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 18 May 2025
Energy Totals GWh Previous Week
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 484.00 | 501.50 | 75.60 Tue 13/05/25 |
| South Island | 305.60 | 286.90 | 43.10 Wed 14/05/25 |
| New Zealand | 789.60 | 788.40 | 118.00 Tue 13/05/25 |
| Net HVDC Transfer | 18.7 North |
Energy Totals GWh Year to Date
| Generation GWh |
Supply GWh |
Max Daily Energy GWh |
|
|---|---|---|---|
| North Island | 9004.20 | 9147.80 | 77.20 Tue 06/05/25 |
| South Island | 5785.00 | 5614.20 | 47.20 Thu 01/05/25 |
| New Zealand | 14789.20 | 14762.00 | 121.00 Thu 01/05/25 |
| Net HVDC Transfer | 170.8 North |
Peak Half Hour Supply (Average MW)
| Previous Week MW |
Year to Date MW |
|
|---|---|---|
| North Island | 4020.60 Tue 13/05/25 18:00 | 4127.60 Tue 06/05/25 07:30 |
| South Island | 2195.30 Thu 15/05/25 07:30 | 2274.20 Mon 05/05/25 08:00 |
| New Zealand | 6050.60 Tue 13/05/25 18:00 | 6309.60 Tue 06/05/25 07:30 |