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 1515.298 MW
Northpower 106.6 MW
Top Energy 28.53 MW
Vector 1174.698 MW
Counties Power 88.9 MW
NZ Steel 85.5 MW
Updated:
Top North Island Load Data
GZ 1 Load 587.5 MW
Northpower 106.6 MW
Top Energy 28.53 MW
Vector Northern 421.2 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
1603.918 11/02/2025 16:55
1603.098 30/10/2024 08:10
1590 05/11/2024 07:50
1582.598 10/02/2025 17:35
1573.678 16/12/2024 11:50
1571.448 03/02/2025 17:40
1570.55 04/11/2024 08:10
1568.368 21/10/2024 07:55
1566.078 15/11/2024 12:35
1560.008 29/10/2024 07:55
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
601.52 22/10/2024 07:45
599.61 29/10/2024 19:10
598.11 10/02/2025 17:55
596.99 31/10/2024 07:55