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 Mar 2026
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 440.60 | 460.30 | 69.70 Thu 26/02/26 |
| South Island | 319.90 | 299.00 | 44.70 Thu 26/02/26 |
| New Zealand | 760.40 | 759.30 | 114.40 Thu 26/02/26 |
| Net HVDC Transfer | 20.9 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 3488.50 | 3919.30 | 73.10 Mon 02/02/26 |
| South Island | 2907.30 | 2458.00 | 44.70 Thu 26/02/26 |
| New Zealand | 6395.80 | 6377.40 | 115.20 Fri 13/02/26 |
| Net HVDC Transfer | 449.3 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 3401.40 Thu 26/02/26 17:30 | 3754.20 Mon 02/02/26 17:30 |
| South Island | 2106.80 Tue 24/02/26 21:00 | 2106.80 Tue 24/02/26 21:00 |
| New Zealand | 5399.80 Thu 26/02/26 17:30 | 5659.30 Mon 02/02/26 17:30 |