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 20:55 05 10 15 20 25 30
GZ1 Northland 544 541 543 543 543 543 546
GZ2 Auckland 903 899 892 899 894 884 889
GZ3 Hamilton 426 431 430 429 431 433 433
GZ4 Edgecumbe 308 311 316 316 317 317 321
GZ5 Hawkes Bay 195 199 196 196 200 196 193
GZ6 Taranaki 144 144 145 144 145 145 145
GZ7 Bunnythorpe 168 168 168 169 169 170 170
GZ8 Wellington 314 314 313 314 314 314 318
GZ9 Nelson 151 151 146 149 151 148 149
GZ10 Christchurch 335 336 337 340 341 342 342
GZ11 Canterbury 222 224 224 225 226 226 227
GZ12 West Coast 45 45 45 45 45 45 45
GZ13 Otago 159 158 159 159 158 159 159
GZ14 Southland 856 856 857 858 862 861 863
Total 4770 4781 4770 4788 4792 4783 4800

 

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