Upper North Island loads

Power system loads in the North Island north of Huntly (Zone 1) are displayed on this page to give power companies loading information across the zone.

This information is updated every five minutes. Due to the location of recording equipment at some sites, the load split between retailers for these zones is indicative only.

The historical Zone Load Peaks are winter and summer seasonal values and are reset at the change of seasons on 20 October and 10 May.

Updated:
Upper North Island Load Data
Zone 1 Load 1473.825 MW
Northpower 98.097 MW
Top Energy 30.5 MW
Vector 1163.198 MW
Counties Power 79.7 MW
NZ Steel 70.5 MW
Updated:
Top North Island Load Data
GZ 1 Load 561.527 MW
Northpower 98.097 MW
Top Energy 30.5 MW
Vector Northern 401.1 MW

Latest Zone Load Graphs

Zone 1 Load (Upper North Island)

Updated:

GZ 1 Load (Northland)

Updated:

Historical Zone Load Peaks

Top 10 now reflects Summer daily peaks.
Zone 1 Load Date
1610.475 18/02/2025 15:55
1603.918 11/02/2025 16:55
1603.098 30/10/2024 08:10
1597.449 17/02/2025 14:30
1590 05/11/2024 07:50
1582.598 10/02/2025 17:35
1582.547 03/03/2025 17:55
1579.817 20/02/2025 11:20
1573.678 16/12/2024 11:50
1571.448 03/02/2025 17:40
GZ1 Load Date
616.7 05/11/2024 07:45
613.68 30/10/2024 07:55
612.55 11/02/2025 17:50
612.32 21/10/2024 08:05
612.05 04/11/2024 08:10
609.15 24/10/2024 08:10
608.661 19/02/2025 17:50
608.077 17/02/2025 17:30
603.666 19/03/2025 18:10
603.409 18/02/2025 17:50