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.

The graph of the previous week’s USI load, VSAT load limit and USI Generation, has been removed. If this information is still required please contact system.operator@transpower.co.nz

Updated:
Upper South Island Load Data
Zone 3 Real Time VSAT Limit980.6 MW
Zone 3 Load548.971 MW
Zone 3 Margin431.629 MW
Zone 3 AUVLS enabledNo
Electricity Ashburton42.8 MW
Marlborough Lines34 MW
Buller Electricity5.3 MW
Network Tasman66.7 MW
Alpine Energy Ltd65.25 MW
Mainpower55.8 MW
Orion276.25 MW
Westpower8.87 MW
Updated:
Top South Island Load Data
GZ 9 Real Time VSAT Limit264.6 MW
GZ 9 Load117.2 MW
GZ 9 Margin147.4 MW
GZ 9 AUVLS enabledNo
Marlborough Lines34 MW
Buller Electricity5.3 MW
Network Tasman66.7 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 Summer daily peaks.
Zone 3 LoadDate
996.13117/12/2020 08:40
994.76118/12/2020 08:35
991.05123/02/2021 17:50
1099.29127/01/2021 15:55
1045.81126/01/2021 17:30
1039.38104/05/2021 07:40
1037.04103/05/2021 07:50
1033.80128/04/2021 08:15
1024.65129/04/2021 08:10
1018.58124/02/2021 16:25
GZ9 LoadDate
224.7404/05/2021 08:10
222.3329/04/2021 08:00
221.4203/05/2021 18:05
219.9327/04/2021 18:20
219.7605/05/2021 08:05
218.9220/04/2021 17:55
218.2506/05/2021 08:05
218.0524/03/2021 08:05
218.0325/03/2021 08:15
217.4630/04/2021 08:45