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 11:50 05 10 15 20 25 30
GZ1 Northland 482 482 483 483 485 483 485
GZ2 Auckland 779 776 777 782 778 784 789
GZ3 Hamilton 381 382 389 384 383 385 388
GZ4 Edgecumbe 293 291 293 288 287 292 287
GZ5 Hawkes Bay 166 161 163 166 165 166 167
GZ6 Taranaki 144 145 144 144 144 146 146
GZ7 Bunnythorpe 163 164 166 165 165 165 166
GZ8 Wellington 319 317 316 318 317 318 319
GZ9 Nelson 114 117 117 119 117 120 120
GZ10 Christchurch 328 332 334 337 337 339 339
GZ11 Canterbury 175 174 176 175 175 176 177
GZ12 West Coast 43 45 45 45 44 44 44
GZ13 Otago 120 120 121 121 124 123 123
GZ14 Southland 891 888 894 890 891 893 896
Total 4399 4389 4415 4412 4412 4429 4449

 

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