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 01 Feb 2026
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 388.50 | 448.70 | 69.90 Thu 29/01/26 |
| South Island | 348.30 | 285.70 | 47.50 Sun 01/02/26 |
| New Zealand | 736.70 | 734.30 | 110.50 Thu 29/01/26 |
| Net HVDC Transfer | 62.6 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 1786.90 | 2049.50 | 71.50 Thu 15/01/26 |
| South Island | 1577.60 | 1304.60 | 47.50 Sun 01/02/26 |
| New Zealand | 3364.50 | 3354.10 | 114.80 Thu 15/01/26 |
| Net HVDC Transfer | 273 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 3409.90 Thu 29/01/26 17:30 | 3497.10 Wed 21/01/26 17:30 |
| South Island | 2464.40 Sun 01/02/26 21:00 | 2464.40 Sun 01/02/26 21:00 |
| New Zealand | 5194.60 Thu 29/01/26 17:30 | 5434.20 Thu 15/01/26 17:30 |