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 29 Jun 2025
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 519.40 | 535.90 | 82.40 Wed 25/06/25 |
| South Island | 321.90 | 304.20 | 46.90 Tue 24/06/25 |
| New Zealand | 841.30 | 840.20 | 128.20 Tue 24/06/25 |
| Net HVDC Transfer | 17.7 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 12088.30 | 12317.40 | 85.60 Wed 18/06/25 |
| South Island | 7727.10 | 7462.50 | 48.40 Tue 10/06/25 |
| New Zealand | 19815.40 | 19780.00 | 133.50 Wed 18/06/25 |
| Net HVDC Transfer | 264.6 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 4381.40 Wed 25/06/25 18:00 | 4622.40 Wed 18/06/25 08:00 |
| South Island | 2592.80 Sun 29/06/25 18:00 | 2592.80 Sun 29/06/25 18:00 |
| New Zealand | 6597.80 Wed 25/06/25 08:00 | 6981.10 Wed 18/06/25 08:00 |