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 10 Aug 2025
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 565.60 | 588.50 | 89.00 Mon 04/08/25 |
| South Island | 355.20 | 331.10 | 49.20 Mon 04/08/25 |
| New Zealand | 920.80 | 919.50 | 138.20 Mon 04/08/25 |
| Net HVDC Transfer | 24.1 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 15324.90 | 15725.00 | 89.40 Tue 22/07/25 |
| South Island | 9825.70 | 9380.20 | 49.20 Mon 04/08/25 |
| New Zealand | 25150.60 | 25105.20 | 138.20 Mon 04/08/25 |
| Net HVDC Transfer | 445.5 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 4876.60 Mon 04/08/25 18:00 | 4890.20 Fri 25/07/25 08:00 |
| South Island | 2608.00 Sun 10/08/25 18:00 | 2608.00 Sun 10/08/25 18:00 |
| New Zealand | 7196.60 Mon 04/08/25 18:00 | 7303.00 Fri 25/07/25 08:00 |