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 12:15 05 10 15 20 25 30
GZ1 Northland 426 425 426 430 432 434 431
GZ2 Auckland 649 652 651 651 653 647 649
GZ3 Hamilton 357 358 358 358 360 364 363
GZ4 Edgecumbe 248 249 248 248 248 250 251
GZ5 Hawkes Bay 154 156 158 158 155 155 159
GZ6 Taranaki 119 119 119 119 119 120 121
GZ7 Bunnythorpe 140 138 140 139 139 140 141
GZ8 Wellington 258 257 258 259 258 257 258
GZ9 Nelson 103 104 108 108 108 109 109
GZ10 Christchurch 286 285 284 283 282 281 281
GZ11 Canterbury 169 170 172 172 173 174 173
GZ12 West Coast 43 43 42 43 43 43 43
GZ13 Otago 113 114 114 111 111 111 112
GZ14 Southland 823 821 823 830 831 828 830
Total 3885 3892 3902 3906 3910 3912 3918

 

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