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 05 Oct 2025
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 468.00 | 490.70 | 76.20 Thu 02/10/25 |
| South Island | 348.20 | 324.30 | 48.60 Thu 02/10/25 |
| New Zealand | 816.20 | 815.00 | 124.70 Thu 02/10/25 |
| Net HVDC Transfer | 23.9 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 19450.40 | 19995.80 | 89.70 Wed 20/08/25 |
| South Island | 12540.70 | 11939.40 | 49.80 Tue 19/08/25 |
| New Zealand | 31991.10 | 31935.20 | 138.40 Wed 20/08/25 |
| Net HVDC Transfer | 601.3 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 3764.10 Thu 02/10/25 08:00 | 4890.20 Tue 19/08/25 18:00 |
| South Island | 2453.40 Sun 05/10/25 20:00 | 2453.40 Sun 05/10/25 20:00 |
| New Zealand | 6174.30 Thu 02/10/25 08:00 | 7303.00 Fri 25/07/25 08:00 |