 154 155 156 158 158 156 156
GZ10 Christchurch 357 359 361 362 362 356 360
GZ11 Canterbury 196 200 199 199 198 198 198
GZ12 West Coast 43 44 43 44 44 43 46
GZ13 Otago 146 145 146 146 146 143 142
GZ14 Southland 894 897 905 905 902 899 905
Total 4711 4741 4783 4775 4788 4741 4762

 

Availability and use of data

We publish this and other live data on our website on a best-effort basis. We monitor the live data to ensure it is updating between 8am and 5pm on business days. If it is not updating outside of these times, we will be unlikely to resolve it until we open for business the next morning.

This is indicative information only and we take no responsibility for actions taken by any party based on this information.

System Operator