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 | 1171 MW |
| Zone 3 Load | 865.46 MW |
| Zone 3 Margin | 305.54 MW |
| Zone 3 AUVLS enabled | No |
| Electricity Ashburton | 47.8 MW |
| Marlborough Lines | 52.5 MW |
| Buller Electricity | 6.8 MW |
| Network Tasman | 120 MW |
| Alpine Energy Ltd | 74.5 MW |
| Mainpower | 86.5 MW |
| Orion | 461.879 MW |
| Westpower | 18.56 MW |
Updated:
| Top South Island Load Data | |
|---|---|
| GZ 9 Real Time VSAT Limit | 356.8 MW |
| GZ 9 Load | 193.8 MW |
| GZ 9 Margin | 163 MW |
| GZ 9 AUVLS enabled | No |
| Marlborough Lines | 52.5 MW |
| Buller Electricity | 6.8 MW |
| Network Tasman | 120 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 |
|---|---|
| 1151.18 | 05/07/2024 10:50 |
| 1130.48 | 12/06/2024 10:00 |
| 1124.62 | 04/07/2024 07:15 |
| 1122.6 | 10/07/2024 10:20 |
| 1119.71 | 11/07/2024 09:05 |
| 1118.81 | 24/07/2024 07:25 |
| 1118.24 | 03/07/2024 08:10 |
| 1117.57 | 08/07/2024 09:50 |
| 1117.44 | 29/05/2024 09:36 |
| 1115.86 | 10/05/2024 10:00 |
| GZ9 Load | Date |
|---|---|
| 252.2 | 11/07/2024 09:50 |
| 251.64 | 12/07/2024 08:20 |
| 247.74 | 03/07/2024 08:45 |
| 247.51 | 24/07/2024 09:25 |
| 244.73 | 10/05/2024 10:00 |
| 244.27 | 04/07/2024 10:00 |
| 244.24 | 05/07/2024 09:55 |
| 242.39 | 26/07/2024 08:25 |
| 242.2 | 05/06/2024 09:55 |
| 241.9 | 30/05/2024 11:15 |