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 11:25 05 10 15 20 25 30
GZ1 Northland 531 532 533 531 533 541 532
GZ2 Auckland 779 783 802 783 782 793 780
GZ3 Hamilton 392 397 395 399 394 399 403
GZ4 Edgecumbe 269 274 276 274 271 271 271
GZ5 Hawkes Bay 149 143 144 144 143 144 146
GZ6 Taranaki 139 139 138 139 140 139 140
GZ7 Bunnythorpe 157 158 157 157 158 157 157
GZ8 Wellington 321 324 329 327 327 327 328
GZ9 Nelson 98 101 98 95 97 95 98
GZ10 Christchurch 332 334 339 343 344 345 348
GZ11 Canterbury 187 185 185 185 183 185 186
GZ12 West Coast 42 41 42 41 41 40 40
GZ13 Otago 109 111 109 112 112 113 111
GZ14 Southland 860 859 861 866 865 862 862
Total 4365 4383 4411 4393 4390 4413 4398

 

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