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 26 Oct 2025
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 422.20 | 467.00 | 71.40 Thu 23/10/25 |
| South Island | 358.10 | 311.70 | 46.80 Mon 20/10/25 |
| New Zealand | 780.30 | 778.70 | 116.30 Tue 21/10/25 |
| Net HVDC Transfer | 46.4 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 20778.60 | 21443.40 | 89.70 Wed 20/08/25 |
| South Island | 13580.40 | 12855.40 | 49.80 Tue 19/08/25 |
| New Zealand | 34359.00 | 34298.80 | 138.40 Wed 20/08/25 |
| Net HVDC Transfer | 725 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 3493.00 Thu 23/10/25 09:00 | 4890.20 Tue 19/08/25 18:00 |
| South Island | 2242.80 Wed 22/10/25 07:30 | 2438.00 Wed 13/08/25 07:30 |
| New Zealand | 5702.40 Mon 20/10/25 08:00 | 7303.00 Fri 25/07/25 08:00 |