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 1265.7 MW
Zone 3 Load 898.621 MW
Zone 3 Margin 367.079 MW
Zone 3 AUVLS enabled No
Electricity Ashburton 131.093 MW
Marlborough Lines 45.9 MW
Buller Electricity 3.7 MW
Network Tasman 91.73 MW
Alpine Energy Ltd 92.4 MW
Mainpower 96.4 MW
Orion 435.679 MW
Westpower 15.9 MW
Updated:
Top South Island Load Data
GZ 9 Real Time VSAT Limit 283 MW
GZ 9 Load 161.13 MW
GZ 9 Margin 121.87 MW
GZ 9 AUVLS enabled No
Marlborough Lines 45.9 MW
Buller Electricity 3.7 MW
Network Tasman 91.73 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 Summer daily peaks.
Zone 3 Load Date
983.007 12/11/2024 07:45
973.816 14/11/2024 08:15
972.735 13/11/2024 08:15
951.21 21/10/2024 08:05
949.4 22/10/2024 08:05
948.4 07/11/2024 09:10
943.162 19/11/2024 07:55
942.56 11/11/2024 07:55
935.12 23/10/2024 07:50
929.05 08/11/2024 08:10
GZ9 Load Date
200.35 30/10/2024 08:10
195.62 21/10/2024 08:05
190.77 14/11/2024 08:05
185.92 29/10/2024 08:45
185.9 06/11/2024 08:20
185.54 22/10/2024 08:10
184.6 18/11/2024 08:00
183.52 23/10/2024 08:20
182.91 19/11/2024 08:00
181.61 31/10/2024 07:45