Upper South Island loads

Power system loads in the South Island north of Waitaki Valley (Zone 3) 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 South Island Load Data
Zone 3 Real Time VSAT Limit 936 MW
Zone 3 Load 811.08 MW
Zone 3 Margin 124.92 MW
Zone 3 AUVLS enabled No
Electricity Ashburton 40.3 MW
Marlborough Lines 43.8 MW
Buller Electricity 5.6 MW
Network Tasman 91.7 MW
Alpine Energy Ltd 67.6 MW
Mainpower 69.5 MW
Orion 481.634 MW
Westpower 16.58 MW
Updated:
Top South Island Load Data
GZ 9 Real Time VSAT Limit 327.7 MW
GZ 9 Load 151.6 MW
GZ 9 Margin 176.1 MW
GZ 9 AUVLS enabled No
Marlborough Lines 43.8 MW
Buller Electricity 5.6 MW
Network Tasman 91.7 MW

Latest Zone Load Graphs

Zone 3 Load (Upper South Island)

Updated:

GZ 9 Load (Nelson)

Updated:

Historical Zone Load Peaks

Top 10 now reflects Winter daily peaks.
Zone 3 Load Date
1115.86 10/05/2024 10:00
1111.71 14/05/2024 07:50
1108.61 20/05/2024 18:25
1104.83 24/05/2024 07:35
1091.59 13/05/2024 07:50
1090.49 23/05/2024 07:55
1088.52 17/05/2024 08:05
1082.79 22/05/2024 17:40
1079.97 21/05/2024 08:10
1078.83 16/05/2024 07:40
GZ9 Load Date
244.73 10/05/2024 10:00
240.62 13/05/2024 17:50
235.7 20/05/2024 08:10
235.63 14/05/2024 17:55
232.6 21/05/2024 17:50
231.51 24/05/2024 09:50
226.2 15/05/2024 09:25
223.2 22/05/2024 08:05
221.81 23/05/2024 18:10
217 11/05/2024 08:30