This is a summary of energy for the previous week, ending Sunday at midnight.
The data is uploaded every Monday at 9.15am.
Week Ending Sunday 02 Nov 2025
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 412.90 | 460.20 | 72.00 Wed 29/10/25 |
| South Island | 363.60 | 314.60 | 48.40 Sun 02/11/25 |
| New Zealand | 776.50 | 774.80 | 117.90 Tue 28/10/25 |
| Net HVDC Transfer | 49 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 21191.50 | 21905.90 | 89.70 Wed 20/08/25 |
| South Island | 13944.00 | 13167.60 | 49.80 Tue 19/08/25 |
| New Zealand | 35135.50 | 35073.50 | 138.40 Wed 20/08/25 |
| Net HVDC Transfer | 776.4 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 3697.80 Wed 29/10/25 08:00 | 4890.20 Tue 19/08/25 18:00 |
| South Island | 2331.10 Tue 28/10/25 08:00 | 2438.00 Wed 13/08/25 07:30 |
| New Zealand | 5991.40 Wed 29/10/25 07:30 | 7303.00 Fri 25/07/25 08:00 |